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<div class="subTitle">org.opencv.objdetect</div>
<h2 title="Class GraphicalCodeDetector" class="title">Class GraphicalCodeDetector</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.opencv.objdetect.GraphicalCodeDetector</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../org/opencv/objdetect/BarcodeDetector.html" title="class in org.opencv.objdetect">BarcodeDetector</a>, <a href="../../../org/opencv/objdetect/QRCodeDetector.html" title="class in org.opencv.objdetect">QRCodeDetector</a>, <a href="../../../org/opencv/objdetect/QRCodeDetectorAruco.html" title="class in org.opencv.objdetect">QRCodeDetectorAruco</a></dd>
</dl>
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<br>
<pre>public class <span class="typeNameLabel">GraphicalCodeDetector</span>
extends java.lang.Object</pre>
</li>
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<!-- ========== METHOD SUMMARY =========== -->
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>static <a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html" title="class in org.opencv.objdetect">GraphicalCodeDetector</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long&nbsp;addr)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#decode-org.opencv.core.Mat-org.opencv.core.Mat-">decode</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
      <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</code>
<div class="block">Decodes graphical code in image once it's found by the detect() method.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#decode-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">decode</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
      <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
      <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;straight_code)</code>
<div class="block">Decodes graphical code in image once it's found by the detect() method.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#decodeMulti-org.opencv.core.Mat-org.opencv.core.Mat-java.util.List-">decodeMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
           java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info)</code>
<div class="block">Decodes graphical codes in image once it's found by the detect() method.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#decodeMulti-org.opencv.core.Mat-org.opencv.core.Mat-java.util.List-java.util.List-">decodeMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
           java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
           java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;straight_code)</code>
<div class="block">Decodes graphical codes in image once it's found by the detect() method.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detect-org.opencv.core.Mat-org.opencv.core.Mat-">detect</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
      <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</code>
<div class="block">Detects graphical code in image and returns the quadrangle containing the code.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecode-org.opencv.core.Mat-">detectAndDecode</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img)</code>
<div class="block">Both detects and decodes graphical code</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecode-org.opencv.core.Mat-org.opencv.core.Mat-">detectAndDecode</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</code>
<div class="block">Both detects and decodes graphical code</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecode-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">detectAndDecode</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;straight_code)</code>
<div class="block">Both detects and decodes graphical code</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecodeMulti-org.opencv.core.Mat-java.util.List-">detectAndDecodeMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info)</code>
<div class="block">Both detects and decodes graphical codes</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecodeMulti-org.opencv.core.Mat-java.util.List-org.opencv.core.Mat-">detectAndDecodeMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</code>
<div class="block">Both detects and decodes graphical codes</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectAndDecodeMulti-org.opencv.core.Mat-java.util.List-org.opencv.core.Mat-java.util.List-">detectAndDecodeMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                    java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;straight_code)</code>
<div class="block">Both detects and decodes graphical codes</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#detectMulti-org.opencv.core.Mat-org.opencv.core.Mat-">detectMulti</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</code>
<div class="block">Detects graphical codes in image and returns the vector of the quadrangles containing the codes.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html#getNativeObjAddr--">getNativeObjAddr</a></span>()</code>&nbsp;</td>
</tr>
</table>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
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<h3>Method Detail</h3>
<a name="Z:Z__fromPtr__-long-">
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<h4>__fromPtr__</h4>
<pre>public static&nbsp;<a href="../../../org/opencv/objdetect/GraphicalCodeDetector.html" title="class in org.opencv.objdetect">GraphicalCodeDetector</a>&nbsp;__fromPtr__(long&nbsp;addr)</pre>
</li>
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<a name="decode-org.opencv.core.Mat-org.opencv.core.Mat-">
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<h4>decode</h4>
<pre>public&nbsp;java.lang.String&nbsp;decode(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</pre>
<div class="block">Decodes graphical code in image once it's found by the detect() method.

      Returns UTF8-encoded output string or empty string if the code cannot be decoded.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical code.</dd>
<dd><code>points</code> - Quadrangle vertices found by detect() method (or some other algorithm).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
</li>
</ul>
<a name="decode-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.Mat-">
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<h4>decode</h4>
<pre>public&nbsp;java.lang.String&nbsp;decode(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                               <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;straight_code)</pre>
<div class="block">Decodes graphical code in image once it's found by the detect() method.

      Returns UTF8-encoded output string or empty string if the code cannot be decoded.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical code.</dd>
<dd><code>points</code> - Quadrangle vertices found by detect() method (or some other algorithm).</dd>
<dd><code>straight_code</code> - The optional output image containing binarized code, will be empty if not found.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
</li>
</ul>
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<h4>decodeMulti</h4>
<pre>public&nbsp;boolean&nbsp;decodeMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                           java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info)</pre>
<div class="block">Decodes graphical codes in image once it's found by the detect() method.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical codes.</dd>
<dd><code>decoded_info</code> - UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.</dd>
<dd><code>points</code> - vector of Quadrangle vertices found by detect() method (or some other algorithm).</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
</li>
</ul>
<a name="decodeMulti-org.opencv.core.Mat-org.opencv.core.Mat-java.util.List-java.util.List-">
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<h4>decodeMulti</h4>
<pre>public&nbsp;boolean&nbsp;decodeMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                           java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
                           java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;straight_code)</pre>
<div class="block">Decodes graphical codes in image once it's found by the detect() method.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical codes.</dd>
<dd><code>decoded_info</code> - UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.</dd>
<dd><code>points</code> - vector of Quadrangle vertices found by detect() method (or some other algorithm).</dd>
<dd><code>straight_code</code> - The optional output vector of images containing binarized codes</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
</li>
</ul>
<a name="detect-org.opencv.core.Mat-org.opencv.core.Mat-">
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<h4>detect</h4>
<pre>public&nbsp;boolean&nbsp;detect(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                      <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</pre>
<div class="block">Detects graphical code in image and returns the quadrangle containing the code.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing (or not) graphical code.</dd>
<dd><code>points</code> - Output vector of vertices of the minimum-area quadrangle containing the code.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<pre>public&nbsp;java.lang.String&nbsp;detectAndDecode(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img)</pre>
<div class="block">Both detects and decodes graphical code</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical code.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
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<pre>public&nbsp;java.lang.String&nbsp;detectAndDecode(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                                        <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</pre>
<div class="block">Both detects and decodes graphical code</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical code.</dd>
<dd><code>points</code> - optional output array of vertices of the found graphical code quadrangle, will be empty if not found.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<h4>detectAndDecode</h4>
<pre>public&nbsp;java.lang.String&nbsp;detectAndDecode(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                                        <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                                        <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;straight_code)</pre>
<div class="block">Both detects and decodes graphical code</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical code.</dd>
<dd><code>points</code> - optional output array of vertices of the found graphical code quadrangle, will be empty if not found.</dd>
<dd><code>straight_code</code> - The optional output image containing binarized code</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<pre>public&nbsp;boolean&nbsp;detectAndDecodeMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info)</pre>
<div class="block">Both detects and decodes graphical codes</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical codes.</dd>
<dd><code>decoded_info</code> - UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<pre>public&nbsp;boolean&nbsp;detectAndDecodeMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
                                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</pre>
<div class="block">Both detects and decodes graphical codes</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical codes.</dd>
<dd><code>decoded_info</code> - UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.</dd>
<dd><code>points</code> - optional output vector of vertices of the found graphical code quadrangles. Will be empty if not found.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
</li>
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<h4>detectAndDecodeMulti</h4>
<pre>public&nbsp;boolean&nbsp;detectAndDecodeMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                                    java.util.List&lt;java.lang.String&gt;&nbsp;decoded_info,
                                    <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points,
                                    java.util.List&lt;<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;straight_code)</pre>
<div class="block">Both detects and decodes graphical codes</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing graphical codes.</dd>
<dd><code>decoded_info</code> - UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.</dd>
<dd><code>points</code> - optional output vector of vertices of the found graphical code quadrangles. Will be empty if not found.</dd>
<dd><code>straight_code</code> - The optional vector of images containing binarized codes</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<h4>detectMulti</h4>
<pre>public&nbsp;boolean&nbsp;detectMulti(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;img,
                           <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;points)</pre>
<div class="block">Detects graphical codes in image and returns the vector of the quadrangles containing the codes.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - grayscale or color (BGR) image containing (or not) graphical codes.</dd>
<dd><code>points</code> - Output vector of vector of vertices of the minimum-area quadrangle containing the codes.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>automatically generated</dd>
</dl>
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<h4>getNativeObjAddr</h4>
<pre>public&nbsp;long&nbsp;getNativeObjAddr()</pre>
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