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diff --git a/help/en_US/scilab_en_US_help/CV_Canny.html b/help/en_US/scilab_en_US_help/CV_Canny.html new file mode 100644 index 00000000..dbf3ffc6 --- /dev/null +++ b/help/en_US/scilab_en_US_help/CV_Canny.html @@ -0,0 +1,95 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>CV_Canny</title> + <style type="text/css" media="all"> + @import url("scilab_code.css"); + @import url("xml_code.css"); + @import url("c_code.css"); + @import url("style.css"); + </style> + </head> + <body> + <div class="manualnavbar"> + <table width="100%"><tr> + <td width="30%"> + <span class="previous"><a href="CV_Blur.html"><< CV_Blur</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_c4a64b600f61b91c1ebf30f1b892cb10.html">Scilab 2 C Converter</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="CV_CornerHarris.html">CV_CornerHarris >></a></span> + + </td> + </tr></table> + <hr /> + </div> + + + + <span class="path"><a href="index.html">Scilab 2 C Converter</a> >> <a href="section_c4a64b600f61b91c1ebf30f1b892cb10.html">Scilab 2 C Converter</a> > CV_Canny</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">CV_Canny</h1> + <p class="refpurpose">Finds edges in image using Canny algorithm</p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="default">edges</span><span class="default"> = </span><span class="functionid">CV_Canny</span><span class="default">(</span><span class="default">srcimg</span><span class="default">,</span><span class="default">threhold1</span><span class="default">,</span><span class="default">threshold2</span><span class="default">,</span><span class="default">aperture_size</span><span class="default">,</span><span class="default">L2gradient</span><span class="default">)</span></pre></div></div> + +<div class="refsection"><h3 class="title">Parameters</h3> + <dl><dt><span class="term">srcimg :</span> + <dd><p class="para">single-channel 8-bit input image.</p></dd></dt> + <dt><span class="term">threshold1 :</span> + <dd><p class="para">first threshold for the hysteresis procedure.</p></dd></dt> + <dt><span class="term">threshold2 :</span> + <dd><p class="para">second threshold for the hysteresis procedure.</p></dd></dt> + <dt><span class="term">aperture_size :</span> + <dd><p class="para">aperture size for the Sobel() operator.</p></dd></dt> + <dt><span class="term">L2gradient :</span> + <dd><p class="para">a flag, indicating whether a more accurate</p></dd></dt></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">This function can be used for finding edes in single channel 8 bit +image. 'aperture_size' and 'L2gradient' are optionals. By default, +aperture_size is 3 and L2gradient is false.</p> + <p class="para">For L2gradient: L_2 norm =sqrt{(dI/dx)^2 + (dI/dy)^2} should be used to calculate the image gradient magnitude (L2gradient=1 ), or whether the default L_1 norm =|dI/dx|+|dI/dy| is enough (L2gradient=0).</p> + <p class="para">This is curretly dummy function. It provides no functionality but is required +for providing support for generating C code for OpenCV</p> + <p class="para"></p></div> + +<div class="refsection"><h3 class="title">Examples</h3> + <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">img</span> <span class="scilaboperator">=</span> <span class="scilabid">CV_LoadImage</span><span class="scilabopenclose">(</span><span class="scilabstring">'</span><span class="scilabstring">~/test.jpg</span><span class="scilabstring">'</span><span class="scilabdefault">,</span><span class="scilabnumber">0</span><span class="scilabopenclose">)</span> +<a class="scilabcommand" href="scilab://dst">dst</a> <span class="scilabstring">=</span> <span class="scilabstring">CV_CvtColor(img</span><span class="scilabdefault">,</span><span class="scilabstring">"</span><span class="scilabstring">CV_RGB2GRAY</span><span class="scilabstring">"</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> +<span class="scilabid">edge</span> <span class="scilaboperator">=</span> <span class="scilabid">CV_Canny</span><span class="scilabopenclose">(</span><a class="scilabcommand" href="scilab://dst">dst</a><span class="scilabdefault">,</span><span class="scilabnumber">50</span><span class="scilabdefault">,</span><span class="scilabnumber">100</span><span class="scilabdefault">,</span><span class="scilabnumber">3</span><span class="scilabdefault">,</span><span class="scilabnumber">0</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div> + +<div class="refsection"><h3 class="title">See also</h3> + <ul class="itemizedlist"><li class="member"><a href="CV_LoadImage.html" class="link">CV_CvtColor</a></li></ul></div> + +<div class="refsection"><h3 class="title">Authors</h3> + <ul class="itemizedlist"><li class="member">Siddhesh Wani</li></ul></div> + <br /> + + <div class="manualnavbar"> + <table width="100%"> + <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr> +<tr> + <td width="30%"> + <span class="previous"><a href="CV_Blur.html"><< CV_Blur</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_c4a64b600f61b91c1ebf30f1b892cb10.html">Scilab 2 C Converter</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="CV_CornerHarris.html">CV_CornerHarris >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |