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<div class="subTitle">org.opencv.ml</div>
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<h2 title="Class TrainData" class="title">Class TrainData</h2>
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<pre>public class <span class="typeNameLabel">TrainData</span>
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extends java.lang.Object</pre>
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<div class="block">Class encapsulating training data.
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Please note that the class only specifies the interface of training data, but not implementation.
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All the statistical model classes in _ml_ module accepts Ptr<TrainData> as parameter. In other
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words, you can create your own class derived from TrainData and pass smart pointer to the instance
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of this class into StatModel::train.
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SEE: REF: ml_intro_data</div>
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<h3>Method Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long addr)</code> </td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#create-org.opencv.core.Mat-int-org.opencv.core.Mat-">create</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
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int layout,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses)</code>
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<div class="block">Creates training data from in-memory arrays.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-">create</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
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int layout,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx)</code>
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<div class="block">Creates training data from in-memory arrays.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">create</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
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int layout,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx)</code>
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<div class="block">Creates training data from in-memory arrays.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
|
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">create</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
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int layout,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleWeights)</code>
|
||
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<div class="block">Creates training data from in-memory arrays.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a></code></td>
|
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">create</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
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int layout,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleWeights,
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varType)</code>
|
||
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<div class="block">Creates training data from in-memory arrays.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getCatCount-int-">getCatCount</a></span>(int vi)</code> </td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getCatMap--">getCatMap</a></span>()</code> </td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getCatOfs--">getCatOfs</a></span>()</code> </td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getClassLabels--">getClassLabels</a></span>()</code>
|
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<div class="block">Returns the vector of class labels
|
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The function returns vector of unique labels occurred in the responses.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getDefaultSubstValues--">getDefaultSubstValues</a></span>()</code> </td>
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</tr>
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<tr id="i11" class="rowColor">
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<td class="colFirst"><code>int</code></td>
|
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getLayout--">getLayout</a></span>()</code> </td>
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</tr>
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<tr id="i12" class="altColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getMissing--">getMissing</a></span>()</code> </td>
|
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</tr>
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<tr id="i13" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNAllVars--">getNAllVars</a></span>()</code> </td>
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</tr>
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<tr id="i14" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNames-java.util.List-">getNames</a></span>(java.util.List<java.lang.String> names)</code>
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<div class="block">Returns vector of symbolic names captured in loadFromCSV()</div>
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</td>
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</tr>
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<tr id="i15" class="rowColor">
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<td class="colFirst"><code>long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNativeObjAddr--">getNativeObjAddr</a></span>()</code> </td>
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</tr>
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<tr id="i16" class="altColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
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|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNormCatResponses--">getNormCatResponses</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i17" class="rowColor">
|
||
|
|
<td class="colFirst"><code>int</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNSamples--">getNSamples</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i18" class="altColor">
|
||
|
|
<td class="colFirst"><code>int</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNTestSamples--">getNTestSamples</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i19" class="rowColor">
|
||
|
|
<td class="colFirst"><code>int</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNTrainSamples--">getNTrainSamples</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i20" class="altColor">
|
||
|
|
<td class="colFirst"><code>int</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getNVars--">getNVars</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i21" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getResponses--">getResponses</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i22" class="altColor">
|
||
|
|
<td class="colFirst"><code>int</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getResponseType--">getResponseType</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i23" class="rowColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getSample-org.opencv.core.Mat-int-float-">getSample</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
|
|
int sidx,
|
||
|
|
float buf)</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i24" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getSamples--">getSamples</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i25" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getSampleWeights--">getSampleWeights</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i26" class="altColor">
|
||
|
|
<td class="colFirst"><code>static <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getSubMatrix-org.opencv.core.Mat-org.opencv.core.Mat-int-">getSubMatrix</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> matrix,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> idx,
|
||
|
|
int layout)</code>
|
||
|
|
<div class="block">Extract from matrix rows/cols specified by passed indexes.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i27" class="rowColor">
|
||
|
|
<td class="colFirst"><code>static <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getSubVector-org.opencv.core.Mat-org.opencv.core.Mat-">getSubVector</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> vec,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> idx)</code>
|
||
|
|
<div class="block">Extract from 1D vector elements specified by passed indexes.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i28" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTestNormCatResponses--">getTestNormCatResponses</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i29" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTestResponses--">getTestResponses</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i30" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTestSampleIdx--">getTestSampleIdx</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i31" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTestSamples--">getTestSamples</a></span>()</code>
|
||
|
|
<div class="block">Returns matrix of test samples</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i32" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTestSampleWeights--">getTestSampleWeights</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i33" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainNormCatResponses--">getTrainNormCatResponses</a></span>()</code>
|
||
|
|
<div class="block">Returns the vector of normalized categorical responses
|
||
|
|
|
||
|
|
The function returns vector of responses.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i34" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainResponses--">getTrainResponses</a></span>()</code>
|
||
|
|
<div class="block">Returns the vector of responses
|
||
|
|
|
||
|
|
The function returns ordered or the original categorical responses.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i35" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSampleIdx--">getTrainSampleIdx</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i36" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSamples--">getTrainSamples</a></span>()</code>
|
||
|
|
<div class="block">Returns matrix of train samples
|
||
|
|
|
||
|
|
transposed.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i37" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSamples-int-">getTrainSamples</a></span>(int layout)</code>
|
||
|
|
<div class="block">Returns matrix of train samples</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i38" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSamples-int-boolean-">getTrainSamples</a></span>(int layout,
|
||
|
|
boolean compressSamples)</code>
|
||
|
|
<div class="block">Returns matrix of train samples</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i39" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSamples-int-boolean-boolean-">getTrainSamples</a></span>(int layout,
|
||
|
|
boolean compressSamples,
|
||
|
|
boolean compressVars)</code>
|
||
|
|
<div class="block">Returns matrix of train samples</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i40" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getTrainSampleWeights--">getTrainSampleWeights</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i41" class="rowColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getValues-int-org.opencv.core.Mat-float-">getValues</a></span>(int vi,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sidx,
|
||
|
|
float values)</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i42" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getVarIdx--">getVarIdx</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i43" class="rowColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getVarSymbolFlags--">getVarSymbolFlags</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i44" class="altColor">
|
||
|
|
<td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#getVarType--">getVarType</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i45" class="rowColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#setTrainTestSplit-int-">setTrainTestSplit</a></span>(int count)</code>
|
||
|
|
<div class="block">Splits the training data into the training and test parts
|
||
|
|
SEE: TrainData::setTrainTestSplitRatio</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i46" class="altColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#setTrainTestSplit-int-boolean-">setTrainTestSplit</a></span>(int count,
|
||
|
|
boolean shuffle)</code>
|
||
|
|
<div class="block">Splits the training data into the training and test parts
|
||
|
|
SEE: TrainData::setTrainTestSplitRatio</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i47" class="rowColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#setTrainTestSplitRatio-double-">setTrainTestSplitRatio</a></span>(double ratio)</code>
|
||
|
|
<div class="block">Splits the training data into the training and test parts
|
||
|
|
|
||
|
|
The function selects a subset of specified relative size and then returns it as the training
|
||
|
|
set.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i48" class="altColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#setTrainTestSplitRatio-double-boolean-">setTrainTestSplitRatio</a></span>(double ratio,
|
||
|
|
boolean shuffle)</code>
|
||
|
|
<div class="block">Splits the training data into the training and test parts
|
||
|
|
|
||
|
|
The function selects a subset of specified relative size and then returns it as the training
|
||
|
|
set.</div>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr id="i49" class="rowColor">
|
||
|
|
<td class="colFirst"><code>void</code></td>
|
||
|
|
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/ml/TrainData.html#shuffleTrainTest--">shuffleTrainTest</a></span>()</code> </td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
<ul class="blockList">
|
||
|
|
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
|
||
|
|
<!-- -->
|
||
|
|
</a>
|
||
|
|
<h3>Methods inherited from class java.lang.Object</h3>
|
||
|
|
<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
|
||
|
|
</ul>
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
<div class="details">
|
||
|
|
<ul class="blockList">
|
||
|
|
<li class="blockList">
|
||
|
|
<!-- ============ METHOD DETAIL ========== -->
|
||
|
|
<ul class="blockList">
|
||
|
|
<li class="blockList"><a name="method.detail">
|
||
|
|
<!-- -->
|
||
|
|
</a>
|
||
|
|
<h3>Method Detail</h3>
|
||
|
|
<a name="Z:Z__fromPtr__-long-">
|
||
|
|
<!-- -->
|
||
|
|
</a>
|
||
|
|
<ul class="blockList">
|
||
|
|
<li class="blockList">
|
||
|
|
<h4>__fromPtr__</h4>
|
||
|
|
<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> __fromPtr__(long addr)</pre>
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
<a name="create-org.opencv.core.Mat-int-org.opencv.core.Mat-">
|
||
|
|
<!-- -->
|
||
|
|
</a>
|
||
|
|
<ul class="blockList">
|
||
|
|
<li class="blockList">
|
||
|
|
<h4>create</h4>
|
||
|
|
<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> create(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
|
||
|
|
int layout,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses)</pre>
|
||
|
|
<div class="block">Creates training data from in-memory arrays.</div>
|
||
|
|
<dl>
|
||
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
|
<dd><code>samples</code> - matrix of samples. It should have CV_32F type.</dd>
|
||
|
|
<dd><code>layout</code> - see ml::SampleTypes.</dd>
|
||
|
|
<dd><code>responses</code> - matrix of responses. If the responses are scalar, they should be stored as a
|
||
|
|
single row or as a single column. The matrix should have type CV_32F or CV_32S (in the
|
||
|
|
former case the responses are considered as ordered by default; in the latter case - as
|
||
|
|
categorical)
|
||
|
|
(CV_32S) containing 0-based variable indices or byte vector (CV_8U) containing a mask of
|
||
|
|
active variables.
|
||
|
|
vector (CV_32S) containing 0-based sample indices or byte vector (CV_8U) containing a mask
|
||
|
|
of training samples.
|
||
|
|
<number_of_variables_in_responses>`, containing types of each input and output variable. See
|
||
|
|
ml::VariableTypes.</dd>
|
||
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
|
<dd>automatically generated</dd>
|
||
|
|
</dl>
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
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<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> create(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
|
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int layout,
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx)</pre>
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|
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>samples</code> - matrix of samples. It should have CV_32F type.</dd>
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<dd><code>layout</code> - see ml::SampleTypes.</dd>
|
||
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<dd><code>responses</code> - matrix of responses. If the responses are scalar, they should be stored as a
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||
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single row or as a single column. The matrix should have type CV_32F or CV_32S (in the
|
||
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former case the responses are considered as ordered by default; in the latter case - as
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categorical)</dd>
|
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<dd><code>varIdx</code> - vector specifying which variables to use for training. It can be an integer vector
|
||
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(CV_32S) containing 0-based variable indices or byte vector (CV_8U) containing a mask of
|
||
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active variables.
|
||
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vector (CV_32S) containing 0-based sample indices or byte vector (CV_8U) containing a mask
|
||
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of training samples.
|
||
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<number_of_variables_in_responses>`, containing types of each input and output variable. See
|
||
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ml::VariableTypes.</dd>
|
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>automatically generated</dd>
|
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|
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<h4>create</h4>
|
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<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> create(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
|
||
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int layout,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx)</pre>
|
||
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<div class="block">Creates training data from in-memory arrays.</div>
|
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<dl>
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
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<dd><code>samples</code> - matrix of samples. It should have CV_32F type.</dd>
|
||
|
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<dd><code>layout</code> - see ml::SampleTypes.</dd>
|
||
|
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<dd><code>responses</code> - matrix of responses. If the responses are scalar, they should be stored as a
|
||
|
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single row or as a single column. The matrix should have type CV_32F or CV_32S (in the
|
||
|
|
former case the responses are considered as ordered by default; in the latter case - as
|
||
|
|
categorical)</dd>
|
||
|
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<dd><code>varIdx</code> - vector specifying which variables to use for training. It can be an integer vector
|
||
|
|
(CV_32S) containing 0-based variable indices or byte vector (CV_8U) containing a mask of
|
||
|
|
active variables.</dd>
|
||
|
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<dd><code>sampleIdx</code> - vector specifying which samples to use for training. It can be an integer
|
||
|
|
vector (CV_32S) containing 0-based sample indices or byte vector (CV_8U) containing a mask
|
||
|
|
of training samples.
|
||
|
|
<number_of_variables_in_responses>`, containing types of each input and output variable. See
|
||
|
|
ml::VariableTypes.</dd>
|
||
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
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<dd>automatically generated</dd>
|
||
|
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|
||
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|
||
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|
||
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<a name="create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">
|
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<h4>create</h4>
|
||
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<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> create(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
|
||
|
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int layout,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleWeights)</pre>
|
||
|
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<div class="block">Creates training data from in-memory arrays.</div>
|
||
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>samples</code> - matrix of samples. It should have CV_32F type.</dd>
|
||
|
|
<dd><code>layout</code> - see ml::SampleTypes.</dd>
|
||
|
|
<dd><code>responses</code> - matrix of responses. If the responses are scalar, they should be stored as a
|
||
|
|
single row or as a single column. The matrix should have type CV_32F or CV_32S (in the
|
||
|
|
former case the responses are considered as ordered by default; in the latter case - as
|
||
|
|
categorical)</dd>
|
||
|
|
<dd><code>varIdx</code> - vector specifying which variables to use for training. It can be an integer vector
|
||
|
|
(CV_32S) containing 0-based variable indices or byte vector (CV_8U) containing a mask of
|
||
|
|
active variables.</dd>
|
||
|
|
<dd><code>sampleIdx</code> - vector specifying which samples to use for training. It can be an integer
|
||
|
|
vector (CV_32S) containing 0-based sample indices or byte vector (CV_8U) containing a mask
|
||
|
|
of training samples.</dd>
|
||
|
|
<dd><code>sampleWeights</code> - optional vector with weights for each sample. It should have CV_32F type.
|
||
|
|
<number_of_variables_in_responses>`, containing types of each input and output variable. See
|
||
|
|
ml::VariableTypes.</dd>
|
||
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
|
<dd>automatically generated</dd>
|
||
|
|
</dl>
|
||
|
|
</li>
|
||
|
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</ul>
|
||
|
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<a name="create-org.opencv.core.Mat-int-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">
|
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|
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<h4>create</h4>
|
||
|
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<pre>public static <a href="../../../org/opencv/ml/TrainData.html" title="class in org.opencv.ml">TrainData</a> create(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> samples,
|
||
|
|
int layout,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> responses,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varIdx,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleIdx,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sampleWeights,
|
||
|
|
<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> varType)</pre>
|
||
|
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<div class="block">Creates training data from in-memory arrays.</div>
|
||
|
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<dl>
|
||
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>samples</code> - matrix of samples. It should have CV_32F type.</dd>
|
||
|
|
<dd><code>layout</code> - see ml::SampleTypes.</dd>
|
||
|
|
<dd><code>responses</code> - matrix of responses. If the responses are scalar, they should be stored as a
|
||
|
|
single row or as a single column. The matrix should have type CV_32F or CV_32S (in the
|
||
|
|
former case the responses are considered as ordered by default; in the latter case - as
|
||
|
|
categorical)</dd>
|
||
|
|
<dd><code>varIdx</code> - vector specifying which variables to use for training. It can be an integer vector
|
||
|
|
(CV_32S) containing 0-based variable indices or byte vector (CV_8U) containing a mask of
|
||
|
|
active variables.</dd>
|
||
|
|
<dd><code>sampleIdx</code> - vector specifying which samples to use for training. It can be an integer
|
||
|
|
vector (CV_32S) containing 0-based sample indices or byte vector (CV_8U) containing a mask
|
||
|
|
of training samples.</dd>
|
||
|
|
<dd><code>sampleWeights</code> - optional vector with weights for each sample. It should have CV_32F type.</dd>
|
||
|
|
<dd><code>varType</code> - optional vector of type CV_8U and size `<number_of_variables_in_samples> +
|
||
|
|
<number_of_variables_in_responses>`, containing types of each input and output variable. See
|
||
|
|
ml::VariableTypes.</dd>
|
||
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
|
<dd>automatically generated</dd>
|
||
|
|
</dl>
|
||
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|
||
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|
||
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|
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<h4>getCatCount</h4>
|
||
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<pre>public int getCatCount(int vi)</pre>
|
||
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|
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|
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|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getCatMap()</pre>
|
||
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|
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|
||
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getCatOfs()</pre>
|
||
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|
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|
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|
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<h4>getClassLabels</h4>
|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getClassLabels()</pre>
|
||
|
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<div class="block">Returns the vector of class labels
|
||
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|
||
|
|
The function returns vector of unique labels occurred in the responses.</div>
|
||
|
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<dl>
|
||
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
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<dd>automatically generated</dd>
|
||
|
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</dl>
|
||
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|
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|
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<a name="getDefaultSubstValues--">
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<h4>getDefaultSubstValues</h4>
|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getDefaultSubstValues()</pre>
|
||
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|
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<a name="getLayout--">
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<h4>getLayout</h4>
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<pre>public int getLayout()</pre>
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<h4>getMissing</h4>
|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getMissing()</pre>
|
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|
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<pre>public int getNAllVars()</pre>
|
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|
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|
||
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<a name="getNames-java.util.List-">
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<h4>getNames</h4>
|
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<pre>public void getNames(java.util.List<java.lang.String> names)</pre>
|
||
|
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<div class="block">Returns vector of symbolic names captured in loadFromCSV()</div>
|
||
|
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>names</code> - automatically generated</dd>
|
||
|
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</dl>
|
||
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|
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|
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<h4>getNativeObjAddr</h4>
|
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<pre>public long getNativeObjAddr()</pre>
|
||
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|
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|
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<a name="getNormCatResponses--">
|
||
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|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getNormCatResponses()</pre>
|
||
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|
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|
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<pre>public int getNSamples()</pre>
|
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|
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<a name="getNTestSamples--">
|
||
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|
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<pre>public int getNTestSamples()</pre>
|
||
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|
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|
||
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<a name="getNTrainSamples--">
|
||
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|
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<pre>public int getNTrainSamples()</pre>
|
||
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|
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|
||
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<a name="getNVars--">
|
||
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|
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<pre>public int getNVars()</pre>
|
||
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|
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|
||
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<a name="getResponses--">
|
||
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|
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|
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<h4>getResponses</h4>
|
||
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getResponses()</pre>
|
||
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|
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|
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|
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|
||
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<pre>public int getResponseType()</pre>
|
||
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|
||
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|
||
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<a name="getSample-org.opencv.core.Mat-int-float-">
|
||
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|
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int sidx,
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float buf)</pre>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getSampleWeights()</pre>
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<pre>public static <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getSubMatrix(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> matrix,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> idx,
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int layout)</pre>
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<div class="block">Extract from matrix rows/cols specified by passed indexes.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>matrix</code> - input matrix (supported types: CV_32S, CV_32F, CV_64F)</dd>
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<dd><code>idx</code> - 1D index vector</dd>
|
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<dd><code>layout</code> - specifies to extract rows (cv::ml::ROW_SAMPLES) or to extract columns (cv::ml::COL_SAMPLES)</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>automatically generated</dd>
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<h4>getSubVector</h4>
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<pre>public static <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getSubVector(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> vec,
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> idx)</pre>
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<div class="block">Extract from 1D vector elements specified by passed indexes.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>vec</code> - input vector (supported types: CV_32S, CV_32F, CV_64F)</dd>
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<dd><code>idx</code> - 1D index vector</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>automatically generated</dd>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTestNormCatResponses()</pre>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTestResponses()</pre>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTestSampleIdx()</pre>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTestSamples()</pre>
|
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<div class="block">Returns matrix of test samples</div>
|
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>automatically generated</dd>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTestSampleWeights()</pre>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainNormCatResponses()</pre>
|
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<div class="block">Returns the vector of normalized categorical responses
|
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|
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The function returns vector of responses. Each response is integer from <code>0</code> to `<number of
|
||
|
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classes>-1`. The actual label value can be retrieved then from the class label vector, see
|
||
|
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TrainData::getClassLabels.</div>
|
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>automatically generated</dd>
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|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainResponses()</pre>
|
||
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<div class="block">Returns the vector of responses
|
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|
||
|
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regression algorithms.</div>
|
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|
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<dt><span class="returnLabel">Returns:</span></dt>
|
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<dd>automatically generated</dd>
|
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|
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|
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|
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<h4>getTrainSampleIdx</h4>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainSampleIdx()</pre>
|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainSamples()</pre>
|
||
|
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<div class="block">Returns matrix of train samples
|
||
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|
||
|
|
transposed. See ml::SampleTypes.
|
||
|
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sampleIdx)
|
||
|
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the active variables.
|
||
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|
||
|
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In current implementation the function tries to avoid physical data copying and returns the
|
||
|
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matrix stored inside TrainData (unless the transposition or compression is needed).</div>
|
||
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<dl>
|
||
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
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<dd>automatically generated</dd>
|
||
|
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</dl>
|
||
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|
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|
||
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<h4>getTrainSamples</h4>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainSamples(int layout)</pre>
|
||
|
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<div class="block">Returns matrix of train samples</div>
|
||
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>layout</code> - The requested layout. If it's different from the initial one, the matrix is
|
||
|
|
transposed. See ml::SampleTypes.
|
||
|
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sampleIdx)
|
||
|
|
the active variables.
|
||
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|
||
|
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In current implementation the function tries to avoid physical data copying and returns the
|
||
|
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matrix stored inside TrainData (unless the transposition or compression is needed).</dd>
|
||
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
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<dd>automatically generated</dd>
|
||
|
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</dl>
|
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|
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|
||
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<h4>getTrainSamples</h4>
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainSamples(int layout,
|
||
|
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boolean compressSamples)</pre>
|
||
|
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<div class="block">Returns matrix of train samples</div>
|
||
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>layout</code> - The requested layout. If it's different from the initial one, the matrix is
|
||
|
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transposed. See ml::SampleTypes.</dd>
|
||
|
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<dd><code>compressSamples</code> - if true, the function returns only the training samples (specified by
|
||
|
|
sampleIdx)
|
||
|
|
the active variables.
|
||
|
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|
||
|
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In current implementation the function tries to avoid physical data copying and returns the
|
||
|
|
matrix stored inside TrainData (unless the transposition or compression is needed).</dd>
|
||
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
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<dd>automatically generated</dd>
|
||
|
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</dl>
|
||
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|
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|
||
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getTrainSamples(int layout,
|
||
|
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boolean compressSamples,
|
||
|
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boolean compressVars)</pre>
|
||
|
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<div class="block">Returns matrix of train samples</div>
|
||
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>layout</code> - The requested layout. If it's different from the initial one, the matrix is
|
||
|
|
transposed. See ml::SampleTypes.</dd>
|
||
|
|
<dd><code>compressSamples</code> - if true, the function returns only the training samples (specified by
|
||
|
|
sampleIdx)</dd>
|
||
|
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<dd><code>compressVars</code> - if true, the function returns the shorter training samples, containing only
|
||
|
|
the active variables.
|
||
|
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|
||
|
|
In current implementation the function tries to avoid physical data copying and returns the
|
||
|
|
matrix stored inside TrainData (unless the transposition or compression is needed).</dd>
|
||
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
||
|
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<dd>automatically generated</dd>
|
||
|
|
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|
||
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|
||
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|
||
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|
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<pre>public void getValues(int vi,
|
||
|
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<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> sidx,
|
||
|
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float values)</pre>
|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getVarIdx()</pre>
|
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|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getVarSymbolFlags()</pre>
|
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|
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|
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<pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getVarType()</pre>
|
||
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|
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|
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|
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|
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<h4>setTrainTestSplit</h4>
|
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<pre>public void setTrainTestSplit(int count)</pre>
|
||
|
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<div class="block">Splits the training data into the training and test parts
|
||
|
|
SEE: TrainData::setTrainTestSplitRatio</div>
|
||
|
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<dl>
|
||
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
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<dd><code>count</code> - automatically generated</dd>
|
||
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|
||
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|
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|
||
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|
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|
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<pre>public void setTrainTestSplit(int count,
|
||
|
|
boolean shuffle)</pre>
|
||
|
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<div class="block">Splits the training data into the training and test parts
|
||
|
|
SEE: TrainData::setTrainTestSplitRatio</div>
|
||
|
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<dl>
|
||
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
||
|
|
<dd><code>count</code> - automatically generated</dd>
|
||
|
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<dd><code>shuffle</code> - automatically generated</dd>
|
||
|
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</dl>
|
||
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|
||
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|
||
|
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<a name="setTrainTestSplitRatio-double-">
|
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|
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<pre>public void setTrainTestSplitRatio(double ratio)</pre>
|
||
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each of TrainData::getTrain\* there is corresponding TrainData::getTest\*, so that the test
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subset can be retrieved and processed as well.
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SEE: TrainData::setTrainTestSplit</div>
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<dl>
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<h4>setTrainTestSplitRatio</h4>
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<pre>public void setTrainTestSplitRatio(double ratio,
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boolean shuffle)</pre>
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<div class="block">Splits the training data into the training and test parts
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The function selects a subset of specified relative size and then returns it as the training
|
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set. If the function is not called, all the data is used for training. Please, note that for
|
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|
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each of TrainData::getTrain\* there is corresponding TrainData::getTest\*, so that the test
|
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subset can be retrieved and processed as well.
|
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SEE: TrainData::setTrainTestSplit</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>ratio</code> - automatically generated</dd>
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<dd><code>shuffle</code> - automatically generated</dd>
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</dl>
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<a name="shuffleTrainTest--">
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<h4>shuffleTrainTest</h4>
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<pre>public void shuffleTrainTest()</pre>
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