AffineFeature.html 23 KB

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  7. <title>AffineFeature (OpenCV 4.8.0 Java documentation)</title>
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  103. <div class="header">
  104. <div class="subTitle">org.opencv.features2d</div>
  105. <h2 title="Class AffineFeature" class="title">Class AffineFeature</h2>
  106. </div>
  107. <div class="contentContainer">
  108. <ul class="inheritance">
  109. <li>java.lang.Object</li>
  110. <li>
  111. <ul class="inheritance">
  112. <li><a href="../../../org/opencv/core/Algorithm.html" title="class in org.opencv.core">org.opencv.core.Algorithm</a></li>
  113. <li>
  114. <ul class="inheritance">
  115. <li><a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">org.opencv.features2d.Feature2D</a></li>
  116. <li>
  117. <ul class="inheritance">
  118. <li>org.opencv.features2d.AffineFeature</li>
  119. </ul>
  120. </li>
  121. </ul>
  122. </li>
  123. </ul>
  124. </li>
  125. </ul>
  126. <div class="description">
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  129. <hr>
  130. <br>
  131. <pre>public class <span class="typeNameLabel">AffineFeature</span>
  132. extends <a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a></pre>
  133. <div class="block">Class for implementing the wrapper which makes detectors and extractors to be affine invariant,
  134. described as ASIFT in CITE: YM11 .</div>
  135. </li>
  136. </ul>
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  146. <h3>Method Summary</h3>
  147. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
  148. <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>
  149. <tr>
  150. <th class="colFirst" scope="col">Modifier and Type</th>
  151. <th class="colLast" scope="col">Method and Description</th>
  152. </tr>
  153. <tr id="i0" class="altColor">
  154. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  155. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long&nbsp;addr)</code>&nbsp;</td>
  156. </tr>
  157. <tr id="i1" class="rowColor">
  158. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  159. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#create-org.opencv.features2d.Feature2D-">create</a></span>(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend)</code>&nbsp;</td>
  160. </tr>
  161. <tr id="i2" class="altColor">
  162. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  163. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#create-org.opencv.features2d.Feature2D-int-">create</a></span>(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  164. int&nbsp;maxTilt)</code>&nbsp;</td>
  165. </tr>
  166. <tr id="i3" class="rowColor">
  167. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  168. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#create-org.opencv.features2d.Feature2D-int-int-">create</a></span>(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  169. int&nbsp;maxTilt,
  170. int&nbsp;minTilt)</code>&nbsp;</td>
  171. </tr>
  172. <tr id="i4" class="altColor">
  173. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  174. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#create-org.opencv.features2d.Feature2D-int-int-float-">create</a></span>(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  175. int&nbsp;maxTilt,
  176. int&nbsp;minTilt,
  177. float&nbsp;tiltStep)</code>&nbsp;</td>
  178. </tr>
  179. <tr id="i5" class="rowColor">
  180. <td class="colFirst"><code>static <a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a></code></td>
  181. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#create-org.opencv.features2d.Feature2D-int-int-float-float-">create</a></span>(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  182. int&nbsp;maxTilt,
  183. int&nbsp;minTilt,
  184. float&nbsp;tiltStep,
  185. float&nbsp;rotateStepBase)</code>&nbsp;</td>
  186. </tr>
  187. <tr id="i6" class="altColor">
  188. <td class="colFirst"><code>java.lang.String</code></td>
  189. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#getDefaultName--">getDefaultName</a></span>()</code>
  190. <div class="block">Returns the algorithm string identifier.</div>
  191. </td>
  192. </tr>
  193. <tr id="i7" class="rowColor">
  194. <td class="colFirst"><code>void</code></td>
  195. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#getViewParams-org.opencv.core.MatOfFloat-org.opencv.core.MatOfFloat-">getViewParams</a></span>(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;tilts,
  196. <a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;rolls)</code>&nbsp;</td>
  197. </tr>
  198. <tr id="i8" class="altColor">
  199. <td class="colFirst"><code>void</code></td>
  200. <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/features2d/AffineFeature.html#setViewParams-org.opencv.core.MatOfFloat-org.opencv.core.MatOfFloat-">setViewParams</a></span>(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;tilts,
  201. <a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;rolls)</code>&nbsp;</td>
  202. </tr>
  203. </table>
  204. <ul class="blockList">
  205. <li class="blockList"><a name="methods.inherited.from.class.org.opencv.features2d.Feature2D">
  206. <!-- -->
  207. </a>
  208. <h3>Methods inherited from class&nbsp;org.opencv.features2d.<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a></h3>
  209. <code><a href="../../../org/opencv/features2d/Feature2D.html#compute-java.util.List-java.util.List-java.util.List-">compute</a>, <a href="../../../org/opencv/features2d/Feature2D.html#compute-org.opencv.core.Mat-org.opencv.core.MatOfKeyPoint-org.opencv.core.Mat-">compute</a>, <a href="../../../org/opencv/features2d/Feature2D.html#defaultNorm--">defaultNorm</a>, <a href="../../../org/opencv/features2d/Feature2D.html#descriptorSize--">descriptorSize</a>, <a href="../../../org/opencv/features2d/Feature2D.html#descriptorType--">descriptorType</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detect-java.util.List-java.util.List-">detect</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detect-java.util.List-java.util.List-java.util.List-">detect</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detect-org.opencv.core.Mat-org.opencv.core.MatOfKeyPoint-">detect</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detect-org.opencv.core.Mat-org.opencv.core.MatOfKeyPoint-org.opencv.core.Mat-">detect</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detectAndCompute-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.MatOfKeyPoint-org.opencv.core.Mat-">detectAndCompute</a>, <a href="../../../org/opencv/features2d/Feature2D.html#detectAndCompute-org.opencv.core.Mat-org.opencv.core.Mat-org.opencv.core.MatOfKeyPoint-org.opencv.core.Mat-boolean-">detectAndCompute</a>, <a href="../../../org/opencv/features2d/Feature2D.html#empty--">empty</a>, <a href="../../../org/opencv/features2d/Feature2D.html#read-java.lang.String-">read</a>, <a href="../../../org/opencv/features2d/Feature2D.html#write-java.lang.String-">write</a></code></li>
  210. </ul>
  211. <ul class="blockList">
  212. <li class="blockList"><a name="methods.inherited.from.class.org.opencv.core.Algorithm">
  213. <!-- -->
  214. </a>
  215. <h3>Methods inherited from class&nbsp;org.opencv.core.<a href="../../../org/opencv/core/Algorithm.html" title="class in org.opencv.core">Algorithm</a></h3>
  216. <code><a href="../../../org/opencv/core/Algorithm.html#clear--">clear</a>, <a href="../../../org/opencv/core/Algorithm.html#getNativeObjAddr--">getNativeObjAddr</a>, <a href="../../../org/opencv/core/Algorithm.html#save-java.lang.String-">save</a></code></li>
  217. </ul>
  218. <ul class="blockList">
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  220. <!-- -->
  221. </a>
  222. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>
  223. <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
  224. </ul>
  225. </li>
  226. </ul>
  227. </li>
  228. </ul>
  229. </div>
  230. <div class="details">
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  233. <!-- ============ METHOD DETAIL ========== -->
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  236. <!-- -->
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  238. <h3>Method Detail</h3>
  239. <a name="Z:Z__fromPtr__-long-">
  240. <!-- -->
  241. </a>
  242. <ul class="blockList">
  243. <li class="blockList">
  244. <h4>__fromPtr__</h4>
  245. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;__fromPtr__(long&nbsp;addr)</pre>
  246. </li>
  247. </ul>
  248. <a name="create-org.opencv.features2d.Feature2D-">
  249. <!-- -->
  250. </a>
  251. <ul class="blockList">
  252. <li class="blockList">
  253. <h4>create</h4>
  254. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;create(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend)</pre>
  255. <dl>
  256. <dt><span class="paramLabel">Parameters:</span></dt>
  257. <dd><code>backend</code> - The detector/extractor you want to use as backend.</dd>
  258. <dt><span class="returnLabel">Returns:</span></dt>
  259. <dd>automatically generated</dd>
  260. </dl>
  261. </li>
  262. </ul>
  263. <a name="create-org.opencv.features2d.Feature2D-int-">
  264. <!-- -->
  265. </a>
  266. <ul class="blockList">
  267. <li class="blockList">
  268. <h4>create</h4>
  269. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;create(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  270. int&nbsp;maxTilt)</pre>
  271. <dl>
  272. <dt><span class="paramLabel">Parameters:</span></dt>
  273. <dd><code>backend</code> - The detector/extractor you want to use as backend.</dd>
  274. <dd><code>maxTilt</code> - The highest power index of tilt factor. 5 is used in the paper as tilt sampling range n.</dd>
  275. <dt><span class="returnLabel">Returns:</span></dt>
  276. <dd>automatically generated</dd>
  277. </dl>
  278. </li>
  279. </ul>
  280. <a name="create-org.opencv.features2d.Feature2D-int-int-">
  281. <!-- -->
  282. </a>
  283. <ul class="blockList">
  284. <li class="blockList">
  285. <h4>create</h4>
  286. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;create(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  287. int&nbsp;maxTilt,
  288. int&nbsp;minTilt)</pre>
  289. <dl>
  290. <dt><span class="paramLabel">Parameters:</span></dt>
  291. <dd><code>backend</code> - The detector/extractor you want to use as backend.</dd>
  292. <dd><code>maxTilt</code> - The highest power index of tilt factor. 5 is used in the paper as tilt sampling range n.</dd>
  293. <dd><code>minTilt</code> - The lowest power index of tilt factor. 0 is used in the paper.</dd>
  294. <dt><span class="returnLabel">Returns:</span></dt>
  295. <dd>automatically generated</dd>
  296. </dl>
  297. </li>
  298. </ul>
  299. <a name="create-org.opencv.features2d.Feature2D-int-int-float-">
  300. <!-- -->
  301. </a>
  302. <ul class="blockList">
  303. <li class="blockList">
  304. <h4>create</h4>
  305. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;create(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  306. int&nbsp;maxTilt,
  307. int&nbsp;minTilt,
  308. float&nbsp;tiltStep)</pre>
  309. <dl>
  310. <dt><span class="paramLabel">Parameters:</span></dt>
  311. <dd><code>backend</code> - The detector/extractor you want to use as backend.</dd>
  312. <dd><code>maxTilt</code> - The highest power index of tilt factor. 5 is used in the paper as tilt sampling range n.</dd>
  313. <dd><code>minTilt</code> - The lowest power index of tilt factor. 0 is used in the paper.</dd>
  314. <dd><code>tiltStep</code> - Tilt sampling step \(\delta_t\) in Algorithm 1 in the paper.</dd>
  315. <dt><span class="returnLabel">Returns:</span></dt>
  316. <dd>automatically generated</dd>
  317. </dl>
  318. </li>
  319. </ul>
  320. <a name="create-org.opencv.features2d.Feature2D-int-int-float-float-">
  321. <!-- -->
  322. </a>
  323. <ul class="blockList">
  324. <li class="blockList">
  325. <h4>create</h4>
  326. <pre>public static&nbsp;<a href="../../../org/opencv/features2d/AffineFeature.html" title="class in org.opencv.features2d">AffineFeature</a>&nbsp;create(<a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a>&nbsp;backend,
  327. int&nbsp;maxTilt,
  328. int&nbsp;minTilt,
  329. float&nbsp;tiltStep,
  330. float&nbsp;rotateStepBase)</pre>
  331. <dl>
  332. <dt><span class="paramLabel">Parameters:</span></dt>
  333. <dd><code>backend</code> - The detector/extractor you want to use as backend.</dd>
  334. <dd><code>maxTilt</code> - The highest power index of tilt factor. 5 is used in the paper as tilt sampling range n.</dd>
  335. <dd><code>minTilt</code> - The lowest power index of tilt factor. 0 is used in the paper.</dd>
  336. <dd><code>tiltStep</code> - Tilt sampling step \(\delta_t\) in Algorithm 1 in the paper.</dd>
  337. <dd><code>rotateStepBase</code> - Rotation sampling step factor b in Algorithm 1 in the paper.</dd>
  338. <dt><span class="returnLabel">Returns:</span></dt>
  339. <dd>automatically generated</dd>
  340. </dl>
  341. </li>
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  343. <a name="getDefaultName--">
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  348. <h4>getDefaultName</h4>
  349. <pre>public&nbsp;java.lang.String&nbsp;getDefaultName()</pre>
  350. <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../org/opencv/core/Algorithm.html#getDefaultName--">Algorithm</a></code></span></div>
  351. <div class="block">Returns the algorithm string identifier.
  352. This string is used as top level xml/yml node tag when the object is saved to a file or string.</div>
  353. <dl>
  354. <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
  355. <dd><code><a href="../../../org/opencv/features2d/Feature2D.html#getDefaultName--">getDefaultName</a></code>&nbsp;in class&nbsp;<code><a href="../../../org/opencv/features2d/Feature2D.html" title="class in org.opencv.features2d">Feature2D</a></code></dd>
  356. <dt><span class="returnLabel">Returns:</span></dt>
  357. <dd>automatically generated</dd>
  358. </dl>
  359. </li>
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  361. <a name="getViewParams-org.opencv.core.MatOfFloat-org.opencv.core.MatOfFloat-">
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  366. <h4>getViewParams</h4>
  367. <pre>public&nbsp;void&nbsp;getViewParams(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;tilts,
  368. <a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;rolls)</pre>
  369. </li>
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  377. <pre>public&nbsp;void&nbsp;setViewParams(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;tilts,
  378. <a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a>&nbsp;rolls)</pre>
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