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Add in distance transform and watershed
Add in distance transform and watershed for Stephan
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| Release/ | ||
| jar/ | ||
| 2.0/ | ||
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| **/testing | ||
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| # ignore doc/notes.txt, but not doc/server/arch.txt | ||
| #doc/*.txt | ||
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| <?xml version="1.0" encoding="UTF-8"?> | ||
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| <!-- | ||
| * | ||
| * This help file was generated from imdistransf.sci using help_from_sci(). | ||
| * | ||
| --> | ||
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| <refentry version="5.0-subset Scilab" xml:id="imdistransf" xml:lang="en" | ||
| xmlns="http://docbook.org/ns/docbook" | ||
| xmlns:xlink="http://www.w3.org/1999/xlink" | ||
| xmlns:svg="http://www.w3.org/2000/svg" | ||
| xmlns:ns3="http://www.w3.org/1999/xhtml" | ||
| xmlns:mml="http://www.w3.org/1998/Math/MathML" | ||
| xmlns:scilab="http://www.scilab.org" | ||
| xmlns:db="http://docbook.org/ns/docbook"> | ||
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| <refnamediv> | ||
| <refname>imdistransf</refname> | ||
| <refpurpose>Distance Transform</refpurpose> | ||
| </refnamediv> | ||
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| <refsynopsisdiv> | ||
| <title>Syntax</title> | ||
| <synopsis> | ||
| imout = imdistransf(imin) | ||
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| </synopsis> | ||
| </refsynopsisdiv> | ||
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| <refsection> | ||
| <title>Parameters</title> | ||
| <variablelist> | ||
| <varlistentry> | ||
| <term>imin :</term> | ||
| <listitem><para> Input binary image or 8-bit, single-channel (binary)</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>method :</term> | ||
| <listitem><para> Distance type, l1, l2, or c where the setting shall correspond to 1, 2 and 3 respectively:</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>l1 :</term> | ||
| <listitem><para> distance = |x1-x2| + |y1-y2|, use 1</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>l2 :</term> | ||
| <listitem><para> the simple euclidean distance, use 2</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>c :</term> | ||
| <listitem><para> distance = max(|x1-x2|,|y1-y2|), use 3</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>imout :</term> | ||
| <listitem><para> Output image with calculated distances. It is a double precision single-channel image of the same size as input</para></listitem> | ||
| </varlistentry> | ||
| </variablelist> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Description</title> | ||
| <para> | ||
| This function used to calculates the distance to the closest zero pixel for each pixel of the source image. | ||
| </para> | ||
| <para> | ||
| </para> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Examples</title> | ||
| <programlisting role="example"><![CDATA[ | ||
| S = imread(fullpath(getIPCVpath() + "/images/three_objects.png")); | ||
| Sgray = rgb2gray(S); | ||
| Sb = im2bw(Sgray,0.1); | ||
| Sd = imdistransf(Sb); | ||
| subplot(211);imshow(Sb);subplot(212);imshow(Sd); | ||
| ]]></programlisting> | ||
| </refsection> | ||
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| <refsection role="see also"> | ||
| <title>See also</title> | ||
| <simplelist type="inline"> | ||
| <member><link linkend="imwatershed">imwatershed</link></member> | ||
| </simplelist> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Authors</title> | ||
| <simplelist type="vert"> | ||
| <member>Tan Chin Luh</member> | ||
| </simplelist> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Bibliography</title> | ||
| <para>1. OpenCV 4.1.2 Online Documentation</para> | ||
| </refsection> | ||
| </refentry> |
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| <?xml version="1.0" encoding="UTF-8"?> | ||
|
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| <!-- | ||
| * | ||
| * This help file was generated from imwatershed.sci using help_from_sci(). | ||
| * | ||
| --> | ||
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| <refentry version="5.0-subset Scilab" xml:id="imwatershed" xml:lang="en" | ||
| xmlns="http://docbook.org/ns/docbook" | ||
| xmlns:xlink="http://www.w3.org/1999/xlink" | ||
| xmlns:svg="http://www.w3.org/2000/svg" | ||
| xmlns:ns3="http://www.w3.org/1999/xhtml" | ||
| xmlns:mml="http://www.w3.org/1998/Math/MathML" | ||
| xmlns:scilab="http://www.scilab.org" | ||
| xmlns:db="http://docbook.org/ns/docbook"> | ||
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| <refnamediv> | ||
| <refname>imwatershed</refname> | ||
| <refpurpose>Performs a marker-based image segmentation using the watershed algorithm.</refpurpose> | ||
| </refnamediv> | ||
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| <refsynopsisdiv> | ||
| <title>Syntax</title> | ||
| <synopsis> | ||
| imout = imwatershed(imin) | ||
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| </synopsis> | ||
| </refsynopsisdiv> | ||
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| <refsection> | ||
| <title>Parameters</title> | ||
| <variablelist> | ||
| <varlistentry> | ||
| <term>imin :</term> | ||
| <listitem><para> Input 8-bit 3-channel image.</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>markers :</term> | ||
| <listitem><para> Double precision single-channel image (map) of markers. It should have the same size as image.</para></listitem> | ||
| </varlistentry> | ||
| <varlistentry> | ||
| <term>imout :</term> | ||
| <listitem><para> Output labelled image</para></listitem> | ||
| </varlistentry> | ||
| </variablelist> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Description</title> | ||
| <para> | ||
| The function implements one of the variants of watershed, non-parametric marker-based segmentation algorithm. | ||
| </para> | ||
| <para> | ||
| </para> | ||
| </refsection> | ||
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| <refsection> | ||
| <title>Examples</title> | ||
| <programlisting role="example"><![CDATA[ | ||
| S = imread(fullpath(getIPCVpath() + "/images/three_objects.png")); | ||
| Sgray = rgb2gray(S); | ||
| Sb = im2bw(Sgray,0.1); | ||
| Sd = imdistransf(Sb); | ||
| dist = Sd > 0.4; | ||
| [markers,n] = imlabel(dist); | ||
| markers(1:5,1:5) = 255; | ||
| Sw = imwatershed(S, markers); | ||
| imshow(Sw,hsvcolormap(3)); | ||
| ]]></programlisting> | ||
| </refsection> | ||
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| <refsection role="see also"> | ||
| <title>See also</title> | ||
| <simplelist type="inline"> | ||
| <member><link linkend="imdistransf">imdistransf</link></member> | ||
| </simplelist> | ||
| </refsection> | ||
|
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| <refsection> | ||
| <title>Authors</title> | ||
| <simplelist type="vert"> | ||
| <member>Tan Chin Luh</member> | ||
| </simplelist> | ||
| </refsection> | ||
|
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||
| <refsection> | ||
| <title>Bibliography</title> | ||
| <para>1. OpenCV 4.1.2 Online Documentation</para> | ||
| </refsection> | ||
| </refentry> |
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| JavaSearch 1.0 | ||
| TMAP bs=2048 rt=1 fl=-1 id1=2163 id2=1 | ||
| TMAP bs=2048 rt=1 fl=-1 id1=2189 id2=1 |
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| @@ -0,0 +1,97 @@ | ||
| <html><head> | ||
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | ||
| <title>imdistransf</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="imdct.html"><< imdct</a></span> | ||
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| </td> | ||
| <td width="40%" class="center"> | ||
| <span class="top"><a href="section_8adb84d26782c1d3a5d34be202e5d52c.html">Image Transforms</a></span> | ||
|
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| </td> | ||
| <td width="30%" class="next"> | ||
| <span class="next"><a href="imhough.html">imhough >></a></span> | ||
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| </td> | ||
| </tr></table> | ||
| <hr /> | ||
| </div> | ||
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| <span class="path" dir="ltr"><a href="index.html">IPCV</a> >> <a href="section_8adb84d26782c1d3a5d34be202e5d52c.html">Image Transforms</a> > imdistransf</span> | ||
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| <br /><br /> | ||
| <div class="refnamediv"><h1 class="refname">imdistransf</h1> | ||
| <p class="refpurpose">Distance Transform</p></div> | ||
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| <div class="refsynopsisdiv"><h3 class="title">Syntax</h3> | ||
| <div class="synopsis"><pre><span class="default">imout</span><span class="default"> = </span><span class="functionid">imdistransf</span><span class="default">(</span><span class="default">imin</span><span class="default">)</span></pre></div></div> | ||
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| <div class="refsection"><h3 class="title">Parameters</h3> | ||
| <dl><dt><span class="term">imin :</span> | ||
| <dd><p class="para">Input binary image or 8-bit, single-channel (binary)</p></dd></dt> | ||
| <dt><span class="term">method :</span> | ||
| <dd><p class="para">Distance type, l1, l2, or c where the setting shall correspond to 1, 2 and 3 respectively:</p></dd></dt> | ||
| <dt><span class="term">l1 :</span> | ||
| <dd><p class="para">distance = |x1-x2| + |y1-y2|, use 1</p></dd></dt> | ||
| <dt><span class="term">l2 :</span> | ||
| <dd><p class="para">the simple euclidean distance, use 2</p></dd></dt> | ||
| <dt><span class="term">c :</span> | ||
| <dd><p class="para">distance = max(|x1-x2|,|y1-y2|), use 3</p></dd></dt> | ||
| <dt><span class="term">imout :</span> | ||
| <dd><p class="para">Output image with calculated distances. It is a double precision single-channel image of the same size as input</p></dd></dt></dl></div> | ||
|
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| <div class="refsection"><h3 class="title">Description</h3> | ||
| <p class="para">This function used to calculates the distance to the closest zero pixel for each pixel of the source image.</p> | ||
| <p class="para"></p></div> | ||
|
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| <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">S</span> <span class="scilaboperator">=</span> <span class="scilabid">imread</span><span class="scilabopenclose">(</span><a class="scilabcommand" href="scilab://fullpath">fullpath</a><span class="scilabopenclose">(</span><span class="scilabid">getIPCVpath</span><span class="scilabopenclose">(</span><span class="scilabopenclose">)</span> <span class="scilaboperator">+</span> <span class="scilabstring">"</span><span class="scilabstring">/images/three_objects.png</span><span class="scilabstring">"</span><span class="scilabopenclose">)</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> | ||
| <span class="scilabid">Sgray</span> <span class="scilaboperator">=</span> <span class="scilabid">rgb2gray</span><span class="scilabopenclose">(</span><span class="scilabid">S</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> | ||
| <span class="scilabid">Sb</span> <span class="scilaboperator">=</span> <span class="scilabid">im2bw</span><span class="scilabopenclose">(</span><span class="scilabid">Sgray</span><span class="scilabdefault">,</span><span class="scilabnumber">0.1</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> | ||
| <span class="scilabid">Sd</span> <span class="scilaboperator">=</span> <span class="scilabid">imdistransf</span><span class="scilabopenclose">(</span><span class="scilabid">Sb</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> | ||
| <a class="scilabmacro" href="scilab://subplot">subplot</a><span class="scilabopenclose">(</span><span class="scilabnumber">211</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span><span class="scilabid">imshow</span><span class="scilabopenclose">(</span><span class="scilabid">Sb</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span><a class="scilabmacro" href="scilab://subplot">subplot</a><span class="scilabopenclose">(</span><span class="scilabnumber">212</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span><span class="scilabid">imshow</span><span class="scilabopenclose">(</span><span class="scilabid">Sd</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> | ||
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| <div class="refsection"><h3 class="title">See also</h3> | ||
| <ul class="itemizedlist"><li class="member"><a href="imwatershed.html" class="link">imwatershed</a> — Performs a marker-based image segmentation using the watershed algorithm.</li></ul></div> | ||
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| <div class="refsection"><h3 class="title">Authors</h3> | ||
| <ul class="itemizedlist"><li class="member">Tan Chin Luh</li></ul></div> | ||
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| <div class="refsection"><h3 class="title">Bibliography</h3> | ||
| <p class="para">1. OpenCV 4.1.2 Online Documentation</p></div> | ||
| <br /> | ||
|
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||
| <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="imdct.html"><< imdct</a></span> | ||
|
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| </td> | ||
| <td width="40%" class="center"> | ||
| <span class="top"><a href="section_8adb84d26782c1d3a5d34be202e5d52c.html">Image Transforms</a></span> | ||
|
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| </td> | ||
| <td width="30%" class="next"> | ||
| <span class="next"><a href="imhough.html">imhough >></a></span> | ||
|
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| </td> | ||
| </tr></table> | ||
| <hr /> | ||
| </div> | ||
| </body> | ||
| </html> |
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