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651 lines
40 KiB
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<!-- ======== START OF CLASS DATA ======== -->
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<div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.opencv.video</a></div>
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<h1 title="Class DISOpticalFlow" class="title">Class DISOpticalFlow</h1>
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</div>
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<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
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<div class="inheritance"><a href="../core/Algorithm.html" title="class in org.opencv.core">org.opencv.core.Algorithm</a>
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<div class="inheritance"><a href="DenseOpticalFlow.html" title="class in org.opencv.video">org.opencv.video.DenseOpticalFlow</a>
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<div class="inheritance">org.opencv.video.DISOpticalFlow</div>
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</div>
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</div>
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</div>
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<section class="class-description" id="class-description">
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<hr>
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<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">DISOpticalFlow</span>
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<span class="extends-implements">extends <a href="DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</a></span></div>
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<div class="block">DIS optical flow algorithm.
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This class implements the Dense Inverse Search (DIS) optical flow algorithm. More
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details about the algorithm can be found at CITE: Kroeger2016 . Includes three presets with preselected
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parameters to provide reasonable trade-off between speed and quality. However, even the slowest preset is
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still relatively fast, use DeepFlow if you need better quality and don't care about speed.
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This implementation includes several additional features compared to the algorithm described in the paper,
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including spatial propagation of flow vectors (REF: getUseSpatialPropagation), as well as an option to
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utilize an initial flow approximation passed to REF: calc (which is, essentially, temporal propagation,
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if the previous frame's flow field is passed).</div>
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</section>
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<section class="summary">
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<ul class="summary-list">
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<!-- =========== FIELD SUMMARY =========== -->
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<li>
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<section class="field-summary" id="field-summary">
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<h2>Field Summary</h2>
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<div class="caption"><span>Fields</span></div>
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<div class="summary-table three-column-summary">
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<div class="table-header col-first">Modifier and Type</div>
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<div class="table-header col-second">Field</div>
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<div class="table-header col-last">Description</div>
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<div class="col-first even-row-color"><code>static final int</code></div>
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<div class="col-second even-row-color"><code><a href="#PRESET_FAST" class="member-name-link">PRESET_FAST</a></code></div>
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<div class="col-last even-row-color"> </div>
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<div class="col-first odd-row-color"><code>static final int</code></div>
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<div class="col-second odd-row-color"><code><a href="#PRESET_MEDIUM" class="member-name-link">PRESET_MEDIUM</a></code></div>
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<div class="col-last odd-row-color"> </div>
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<div class="col-first even-row-color"><code>static final int</code></div>
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<div class="col-second even-row-color"><code><a href="#PRESET_ULTRAFAST" class="member-name-link">PRESET_ULTRAFAST</a></code></div>
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<div class="col-last even-row-color"> </div>
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</div>
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</section>
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</li>
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<!-- ========== METHOD SUMMARY =========== -->
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<li>
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<section class="method-summary" id="method-summary">
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<h2>Method Summary</h2>
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<div id="method-summary-table">
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<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
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<div class="summary-table three-column-summary">
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<div class="table-header col-first">Modifier and Type</div>
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<div class="table-header col-second">Method</div>
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<div class="table-header col-last">Description</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#__fromPtr__(long)" class="member-name-link">__fromPtr__</a><wbr>(long addr)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create()" class="member-name-link">create</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
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<div class="block">Creates an instance of DISOpticalFlow</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(int)" class="member-name-link">create</a><wbr>(int preset)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
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<div class="block">Creates an instance of DISOpticalFlow</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFinestScale()" class="member-name-link">getFinestScale</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Finest level of the Gaussian pyramid on which the flow is computed (zero level
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corresponds to the original image resolution).</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getGradientDescentIterations()" class="member-name-link">getGradientDescentIterations</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Maximum number of gradient descent iterations in the patch inverse search stage.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPatchSize()" class="member-name-link">getPatchSize</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Size of an image patch for matching (in pixels).</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPatchStride()" class="member-name-link">getPatchStride</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Stride between neighbor patches.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getUseMeanNormalization()" class="member-name-link">getUseMeanNormalization</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Whether to use mean-normalization of patches when computing patch distance.</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getUseSpatialPropagation()" class="member-name-link">getUseSpatialPropagation</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Whether to use spatial propagation of good optical flow vectors.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariationalRefinementAlpha()" class="member-name-link">getVariationalRefinementAlpha</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Weight of the smoothness term
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SEE: setVariationalRefinementAlpha</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariationalRefinementDelta()" class="member-name-link">getVariationalRefinementDelta</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Weight of the color constancy term
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SEE: setVariationalRefinementDelta</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariationalRefinementEpsilon()" class="member-name-link">getVariationalRefinementEpsilon</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Norm value shift for robust penalizer
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SEE: setVariationalRefinementEpsilon</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>float</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariationalRefinementGamma()" class="member-name-link">getVariationalRefinementGamma</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Weight of the gradient constancy term
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SEE: setVariationalRefinementGamma</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariationalRefinementIterations()" class="member-name-link">getVariationalRefinementIterations</a>()</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Number of fixed point iterations of variational refinement per scale.</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setFinestScale(int)" class="member-name-link">setFinestScale</a><wbr>(int val)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getFinestScale SEE: getFinestScale</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setGradientDescentIterations(int)" class="member-name-link">setGradientDescentIterations</a><wbr>(int val)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getGradientDescentIterations SEE: getGradientDescentIterations</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setPatchSize(int)" class="member-name-link">setPatchSize</a><wbr>(int val)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getPatchSize SEE: getPatchSize</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setPatchStride(int)" class="member-name-link">setPatchStride</a><wbr>(int val)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getPatchStride SEE: getPatchStride</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setUseMeanNormalization(boolean)" class="member-name-link">setUseMeanNormalization</a><wbr>(boolean val)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getUseMeanNormalization SEE: getUseMeanNormalization</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setUseSpatialPropagation(boolean)" class="member-name-link">setUseSpatialPropagation</a><wbr>(boolean val)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getUseSpatialPropagation SEE: getUseSpatialPropagation</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVariationalRefinementAlpha(float)" class="member-name-link">setVariationalRefinementAlpha</a><wbr>(float val)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">getVariationalRefinementAlpha SEE: getVariationalRefinementAlpha</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVariationalRefinementDelta(float)" class="member-name-link">setVariationalRefinementDelta</a><wbr>(float val)</code></div>
|
|
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
|
|
<div class="block">getVariationalRefinementDelta SEE: getVariationalRefinementDelta</div>
|
|
</div>
|
|
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
|
|
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVariationalRefinementEpsilon(float)" class="member-name-link">setVariationalRefinementEpsilon</a><wbr>(float val)</code></div>
|
|
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
|
|
<div class="block">getVariationalRefinementEpsilon SEE: getVariationalRefinementEpsilon</div>
|
|
</div>
|
|
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
|
|
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVariationalRefinementGamma(float)" class="member-name-link">setVariationalRefinementGamma</a><wbr>(float val)</code></div>
|
|
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
|
|
<div class="block">getVariationalRefinementGamma SEE: getVariationalRefinementGamma</div>
|
|
</div>
|
|
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
|
|
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVariationalRefinementIterations(int)" class="member-name-link">setVariationalRefinementIterations</a><wbr>(int val)</code></div>
|
|
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
|
|
<div class="block">getGradientDescentIterations SEE: getGradientDescentIterations</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="inherited-list">
|
|
<h3 id="methods-inherited-from-class-org.opencv.video.DenseOpticalFlow">Methods inherited from class org.opencv.video.<a href="DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</a></h3>
|
|
<code><a href="DenseOpticalFlow.html#calc(org.opencv.core.Mat,org.opencv.core.Mat,org.opencv.core.Mat)">calc</a>, <a href="DenseOpticalFlow.html#collectGarbage()">collectGarbage</a></code></div>
|
|
<div class="inherited-list">
|
|
<h3 id="methods-inherited-from-class-org.opencv.core.Algorithm">Methods inherited from class org.opencv.core.<a href="../core/Algorithm.html" title="class in org.opencv.core">Algorithm</a></h3>
|
|
<code><a href="../core/Algorithm.html#clear()">clear</a>, <a href="../core/Algorithm.html#empty()">empty</a>, <a href="../core/Algorithm.html#getDefaultName()">getDefaultName</a>, <a href="../core/Algorithm.html#getNativeObjAddr()">getNativeObjAddr</a>, <a href="../core/Algorithm.html#save(java.lang.String)">save</a></code></div>
|
|
<div class="inherited-list">
|
|
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
|
|
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
|
|
</section>
|
|
</li>
|
|
</ul>
|
|
</section>
|
|
<section class="details">
|
|
<ul class="details-list">
|
|
<!-- ============ FIELD DETAIL =========== -->
|
|
<li>
|
|
<section class="field-details" id="field-detail">
|
|
<h2>Field Details</h2>
|
|
<ul class="member-list">
|
|
<li>
|
|
<section class="detail" id="PRESET_ULTRAFAST">
|
|
<h3>PRESET_ULTRAFAST</h3>
|
|
<div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">PRESET_ULTRAFAST</span></div>
|
|
<dl class="notes">
|
|
<dt>See Also:</dt>
|
|
<dd>
|
|
<ul class="see-list">
|
|
<li><a href="../../../constant-values.html#org.opencv.video.DISOpticalFlow.PRESET_ULTRAFAST">Constant Field Values</a></li>
|
|
</ul>
|
|
</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="PRESET_FAST">
|
|
<h3>PRESET_FAST</h3>
|
|
<div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">PRESET_FAST</span></div>
|
|
<dl class="notes">
|
|
<dt>See Also:</dt>
|
|
<dd>
|
|
<ul class="see-list">
|
|
<li><a href="../../../constant-values.html#org.opencv.video.DISOpticalFlow.PRESET_FAST">Constant Field Values</a></li>
|
|
</ul>
|
|
</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="PRESET_MEDIUM">
|
|
<h3>PRESET_MEDIUM</h3>
|
|
<div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">int</span> <span class="element-name">PRESET_MEDIUM</span></div>
|
|
<dl class="notes">
|
|
<dt>See Also:</dt>
|
|
<dd>
|
|
<ul class="see-list">
|
|
<li><a href="../../../constant-values.html#org.opencv.video.DISOpticalFlow.PRESET_MEDIUM">Constant Field Values</a></li>
|
|
</ul>
|
|
</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
</ul>
|
|
</section>
|
|
</li>
|
|
<!-- ============ METHOD DETAIL ========== -->
|
|
<li>
|
|
<section class="method-details" id="method-detail">
|
|
<h2>Method Details</h2>
|
|
<ul class="member-list">
|
|
<li>
|
|
<section class="detail" id="__fromPtr__(long)">
|
|
<h3>__fromPtr__</h3>
|
|
<div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></span> <span class="element-name">__fromPtr__</span><wbr><span class="parameters">(long addr)</span></div>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getFinestScale()">
|
|
<h3>getFinestScale</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getFinestScale</span>()</div>
|
|
<div class="block">Finest level of the Gaussian pyramid on which the flow is computed (zero level
|
|
corresponds to the original image resolution). The final flow is obtained by bilinear upscaling.
|
|
SEE: setFinestScale</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setFinestScale(int)">
|
|
<h3>setFinestScale</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setFinestScale</span><wbr><span class="parameters">(int val)</span></div>
|
|
<div class="block">getFinestScale SEE: getFinestScale</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getPatchSize()">
|
|
<h3>getPatchSize</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getPatchSize</span>()</div>
|
|
<div class="block">Size of an image patch for matching (in pixels). Normally, default 8x8 patches work well
|
|
enough in most cases.
|
|
SEE: setPatchSize</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setPatchSize(int)">
|
|
<h3>setPatchSize</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setPatchSize</span><wbr><span class="parameters">(int val)</span></div>
|
|
<div class="block">getPatchSize SEE: getPatchSize</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getPatchStride()">
|
|
<h3>getPatchStride</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getPatchStride</span>()</div>
|
|
<div class="block">Stride between neighbor patches. Must be less than patch size. Lower values correspond
|
|
to higher flow quality.
|
|
SEE: setPatchStride</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setPatchStride(int)">
|
|
<h3>setPatchStride</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setPatchStride</span><wbr><span class="parameters">(int val)</span></div>
|
|
<div class="block">getPatchStride SEE: getPatchStride</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getGradientDescentIterations()">
|
|
<h3>getGradientDescentIterations</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getGradientDescentIterations</span>()</div>
|
|
<div class="block">Maximum number of gradient descent iterations in the patch inverse search stage. Higher values
|
|
may improve quality in some cases.
|
|
SEE: setGradientDescentIterations</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setGradientDescentIterations(int)">
|
|
<h3>setGradientDescentIterations</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setGradientDescentIterations</span><wbr><span class="parameters">(int val)</span></div>
|
|
<div class="block">getGradientDescentIterations SEE: getGradientDescentIterations</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getVariationalRefinementIterations()">
|
|
<h3>getVariationalRefinementIterations</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">getVariationalRefinementIterations</span>()</div>
|
|
<div class="block">Number of fixed point iterations of variational refinement per scale. Set to zero to
|
|
disable variational refinement completely. Higher values will typically result in more smooth and
|
|
high-quality flow.
|
|
SEE: setGradientDescentIterations</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setVariationalRefinementIterations(int)">
|
|
<h3>setVariationalRefinementIterations</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setVariationalRefinementIterations</span><wbr><span class="parameters">(int val)</span></div>
|
|
<div class="block">getGradientDescentIterations SEE: getGradientDescentIterations</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getVariationalRefinementAlpha()">
|
|
<h3>getVariationalRefinementAlpha</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">float</span> <span class="element-name">getVariationalRefinementAlpha</span>()</div>
|
|
<div class="block">Weight of the smoothness term
|
|
SEE: setVariationalRefinementAlpha</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setVariationalRefinementAlpha(float)">
|
|
<h3>setVariationalRefinementAlpha</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setVariationalRefinementAlpha</span><wbr><span class="parameters">(float val)</span></div>
|
|
<div class="block">getVariationalRefinementAlpha SEE: getVariationalRefinementAlpha</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getVariationalRefinementDelta()">
|
|
<h3>getVariationalRefinementDelta</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">float</span> <span class="element-name">getVariationalRefinementDelta</span>()</div>
|
|
<div class="block">Weight of the color constancy term
|
|
SEE: setVariationalRefinementDelta</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setVariationalRefinementDelta(float)">
|
|
<h3>setVariationalRefinementDelta</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setVariationalRefinementDelta</span><wbr><span class="parameters">(float val)</span></div>
|
|
<div class="block">getVariationalRefinementDelta SEE: getVariationalRefinementDelta</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getVariationalRefinementGamma()">
|
|
<h3>getVariationalRefinementGamma</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">float</span> <span class="element-name">getVariationalRefinementGamma</span>()</div>
|
|
<div class="block">Weight of the gradient constancy term
|
|
SEE: setVariationalRefinementGamma</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setVariationalRefinementGamma(float)">
|
|
<h3>setVariationalRefinementGamma</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setVariationalRefinementGamma</span><wbr><span class="parameters">(float val)</span></div>
|
|
<div class="block">getVariationalRefinementGamma SEE: getVariationalRefinementGamma</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getVariationalRefinementEpsilon()">
|
|
<h3>getVariationalRefinementEpsilon</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">float</span> <span class="element-name">getVariationalRefinementEpsilon</span>()</div>
|
|
<div class="block">Norm value shift for robust penalizer
|
|
SEE: setVariationalRefinementEpsilon</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setVariationalRefinementEpsilon(float)">
|
|
<h3>setVariationalRefinementEpsilon</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setVariationalRefinementEpsilon</span><wbr><span class="parameters">(float val)</span></div>
|
|
<div class="block">getVariationalRefinementEpsilon SEE: getVariationalRefinementEpsilon</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getUseMeanNormalization()">
|
|
<h3>getUseMeanNormalization</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">getUseMeanNormalization</span>()</div>
|
|
<div class="block">Whether to use mean-normalization of patches when computing patch distance. It is turned on
|
|
by default as it typically provides a noticeable quality boost because of increased robustness to
|
|
illumination variations. Turn it off if you are certain that your sequence doesn't contain any changes
|
|
in illumination.
|
|
SEE: setUseMeanNormalization</div>
|
|
<dl class="notes">
|
|
<dt>Returns:</dt>
|
|
<dd>automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="setUseMeanNormalization(boolean)">
|
|
<h3>setUseMeanNormalization</h3>
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setUseMeanNormalization</span><wbr><span class="parameters">(boolean val)</span></div>
|
|
<div class="block">getUseMeanNormalization SEE: getUseMeanNormalization</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>val</code> - automatically generated</dd>
|
|
</dl>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="getUseSpatialPropagation()">
|
|
<h3>getUseSpatialPropagation</h3>
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|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">getUseSpatialPropagation</span>()</div>
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<div class="block">Whether to use spatial propagation of good optical flow vectors. This option is turned on by
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default, as it tends to work better on average and can sometimes help recover from major errors
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introduced by the coarse-to-fine scheme employed by the DIS optical flow algorithm. Turning this
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option off can make the output flow field a bit smoother, however.
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SEE: setUseSpatialPropagation</div>
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<dl class="notes">
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<dt>Returns:</dt>
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<dd>automatically generated</dd>
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</dl>
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</section>
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</li>
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<li>
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<section class="detail" id="setUseSpatialPropagation(boolean)">
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<h3>setUseSpatialPropagation</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setUseSpatialPropagation</span><wbr><span class="parameters">(boolean val)</span></div>
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<div class="block">getUseSpatialPropagation SEE: getUseSpatialPropagation</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>val</code> - automatically generated</dd>
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</dl>
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</section>
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</li>
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<li>
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|
<section class="detail" id="create(int)">
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<h3>create</h3>
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<div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></span> <span class="element-name">create</span><wbr><span class="parameters">(int preset)</span></div>
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<div class="block">Creates an instance of DISOpticalFlow</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>preset</code> - one of PRESET_ULTRAFAST, PRESET_FAST and PRESET_MEDIUM</dd>
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<dt>Returns:</dt>
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<dd>automatically generated</dd>
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</dl>
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</section>
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</li>
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<li>
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<section class="detail" id="create()">
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<h3>create</h3>
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<div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></span> <span class="element-name">create</span>()</div>
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<div class="block">Creates an instance of DISOpticalFlow</div>
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<dl class="notes">
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<dt>Returns:</dt>
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<dd>automatically generated</dd>
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</dl>
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</section>
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</li>
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</ul>
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</section>
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</li>
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</ul>
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</section>
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<!-- ========= END OF CLASS DATA ========= -->
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<p class="legal-copy"><small>Generated on 2025-07-02 13:16:04 / OpenCV 4.12.0</small></p>
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