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TextDetectionModel_DB.html

TextDetectionModel_DB.html 22 KB
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  104. <div class="subTitle">org.opencv.dnn</div>
    105. 

  105. <h2 title="Class TextDetectionModel_DB" class="title">Class TextDetectionModel_DB</h2>
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  106. </div>
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  107. <div class="contentContainer">
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  108. <ul class="inheritance">
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  109. <li>java.lang.Object</li>
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  111. <ul class="inheritance">
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  112. <li><a href="../../../org/opencv/dnn/Model.html" title="class in org.opencv.dnn">org.opencv.dnn.Model</a></li>
    113. 

  113. <li>
    114. 

  114. <ul class="inheritance">
    115. 

  115. <li><a href="../../../org/opencv/dnn/TextDetectionModel.html" title="class in org.opencv.dnn">org.opencv.dnn.TextDetectionModel</a></li>
    116. 

  116. <li>
    117. 

  117. <ul class="inheritance">
    118. 

  118. <li>org.opencv.dnn.TextDetectionModel_DB</li>
    119. 

  119. </ul>
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  131. <pre>public class <span class="typeNameLabel">TextDetectionModel_DB</span>
    132. 

  132. extends <a href="../../../org/opencv/dnn/TextDetectionModel.html" title="class in org.opencv.dnn">TextDetectionModel</a></pre>
    133. 

  133. <div class="block">This class represents high-level API for text detection DL networks compatible with DB model.
    134. 

  134. 

  135.  Related publications: CITE: liao2020real
    136. 

  136.  Paper: https://arxiv.org/abs/1911.08947
    137. 

  137.  For more information about the hyper-parameters setting, please refer to https://github.com/MhLiao/DB
    138. 

  138. 

  139.  Configurable parameters:
    140. 

  140.  - (float) binaryThreshold - The threshold of the binary map. It is usually set to 0.3.
    141. 

  141.  - (float) polygonThreshold - The threshold of text polygons. It is usually set to 0.5, 0.6, and 0.7. Default is 0.5f
    142. 

  142.  - (double) unclipRatio - The unclip ratio of the detected text region, which determines the output size. It is usually set to 2.0.
    143. 

  143.  - (int) maxCandidates - The max number of the output results.</div>
    144. 

  144. </li>
    145. 

  145. </ul>
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    155. 

  155. <h3>Constructor Summary</h3>
    156. 

  156. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
    157. 

  157. <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
    158. 

  158. <tr>
    159. 

  159. <th class="colOne" scope="col">Constructor and Description</th>
    160. 

  160. </tr>
    161. 

  161. <tr class="altColor">
    162. 

  162. <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#TextDetectionModel_DB-org.opencv.dnn.Net-">TextDetectionModel_DB</a></span>(<a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a>&nbsp;network)</code>
    163. 

  163. <div class="block">Create text detection algorithm from deep learning network.</div>
    164. 

  164. </td>
    165. 

  165. </tr>
    166. 

  166. <tr class="rowColor">
    167. 

  167. <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#TextDetectionModel_DB-java.lang.String-">TextDetectionModel_DB</a></span>(java.lang.String&nbsp;model)</code>
    168. 

  168. <div class="block">Create text detection model from network represented in one of the supported formats.</div>
    169. 

  169. </td>
    170. 

  170. </tr>
    171. 

  171. <tr class="altColor">
    172. 

  172. <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#TextDetectionModel_DB-java.lang.String-java.lang.String-">TextDetectionModel_DB</a></span>(java.lang.String&nbsp;model,
    173. 

  173.                      java.lang.String&nbsp;config)</code>
    174. 

  174. <div class="block">Create text detection model from network represented in one of the supported formats.</div>
    175. 

  175. </td>
    176. 

  176. </tr>
    177. 

  177. </table>
    178. 

  178. </li>
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  179. </ul>
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  185. <h3>Method Summary</h3>
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  186. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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  187. <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>
    188. 

  188. <tr>
    189. 

  189. <th class="colFirst" scope="col">Modifier and Type</th>
    190. 

  190. <th class="colLast" scope="col">Method and Description</th>
    191. 

  191. </tr>
    192. 

  192. <tr id="i0" class="altColor">
    193. 

  193. <td class="colFirst"><code>static <a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code></td>
    194. 

  194. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long&nbsp;addr)</code>&nbsp;</td>
    195. 

  195. </tr>
    196. 

  196. <tr id="i1" class="rowColor">
    197. 

  197. <td class="colFirst"><code>float</code></td>
    198. 

  198. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#getBinaryThreshold--">getBinaryThreshold</a></span>()</code>&nbsp;</td>
    199. 

  199. </tr>
    200. 

  200. <tr id="i2" class="altColor">
    201. 

  201. <td class="colFirst"><code>int</code></td>
    202. 

  202. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#getMaxCandidates--">getMaxCandidates</a></span>()</code>&nbsp;</td>
    203. 

  203. </tr>
    204. 

  204. <tr id="i3" class="rowColor">
    205. 

  205. <td class="colFirst"><code>float</code></td>
    206. 

  206. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#getPolygonThreshold--">getPolygonThreshold</a></span>()</code>&nbsp;</td>
    207. 

  207. </tr>
    208. 

  208. <tr id="i4" class="altColor">
    209. 

  209. <td class="colFirst"><code>double</code></td>
    210. 

  210. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#getUnclipRatio--">getUnclipRatio</a></span>()</code>&nbsp;</td>
    211. 

  211. </tr>
    212. 

  212. <tr id="i5" class="rowColor">
    213. 

  213. <td class="colFirst"><code><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code></td>
    214. 

  214. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#setBinaryThreshold-float-">setBinaryThreshold</a></span>(float&nbsp;binaryThreshold)</code>&nbsp;</td>
    215. 

  215. </tr>
    216. 

  216. <tr id="i6" class="altColor">
    217. 

  217. <td class="colFirst"><code><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code></td>
    218. 

  218. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#setMaxCandidates-int-">setMaxCandidates</a></span>(int&nbsp;maxCandidates)</code>&nbsp;</td>
    219. 

  219. </tr>
    220. 

  220. <tr id="i7" class="rowColor">
    221. 

  221. <td class="colFirst"><code><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code></td>
    222. 

  222. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#setPolygonThreshold-float-">setPolygonThreshold</a></span>(float&nbsp;polygonThreshold)</code>&nbsp;</td>
    223. 

  223. </tr>
    224. 

  224. <tr id="i8" class="altColor">
    225. 

  225. <td class="colFirst"><code><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a></code></td>
    226. 

  226. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/TextDetectionModel_DB.html#setUnclipRatio-double-">setUnclipRatio</a></span>(double&nbsp;unclipRatio)</code>&nbsp;</td>
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  232. </a>
    233. 

  233. <h3>Methods inherited from class&nbsp;org.opencv.dnn.<a href="../../../org/opencv/dnn/TextDetectionModel.html" title="class in org.opencv.dnn">TextDetectionModel</a></h3>
    234. 

  234. <code><a href="../../../org/opencv/dnn/TextDetectionModel.html#detect-org.opencv.core.Mat-java.util.List-">detect</a>, <a href="../../../org/opencv/dnn/TextDetectionModel.html#detect-org.opencv.core.Mat-java.util.List-org.opencv.core.MatOfFloat-">detect</a>, <a href="../../../org/opencv/dnn/TextDetectionModel.html#detectTextRectangles-org.opencv.core.Mat-org.opencv.core.MatOfRotatedRect-">detectTextRectangles</a>, <a href="../../../org/opencv/dnn/TextDetectionModel.html#detectTextRectangles-org.opencv.core.Mat-org.opencv.core.MatOfRotatedRect-org.opencv.core.MatOfFloat-">detectTextRectangles</a></code></li>
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    241. 

  241. <code><a href="../../../org/opencv/dnn/Model.html#getNativeObjAddr--">getNativeObjAddr</a>, <a href="../../../org/opencv/dnn/Model.html#predict-org.opencv.core.Mat-java.util.List-">predict</a>, <a href="../../../org/opencv/dnn/Model.html#setInputCrop-boolean-">setInputCrop</a>, <a href="../../../org/opencv/dnn/Model.html#setInputMean-org.opencv.core.Scalar-">setInputMean</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams--">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams-double-">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams-double-org.opencv.core.Size-">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams-double-org.opencv.core.Size-org.opencv.core.Scalar-">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams-double-org.opencv.core.Size-org.opencv.core.Scalar-boolean-">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputParams-double-org.opencv.core.Size-org.opencv.core.Scalar-boolean-boolean-">setInputParams</a>, <a href="../../../org/opencv/dnn/Model.html#setInputScale-org.opencv.core.Scalar-">setInputScale</a>, <a href="../../../org/opencv/dnn/Model.html#setInputSize-int-int-">setInputSize</a>, <a href="../../../org/opencv/dnn/Model.html#setInputSize-org.opencv.core.Size-">setInputSize</a>, <a href="../../../org/opencv/dnn/Model.html#setInputSwapRB-boolean-">setInputSwapRB</a>, <a href="../../../org/opencv/dnn/Model.html#setPreferableBackend-int-">setPreferableBackend</a>, <a href="../../../org/opencv/dnn/Model.html#setPreferableTarget-int-">setPreferableTarget</a></code></li>
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  247. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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  248. <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
    249. 

  249. </ul>
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  250. </li>
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  251. </ul>
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  263. <h3>Constructor Detail</h3>
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  264. <a name="TextDetectionModel_DB-org.opencv.dnn.Net-">
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  269. <h4>TextDetectionModel_DB</h4>
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  270. <pre>public&nbsp;TextDetectionModel_DB(<a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a>&nbsp;network)</pre>
    271. 

  271. <div class="block">Create text detection algorithm from deep learning network.</div>
    272. 

  272. <dl>
    273. 

  273. <dt><span class="paramLabel">Parameters:</span></dt>
    274. 

  274. <dd><code>network</code> - Net object.</dd>
    275. 

  275. </dl>
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  276. </li>
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  277. </ul>
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  278. <a name="TextDetectionModel_DB-java.lang.String-">
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  283. <h4>TextDetectionModel_DB</h4>
    284. 

  284. <pre>public&nbsp;TextDetectionModel_DB(java.lang.String&nbsp;model)</pre>
    285. 

  285. <div class="block">Create text detection model from network represented in one of the supported formats.
    286. 

  286.  An order of <code>model</code> and <code>config</code> arguments does not matter.</div>
    287. 

  287. <dl>
    288. 

  288. <dt><span class="paramLabel">Parameters:</span></dt>
    289. 

  289. <dd><code>model</code> - Binary file contains trained weights.</dd>
    290. 

  290. </dl>
    291. 

  291. </li>
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    293. 

  293. <a name="TextDetectionModel_DB-java.lang.String-java.lang.String-">
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  298. <h4>TextDetectionModel_DB</h4>
    299. 

  299. <pre>public&nbsp;TextDetectionModel_DB(java.lang.String&nbsp;model,
    300. 

  300.                              java.lang.String&nbsp;config)</pre>
    301. 

  301. <div class="block">Create text detection model from network represented in one of the supported formats.
    302. 

  302.  An order of <code>model</code> and <code>config</code> arguments does not matter.</div>
    303. 

  303. <dl>
    304. 

  304. <dt><span class="paramLabel">Parameters:</span></dt>
    305. 

  305. <dd><code>model</code> - Binary file contains trained weights.</dd>
    306. 

  306. <dd><code>config</code> - Text file contains network configuration.</dd>
    307. 

  307. </dl>
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  323. <h4>__fromPtr__</h4>
    324. 

  324. <pre>public static&nbsp;<a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a>&nbsp;__fromPtr__(long&nbsp;addr)</pre>
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  332. <h4>getBinaryThreshold</h4>
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  333. <pre>public&nbsp;float&nbsp;getBinaryThreshold()</pre>
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  341. <h4>getMaxCandidates</h4>
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  342. <pre>public&nbsp;int&nbsp;getMaxCandidates()</pre>
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  350. <h4>getPolygonThreshold</h4>
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  351. <pre>public&nbsp;float&nbsp;getPolygonThreshold()</pre>
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  359. <h4>getUnclipRatio</h4>
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  360. <pre>public&nbsp;double&nbsp;getUnclipRatio()</pre>
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  368. <h4>setBinaryThreshold</h4>
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  369. <pre>public&nbsp;<a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a>&nbsp;setBinaryThreshold(float&nbsp;binaryThreshold)</pre>
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  378. <pre>public&nbsp;<a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a>&nbsp;setMaxCandidates(int&nbsp;maxCandidates)</pre>
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  387. <pre>public&nbsp;<a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a>&nbsp;setPolygonThreshold(float&nbsp;polygonThreshold)</pre>
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  396. <pre>public&nbsp;<a href="../../../org/opencv/dnn/TextDetectionModel_DB.html" title="class in org.opencv.dnn">TextDetectionModel_DB</a>&nbsp;setUnclipRatio(double&nbsp;unclipRatio)</pre>
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