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189 lines
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189 lines
13 KiB
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<!-- Generated by javadoc (17) on Wed Jul 02 13:16:04 UTC 2025 -->
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<title>DenseOpticalFlow (OpenCV 4.12.0 Java documentation)</title>
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<meta name="description" content="declaration: package: org.opencv.video, class: DenseOpticalFlow">
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<li>Detail: </li>
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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 DenseOpticalFlow" class="title">Class DenseOpticalFlow</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">org.opencv.video.DenseOpticalFlow</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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<dl class="notes">
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<dt>Direct Known Subclasses:</dt>
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<dd><code><a href="DISOpticalFlow.html" title="class in org.opencv.video">DISOpticalFlow</a></code>, <code><a href="FarnebackOpticalFlow.html" title="class in org.opencv.video">FarnebackOpticalFlow</a></code>, <code><a href="VariationalRefinement.html" title="class in org.opencv.video">VariationalRefinement</a></code></dd>
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</dl>
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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">DenseOpticalFlow</span>
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<span class="extends-implements">extends <a href="../core/Algorithm.html" title="class in org.opencv.core">Algorithm</a></span></div>
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<div class="block">Base class for dense optical flow algorithms</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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<!-- ========== 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 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="DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</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-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="#calc(org.opencv.core.Mat,org.opencv.core.Mat,org.opencv.core.Mat)" class="member-name-link">calc</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> I0,
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<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> I1,
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<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> flow)</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">Calculates an optical flow.</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="#collectGarbage()" class="member-name-link">collectGarbage</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">Releases all inner buffers.</div>
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</div>
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</div>
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</div>
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</div>
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<div class="inherited-list">
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<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>
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<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>
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<div class="inherited-list">
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<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>
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<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>
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</section>
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</li>
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</ul>
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</section>
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<section class="details">
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<ul class="details-list">
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<!-- ============ METHOD DETAIL ========== -->
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<li>
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<section class="method-details" id="method-detail">
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<h2>Method Details</h2>
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<ul class="member-list">
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<li>
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<section class="detail" id="__fromPtr__(long)">
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<h3>__fromPtr__</h3>
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<div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="DenseOpticalFlow.html" title="class in org.opencv.video">DenseOpticalFlow</a></span> <span class="element-name">__fromPtr__</span><wbr><span class="parameters">(long addr)</span></div>
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</section>
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</li>
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<li>
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<section class="detail" id="calc(org.opencv.core.Mat,org.opencv.core.Mat,org.opencv.core.Mat)">
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<h3>calc</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">calc</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> I0,
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<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> I1,
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<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> flow)</span></div>
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<div class="block">Calculates an optical flow.</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>I0</code> - first 8-bit single-channel input image.</dd>
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<dd><code>I1</code> - second input image of the same size and the same type as prev.</dd>
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<dd><code>flow</code> - computed flow image that has the same size as prev and type CV_32FC2.</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="collectGarbage()">
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<h3>collectGarbage</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">collectGarbage</span>()</div>
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<div class="block">Releases all inner buffers.</div>
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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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<p class="legal-copy"><small>Generated on 2025-07-02 13:16:04 / OpenCV 4.12.0</small></p>
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