244 lines
19 KiB
HTML
244 lines
19 KiB
HTML
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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.dnn</a></div>
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<h1 title="Class TextDetectionModel" class="title">Class TextDetectionModel</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="Model.html" title="class in org.opencv.dnn">org.opencv.dnn.Model</a>
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<div class="inheritance">org.opencv.dnn.TextDetectionModel</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="TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code>, <code><a href="TextDetectionModel_EAST.html" title="class in org.opencv.dnn">TextDetectionModel_EAST</a></code></dd>
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</dl>
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<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">TextDetectionModel</span>
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<span class="extends-implements">extends <a href="Model.html" title="class in org.opencv.dnn">Model</a></span></div>
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<div class="block">Base class for text detection networks</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 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="TextDetectionModel.html" title="class in org.opencv.dnn">TextDetectionModel</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="#detect(org.opencv.core.Mat,java.util.List)" class="member-name-link">detect</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../core/MatOfPoint.html" title="class in org.opencv.core">MatOfPoint</a>> detections)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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="#detect(org.opencv.core.Mat,java.util.List,org.opencv.core.MatOfFloat)" class="member-name-link">detect</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../core/MatOfPoint.html" title="class in org.opencv.core">MatOfPoint</a>> detections,
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<a href="../core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> confidences)</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">Performs detection
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Given the input <code>frame</code>, prepare network input, run network inference, post-process network output and return result detections.</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="#detectTextRectangles(org.opencv.core.Mat,org.opencv.core.MatOfRotatedRect)" class="member-name-link">detectTextRectangles</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="../core/MatOfRotatedRect.html" title="class in org.opencv.core">MatOfRotatedRect</a> detections)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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="#detectTextRectangles(org.opencv.core.Mat,org.opencv.core.MatOfRotatedRect,org.opencv.core.MatOfFloat)" class="member-name-link">detectTextRectangles</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="../core/MatOfRotatedRect.html" title="class in org.opencv.core">MatOfRotatedRect</a> detections,
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<a href="../core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> confidences)</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">Performs detection
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Given the input <code>frame</code>, prepare network input, run network inference, post-process network output and return result detections.</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.dnn.Model">Methods inherited from class org.opencv.dnn.<a href="Model.html" title="class in org.opencv.dnn">Model</a></h3>
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<code><a href="Model.html#enableWinograd(boolean)">enableWinograd</a>, <a href="Model.html#getNativeObjAddr()">getNativeObjAddr</a>, <a href="Model.html#predict(org.opencv.core.Mat,java.util.List)">predict</a>, <a href="Model.html#setInputCrop(boolean)">setInputCrop</a>, <a href="Model.html#setInputMean(org.opencv.core.Scalar)">setInputMean</a>, <a href="Model.html#setInputParams()">setInputParams</a>, <a href="Model.html#setInputParams(double)">setInputParams</a>, <a href="Model.html#setInputParams(double,org.opencv.core.Size)">setInputParams</a>, <a href="Model.html#setInputParams(double,org.opencv.core.Size,org.opencv.core.Scalar)">setInputParams</a>, <a href="Model.html#setInputParams(double,org.opencv.core.Size,org.opencv.core.Scalar,boolean)">setInputParams</a>, <a href="Model.html#setInputParams(double,org.opencv.core.Size,org.opencv.core.Scalar,boolean,boolean)">setInputParams</a>, <a href="Model.html#setInputScale(org.opencv.core.Scalar)">setInputScale</a>, <a href="Model.html#setInputSize(int,int)">setInputSize</a>, <a href="Model.html#setInputSize(org.opencv.core.Size)">setInputSize</a>, <a href="Model.html#setInputSwapRB(boolean)">setInputSwapRB</a>, <a href="Model.html#setOutputNames(java.util.List)">setOutputNames</a>, <a href="Model.html#setPreferableBackend(int)">setPreferableBackend</a>, <a href="Model.html#setPreferableTarget(int)">setPreferableTarget</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="TextDetectionModel.html" title="class in org.opencv.dnn">TextDetectionModel</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="detect(org.opencv.core.Mat,java.util.List,org.opencv.core.MatOfFloat)">
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<h3>detect</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">detect</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../core/MatOfPoint.html" title="class in org.opencv.core">MatOfPoint</a>> detections,
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<a href="../core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> confidences)</span></div>
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<div class="block">Performs detection
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Given the input <code>frame</code>, prepare network input, run network inference, post-process network output and return result detections.
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Each result is quadrangle's 4 points in this order:
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- bottom-left
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- top-left
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- top-right
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- bottom-right
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Use cv::getPerspectiveTransform function to retrieve image region without perspective transformations.
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<b>Note:</b> If DL model doesn't support that kind of output then result may be derived from detectTextRectangles() output.</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>frame</code> - The input image</dd>
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<dd><code>detections</code> - array with detections' quadrangles (4 points per result)</dd>
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<dd><code>confidences</code> - array with detection confidences</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="detect(org.opencv.core.Mat,java.util.List)">
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<h3>detect</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">detect</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../core/MatOfPoint.html" title="class in org.opencv.core">MatOfPoint</a>> detections)</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="detectTextRectangles(org.opencv.core.Mat,org.opencv.core.MatOfRotatedRect,org.opencv.core.MatOfFloat)">
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<h3>detectTextRectangles</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">detectTextRectangles</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="../core/MatOfRotatedRect.html" title="class in org.opencv.core">MatOfRotatedRect</a> detections,
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<a href="../core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> confidences)</span></div>
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<div class="block">Performs detection
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Given the input <code>frame</code>, prepare network input, run network inference, post-process network output and return result detections.
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Each result is rotated rectangle.
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<b>Note:</b> Result may be inaccurate in case of strong perspective transformations.</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>frame</code> - the input image</dd>
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<dd><code>detections</code> - array with detections' RotationRect results</dd>
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<dd><code>confidences</code> - array with detection confidences</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="detectTextRectangles(org.opencv.core.Mat,org.opencv.core.MatOfRotatedRect)">
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<h3>detectTextRectangles</h3>
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">detectTextRectangles</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a> frame,
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<a href="../core/MatOfRotatedRect.html" title="class in org.opencv.core">MatOfRotatedRect</a> detections)</span></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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<!-- ========= END OF CLASS DATA ========= -->
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<footer role="contentinfo">
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<hr>
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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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