cxf
/
makcar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
makcar/Opencv/java/javadoc/org/opencv/dnn/TextRecognitionModel.html

381 lines
30 KiB
HTML
Raw Permalink Normal View History

修改git
2026-02-11 10:49:08 +08:00
<!DOCTYPE HTML>
<html lang="en">
<head>
<!-- Generated by javadoc (17) on Wed Jul 02 13:16:04 UTC 2025 -->
<title>TextRecognitionModel (OpenCV 4.12.0 Java documentation)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="dc.created" content="2025-07-02">
<meta name="description" content="declaration: package: org.opencv.dnn, class: TextRecognitionModel">
<meta name="generator" content="javadoc/ClassWriterImpl">
<link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../script-dir/jquery-ui.min.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../jquery-ui.overrides.css" title="Style">
<script type="text/javascript" src="../../../script.js"></script>
<script type="text/javascript" src="../../../script-dir/jquery-3.7.1.min.js"></script>
<script type="text/javascript" src="../../../script-dir/jquery-ui.min.js"></script>
</head>
<body class="class-declaration-page">
<script type="text/javascript">var evenRowColor = "even-row-color";
var oddRowColor = "odd-row-color";
var tableTab = "table-tab";
var activeTableTab = "active-table-tab";
var pathtoroot = "../../../";
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<div class="flex-box">
<header role="banner" class="flex-header">
<nav role="navigation">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="top-nav" id="navbar-top">
<div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
<div class="about-language">
<script>
var url = window.location.href;
var pos = url.lastIndexOf('/javadoc/');
url = pos >= 0 ? (url.substring(0, pos) + '/javadoc/mymath.js') : (window.location.origin + '/mymath.js');
var script = document.createElement('script');
script.src = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML,' + url;
document.getElementsByTagName('head')[0].appendChild(script);
</script>
</div>
<ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
<li><a href="../../../index.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="nav-bar-cell1-rev">Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../index-all.html">Index</a></li>
<li><a href="../../../help-doc.html#class">Help</a></li>
</ul>
</div>
<div class="sub-nav">
<div>
<ul class="sub-nav-list">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#constructor-summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method-summary">Method</a></li>
</ul>
<ul class="sub-nav-list">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#constructor-detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method-detail">Method</a></li>
</ul>
</div>
<div class="nav-list-search"><label for="search-input">SEARCH:</label>
<input type="text" id="search-input" value="search" disabled="disabled">
<input type="reset" id="reset-button" value="reset" disabled="disabled">
</div>
</div>
<!-- ========= END OF TOP NAVBAR ========= -->
<span class="skip-nav" id="skip-navbar-top"></span></nav>
</header>
<div class="flex-content">
<main role="main">
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.opencv.dnn</a></div>
<h1 title="Class TextRecognitionModel" class="title">Class TextRecognitionModel</h1>
</div>
<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>
<div class="inheritance"><a href="Model.html" title="class in org.opencv.dnn">org.opencv.dnn.Model</a>
<div class="inheritance">org.opencv.dnn.TextRecognitionModel</div>
</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">TextRecognitionModel</span>
<span class="extends-implements">extends <a href="Model.html" title="class in org.opencv.dnn">Model</a></span></div>
<div class="block">This class represents high-level API for text recognition networks.
TextRecognitionModel allows to set params for preprocessing input image.
TextRecognitionModel creates net from file with trained weights and config,
sets preprocessing input, runs forward pass and return recognition result.
For TextRecognitionModel, CRNN-CTC is supported.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String)" class="member-name-link">TextRecognitionModel</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;model)</code></div>
<div class="col-last even-row-color">
<div class="block">Create text recognition model from network represented in one of the supported formats
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String,java.lang.String)" class="member-name-link">TextRecognitionModel</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;model,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;config)</code></div>
<div class="col-last odd-row-color">
<div class="block">Create text recognition model from network represented in one of the supported formats
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.opencv.dnn.Net)" class="member-name-link">TextRecognitionModel</a><wbr>(<a href="Net.html" title="class in org.opencv.dnn">Net</a>&nbsp;network)</code></div>
<div class="col-last even-row-color">
<div class="block">Create Text Recognition model from deep learning network
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<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>
<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></code></div>
<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&nbsp;addr)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getDecodeType()" class="member-name-link">getDecodeType</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Get the decoding method</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVocabulary()" class="member-name-link">getVocabulary</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Get the vocabulary for recognition.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#recognize(org.opencv.core.Mat)" class="member-name-link">recognize</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;frame)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Given the <code>input</code> frame, create input blob, run net and return recognition result</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="#recognize(org.opencv.core.Mat,java.util.List,java.util.List)" class="member-name-link">recognize</a><wbr>(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;frame,
<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>&lt;<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;roiRects,
<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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;results)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Given the <code>input</code> frame, create input blob, run net and return recognition result</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setDecodeOptsCTCPrefixBeamSearch(int)" class="member-name-link">setDecodeOptsCTCPrefixBeamSearch</a><wbr>(int&nbsp;beamSize)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Set the decoding method options for <code>"CTC-prefix-beam-search"</code> decode usage</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setDecodeOptsCTCPrefixBeamSearch(int,int)" class="member-name-link">setDecodeOptsCTCPrefixBeamSearch</a><wbr>(int&nbsp;beamSize,
int&nbsp;vocPruneSize)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Set the decoding method options for <code>"CTC-prefix-beam-search"</code> decode usage</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setDecodeType(java.lang.String)" class="member-name-link">setDecodeType</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;decodeType)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Set the decoding method of translating the network output into string</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVocabulary(java.util.List)" class="member-name-link">setVocabulary</a><wbr>(<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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;vocabulary)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Set the vocabulary for recognition.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.opencv.dnn.Model">Methods inherited from class&nbsp;org.opencv.dnn.<a href="Model.html" title="class in org.opencv.dnn">Model</a></h3>
<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>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;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">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(org.opencv.dnn.Net)">
<h3>TextRecognitionModel</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">TextRecognitionModel</span><wbr><span class="parameters">(<a href="Net.html" title="class in org.opencv.dnn">Net</a>&nbsp;network)</span></div>
<div class="block">Create Text Recognition model from deep learning network
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>network</code> - Net object</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.String)">
<h3>TextRecognitionModel</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">TextRecognitionModel</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;model,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;config)</span></div>
<div class="block">Create text recognition model from network represented in one of the supported formats
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>model</code> - Binary file contains trained weights</dd>
<dd><code>config</code> - Text file contains network configuration</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.lang.String)">
<h3>TextRecognitionModel</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">TextRecognitionModel</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;model)</span></div>
<div class="block">Create text recognition model from network represented in one of the supported formats
Call setDecodeType() and setVocabulary() after constructor to initialize the decoding method</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>model</code> - Binary file contains trained weights</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>&nbsp;<span class="return-type"><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></span>&nbsp;<span class="element-name">__fromPtr__</span><wbr><span class="parameters">(long&nbsp;addr)</span></div>
</section>
</li>
<li>
<section class="detail" id="setDecodeType(java.lang.String)">
<h3>setDecodeType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></span>&nbsp;<span class="element-name">setDecodeType</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;decodeType)</span></div>
<div class="block">Set the decoding method of translating the network output into string</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>decodeType</code> - The decoding method of translating the network output into string, currently supported type:
- <code>"CTC-greedy"</code> greedy decoding for the output of CTC-based methods
- <code>"CTC-prefix-beam-search"</code> Prefix beam search decoding for the output of CTC-based methods</dd>
<dt>Returns:</dt>
<dd>automatically generated</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getDecodeType()">
<h3>getDecodeType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getDecodeType</span>()</div>
<div class="block">Get the decoding method</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the decoding method</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setDecodeOptsCTCPrefixBeamSearch(int,int)">
<h3>setDecodeOptsCTCPrefixBeamSearch</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></span>&nbsp;<span class="element-name">setDecodeOptsCTCPrefixBeamSearch</span><wbr><span class="parameters">(int&nbsp;beamSize,
int&nbsp;vocPruneSize)</span></div>
<div class="block">Set the decoding method options for <code>"CTC-prefix-beam-search"</code> decode usage</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>beamSize</code> - Beam size for search</dd>
<dd><code>vocPruneSize</code> - Parameter to optimize big vocabulary search,
only take top <code>vocPruneSize</code> tokens in each search step, <code>vocPruneSize</code> &lt;= 0 stands for disable this prune.</dd>
<dt>Returns:</dt>
<dd>automatically generated</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setDecodeOptsCTCPrefixBeamSearch(int)">
<h3>setDecodeOptsCTCPrefixBeamSearch</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></span>&nbsp;<span class="element-name">setDecodeOptsCTCPrefixBeamSearch</span><wbr><span class="parameters">(int&nbsp;beamSize)</span></div>
<div class="block">Set the decoding method options for <code>"CTC-prefix-beam-search"</code> decode usage</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>beamSize</code> - Beam size for search
only take top <code>vocPruneSize</code> tokens in each search step, <code>vocPruneSize</code> &lt;= 0 stands for disable this prune.</dd>
<dt>Returns:</dt>
<dd>automatically generated</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setVocabulary(java.util.List)">
<h3>setVocabulary</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TextRecognitionModel.html" title="class in org.opencv.dnn">TextRecognitionModel</a></span>&nbsp;<span class="element-name">setVocabulary</span><wbr><span class="parameters">(<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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;vocabulary)</span></div>
<div class="block">Set the vocabulary for recognition.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>vocabulary</code> - the associated vocabulary of the network.</dd>
<dt>Returns:</dt>
<dd>automatically generated</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getVocabulary()">
<h3>getVocabulary</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">getVocabulary</span>()</div>
<div class="block">Get the vocabulary for recognition.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>vocabulary the associated vocabulary</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="recognize(org.opencv.core.Mat)">
<h3>recognize</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">recognize</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;frame)</span></div>
<div class="block">Given the <code>input</code> frame, create input blob, run net and return recognition result</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>frame</code> - The input image</dd>
<dt>Returns:</dt>
<dd>The text recognition result</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="recognize(org.opencv.core.Mat,java.util.List,java.util.List)">
<h3>recognize</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">recognize</span><wbr><span class="parameters">(<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&nbsp;frame,
<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>&lt;<a href="../core/Mat.html" title="class in org.opencv.core">Mat</a>&gt;&nbsp;roiRects,
<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>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;results)</span></div>
<div class="block">Given the <code>input</code> frame, create input blob, run net and return recognition result</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>frame</code> - The input image</dd>
<dd><code>roiRects</code> - List of text detection regions of interest (cv::Rect, CV_32SC4). ROIs is be cropped as the network inputs</dd>
<dd><code>results</code> - A set of text recognition results.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
<!-- ========= END OF CLASS DATA ========= -->
</main>
<footer role="contentinfo">
<hr>
<p class="legal-copy"><small>Generated on 2025-07-02 13:16:04 / OpenCV 4.12.0</small></p>
</footer>
</div>
</div>
</body>
</html>