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| enable OpenCV feature |
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| <p class="shortcomment cmt">Pad image border with OpenCV.</p><div class="fullcomment"><div class="comment cmt"><p>Pad image border with OpenCV.</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>source image</p></dd><dt class="param">top</dt><dd class="cmt"><p>Top margin.</p></dd><dt class="param">bot</dt><dd class="cmt"><p>Bottom margin.</p></dd><dt class="param">left</dt><dd class="cmt"><p>Left margin.</p></dd><dt class="param">right</dt><dd class="cmt"><p>Right margin.</p></dd><dt class="param">typeOf</dt><dd class="cmt"><p>Filling type (default=cv2.BORDER_CONSTANT).</p></dd><dt class="param">value</dt><dd class="cmt"><p>(Deprecated! Use <code><code>values</code></code> instead.) Fill with single value.</p></dd><dt class="param">values</dt><dd class="cmt"><p>Fill with value(RGB[A] or gray), up to 4 channels.</p></dd><dt class="param">out</dt><dd class="cmt"><p>NDArray to store the output</p></dd><dt>returns</dt><dd class="cmt"><p>org.apache.mxnet.NDArray</p></dd></dl></div> |
| </li><li name="org.apache.mxnet.Image#drawBoundingBox" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="drawBoundingBox(src:java.awt.image.BufferedImage,coordinate:Array[Map[String,Int]],names:Option[Array[String]],stroke:Option[Int],fontSizeMult:Option[Float],transparency:Option[Float]):Unit"></a> |
| <a id="drawBoundingBox(BufferedImage,Array[Map[String,Int]],Option[Array[String]],Option[Int],Option[Float],Option[Float]):Unit"></a> |
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| <span class="name">drawBoundingBox</span><span class="params">(<span name="src">src: <span class="extype" name="java.awt.image.BufferedImage">BufferedImage</span></span>, <span name="coordinate">coordinate: <span class="extype" name="scala.Array">Array</span>[<span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="scala.Predef.String">String</span>, <span class="extype" name="scala.Int">Int</span>]]</span>, <span name="names">names: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Array">Array</span>[<span class="extype" name="scala.Predef.String">String</span>]] = <span class="symbol">None</span></span>, <span name="stroke">stroke: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Int">Int</span>] = <span class="symbol">Some(3)</span></span>, <span name="fontSizeMult">fontSizeMult: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Float">Float</span>] = <span class="symbol">Some(1.0f)</span></span>, <span name="transparency">transparency: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Float">Float</span>] = <span class="symbol">Some(1.0f)</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <p class="shortcomment cmt">Method to draw bounding boxes for an image</p><div class="fullcomment"><div class="comment cmt"><p>Method to draw bounding boxes for an image</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>Source of the buffered image</p></dd><dt class="param">coordinate</dt><dd class="cmt"><p>Contains Map of xmin, xmax, ymin, ymax |
| corresponding to top-left and down-right points</p></dd><dt class="param">names</dt><dd class="cmt"><p>The name set of the bounding box</p></dd><dt class="param">stroke</dt><dd class="cmt"><p>Thickness of the bounding box</p></dd><dt class="param">fontSizeMult</dt><dd class="cmt"><p>Font size multiplier</p></dd><dt class="param">transparency</dt><dd class="cmt"><p>Transparency of the bounding box</p></dd></dl></div> |
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| <p class="shortcomment cmt">Do a fixed crop on the image</p><div class="fullcomment"><div class="comment cmt"><p>Do a fixed crop on the image</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>Src image in NDArray</p></dd><dt class="param">x0</dt><dd class="cmt"><p>starting x point</p></dd><dt class="param">y0</dt><dd class="cmt"><p>starting y point</p></dd><dt class="param">w</dt><dd class="cmt"><p>width of the image</p></dd><dt class="param">h</dt><dd class="cmt"><p>height of the image</p></dd><dt>returns</dt><dd class="cmt"><p>cropped NDArray</p></dd></dl></div> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="org.apache.mxnet.Image#imDecode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="imDecode(inputStream:java.io.InputStream,flag:Int,to_rgb:Boolean,out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray"></a> |
| <a id="imDecode(InputStream,Int,Boolean,Option[NDArray]):NDArray"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">imDecode</span><span class="params">(<span name="inputStream">inputStream: <span class="extype" name="java.io.InputStream">InputStream</span></span>, <span name="flag">flag: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span name="to_rgb">to_rgb: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>, <span name="out">out: <span class="extype" name="scala.Option">Option</span>[<a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">None</span></span>)</span><span class="result">: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../index.html#org.apache.mxnet.Image$@imDecode(inputStream:java.io.InputStream,flag:Int,to_rgb:Boolean,out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray" title="Permalink" target="_top"> |
| <img src="../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Same imageDecode with InputStream</p><div class="fullcomment"><div class="comment cmt"><p>Same imageDecode with InputStream</p></div><dl class="paramcmts block"><dt class="param">inputStream</dt><dd class="cmt"><p>the inputStream of the image</p></dd><dt class="param">flag</dt><dd class="cmt"><p>Convert decoded image to grayscale (0) or color (1).</p></dd><dt class="param">to_rgb</dt><dd class="cmt"><p>Whether to convert decoded image |
| to mxnet's default RGB format (instead of opencv's default BGR).</p></dd><dt class="param">out</dt><dd class="cmt"><p>NDArray to store the output</p></dd><dt>returns</dt><dd class="cmt"><p>NDArray in HWC format with DType <a href="DType$.html#UInt8:org.apache.mxnet.DType.Value" class="extmbr" name="org.apache.mxnet.DType#UInt8">DType.UInt8</a></p></dd></dl></div> |
| </li><li name="org.apache.mxnet.Image#imDecode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="imDecode(buf:Array[Byte],flag:Int,to_rgb:Boolean,out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray"></a> |
| <a id="imDecode(Array[Byte],Int,Boolean,Option[NDArray]):NDArray"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">imDecode</span><span class="params">(<span name="buf">buf: <span class="extype" name="scala.Array">Array</span>[<span class="extype" name="scala.Byte">Byte</span>]</span>, <span name="flag">flag: <span class="extype" name="scala.Int">Int</span></span>, <span name="to_rgb">to_rgb: <span class="extype" name="scala.Boolean">Boolean</span></span>, <span name="out">out: <span class="extype" name="scala.Option">Option</span>[<a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]</span>)</span><span class="result">: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../index.html#org.apache.mxnet.Image$@imDecode(buf:Array[Byte],flag:Int,to_rgb:Boolean,out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray" title="Permalink" target="_top"> |
| <img src="../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Decode image with OpenCV.</p><div class="fullcomment"><div class="comment cmt"><p>Decode image with OpenCV. |
| Note: return image in RGB by default, instead of OpenCV's default BGR.</p></div><dl class="paramcmts block"><dt class="param">buf</dt><dd class="cmt"><p>Buffer containing binary encoded image</p></dd><dt class="param">flag</dt><dd class="cmt"><p>Convert decoded image to grayscale (0) or color (1).</p></dd><dt class="param">to_rgb</dt><dd class="cmt"><p>Whether to convert decoded image |
| to mxnet's default RGB format (instead of opencv's default BGR).</p></dd><dt class="param">out</dt><dd class="cmt"><p>NDArray to store the output</p></dd><dt>returns</dt><dd class="cmt"><p>NDArray in HWC format with DType <a href="DType$.html#UInt8:org.apache.mxnet.DType.Value" class="extmbr" name="org.apache.mxnet.DType#UInt8">DType.UInt8</a></p></dd></dl></div> |
| </li><li name="org.apache.mxnet.Image#imRead" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="imRead(filename:String,flag:Option[Int],to_rgb:Option[Boolean],out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray"></a> |
| <a id="imRead(String,Option[Int],Option[Boolean],Option[NDArray]):NDArray"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">imRead</span><span class="params">(<span name="filename">filename: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="flag">flag: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Int">Int</span>] = <span class="symbol">None</span></span>, <span name="to_rgb">to_rgb: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Boolean">Boolean</span>] = <span class="symbol">None</span></span>, <span name="out">out: <span class="extype" name="scala.Option">Option</span>[<a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">None</span></span>)</span><span class="result">: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../index.html#org.apache.mxnet.Image$@imRead(filename:String,flag:Option[Int],to_rgb:Option[Boolean],out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray" title="Permalink" target="_top"> |
| <img src="../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Read and decode image with OpenCV.</p><div class="fullcomment"><div class="comment cmt"><p>Read and decode image with OpenCV. |
| Note: return image in RGB by default, instead of OpenCV's default BGR.</p></div><dl class="paramcmts block"><dt class="param">filename</dt><dd class="cmt"><p>Name of the image file to be loaded.</p></dd><dt class="param">flag</dt><dd class="cmt"><p>Convert decoded image to grayscale (0) or color (1).</p></dd><dt class="param">to_rgb</dt><dd class="cmt"><p>Whether to convert decoded image to mxnet's default RGB format |
| (instead of opencv's default BGR).</p></dd><dt class="param">out</dt><dd class="cmt"><p>NDArray to store the output</p></dd><dt>returns</dt><dd class="cmt"><p>org.apache.mxnet.NDArray in HWC format with DType <a href="DType$.html#UInt8:org.apache.mxnet.DType.Value" class="extmbr" name="org.apache.mxnet.DType#UInt8">DType.UInt8</a></p></dd></dl></div> |
| </li><li name="org.apache.mxnet.Image#imResize" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="imResize(src:org.apache.mxnet.NDArray,w:Int,h:Int,interp:Option[Int],out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray"></a> |
| <a id="imResize(NDArray,Int,Int,Option[Int],Option[NDArray]):NDArray"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">imResize</span><span class="params">(<span name="src">src: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span>, <span name="w">w: <span class="extype" name="scala.Int">Int</span></span>, <span name="h">h: <span class="extype" name="scala.Int">Int</span></span>, <span name="interp">interp: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Int">Int</span>] = <span class="symbol">None</span></span>, <span name="out">out: <span class="extype" name="scala.Option">Option</span>[<a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">None</span></span>)</span><span class="result">: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../index.html#org.apache.mxnet.Image$@imResize(src:org.apache.mxnet.NDArray,w:Int,h:Int,interp:Option[Int],out:Option[org.apache.mxnet.NDArray]):org.apache.mxnet.NDArray" title="Permalink" target="_top"> |
| <img src="../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Resize image with OpenCV.</p><div class="fullcomment"><div class="comment cmt"><p>Resize image with OpenCV.</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>source image in NDArray</p></dd><dt class="param">w</dt><dd class="cmt"><p>Width of resized image.</p></dd><dt class="param">h</dt><dd class="cmt"><p>Height of resized image.</p></dd><dt class="param">interp</dt><dd class="cmt"><p>Interpolation method (default=cv2.INTER_LINEAR).</p></dd><dt class="param">out</dt><dd class="cmt"><p>NDArray to store the output</p></dd><dt>returns</dt><dd class="cmt"><p>org.apache.mxnet.NDArray</p></dd></dl></div> |
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| </li><li name="org.apache.mxnet.Image#toImage" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="toImage(src:org.apache.mxnet.NDArray):java.awt.image.BufferedImage"></a> |
| <a id="toImage(NDArray):BufferedImage"></a> |
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| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">toImage</span><span class="params">(<span name="src">src: <a href="NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a></span>)</span><span class="result">: <span class="extype" name="java.awt.image.BufferedImage">BufferedImage</span></span> |
| </span> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Convert a NDArray image to a real image |
| The time cost will increase if the image resolution is big</p><div class="fullcomment"><div class="comment cmt"><p>Convert a NDArray image to a real image |
| The time cost will increase if the image resolution is big</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>Source image file in RGB</p></dd><dt>returns</dt><dd class="cmt"><p>Buffered Image</p></dd></dl></div> |
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