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<title>mmdchickparts</title>
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<td class="title">Demonstrations</td>
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</table>
<h1>mmdchickparts
<br>
<span class="subtitle">Classify chicken parts in breast, legs+tights and wings
</span>
</h1>
<div class="descr">
<H2>Description</H2>
<div class="H2">
<p>
The input image is a gray-scale image of many different chicken parts. The purpose is to classify them in breast, legs+tights, tights and wings.
</p>
</div>
</div>
<div class="script">
<H2>Demo Script</H2>
<div class="H2">
<div class="slide">
<H3>Reading</H3>
<div class="H3">
<p>
<p>
The input image is read.
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> a = mmreadgray('chickparts.tif');</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(a);</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_001.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_001.jpg">a</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="slide">
<H3>Thresholding and labeling</H3>
<div class="H3">
<p>
<p>
Convert to binary objects by thresholding and then labeling the objects.
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> b = mmcmp(a,'>=', uint8(100));</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(b);</pre>
<pre class="computer"></pre>
<pre class="user">>>> c = mmlabel(b);</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmlblshow(c,'border');</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_002.jpg"></td>
<td><img width="320" src="../images/img_mmdchickparts_003.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_002.jpg">b</a></td>
<td><a href="../images/img_mmdchickparts_003.jpg">c,'border'</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="slide">
<H3>Area measurement</H3>
<div class="H3">
<p>
<p>
Measure the area o each object and put this value as the pixel object value. For displaying purpose, overlay the background as red in the right image below.
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> d = mmblob(c,'area');</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(d);</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(d, mmcmp(d,'==',0));</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_004.jpg"></td>
<td><img width="320" src="../images/img_mmdchickparts_005.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_004.jpg">d</a></td>
<td><a href="../images/img_mmdchickparts_005.jpg">d, mmcmp(d,'==',0)</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="slide">
<H3>Select the wings and tights</H3>
<div class="H3">
<p>
<p>
The wings are detected by finding objects with area 100 and 2500 pixels. The tights are selected as connected objects with area between 2500 and 5500 pixels.
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> wings = mmcmp( uint16(100),'<=',d, '<=', uint16(2500));</pre>
<pre class="computer">Warning: Converting input image from int32 to uint16.
Warning: Converting input image from int32 to uint16.</pre>
<pre class="user">>>> mmshow(wings);</pre>
<pre class="computer"></pre>
<pre class="user">>>> tights = mmcmp( uint16(2500),'<',d, '<=', uint16(5500));</pre>
<pre class="computer">Warning: Converting input image from int32 to uint16.
Warning: Converting input image from int32 to uint16.</pre>
<pre class="user">>>> mmshow(tights);</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_006.jpg"></td>
<td><img width="320" src="../images/img_mmdchickparts_007.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_006.jpg">wings</a></td>
<td><a href="../images/img_mmdchickparts_007.jpg">tights</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="slide">
<H3>Select the legs and breast</H3>
<div class="H3">
<p>
<p>
The legs+tights have area larger than 5500 and smaller than 8500 pixels and the breast is the largest connected object with area larger than 8500 pixels
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> legs = mmcmp( uint16(5500), '<', d, '<=', uint16(8500));</pre>
<pre class="computer">Warning: Converting input image from int32 to uint16.
Warning: Converting input image from int32 to uint16.</pre>
<pre class="user">>>> mmshow(legs);</pre>
<pre class="computer"></pre>
<pre class="user">>>> breast = mmcmp( d,'>', uint16(8500));</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(breast);</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_008.jpg"></td>
<td><img width="320" src="../images/img_mmdchickparts_009.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_008.jpg">legs</a></td>
<td><a href="../images/img_mmdchickparts_009.jpg">breast</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="slide">
<H3>Final display</H3>
<div class="H3">
<p>
<p>
Overlay the contour of the detected parts over the original image
</p>
<div class="example">
<div class="listing">
<pre class="user">>>> mmshow(a, mmgradm(wings), mmgradm(tights), mmgradm(legs),mmgradm(breast));</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="320" src="../images/img_mmdchickparts_010.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mmdchickparts_010.jpg">a, mmgradm(wings), mmgradm(tights), mmgradm(legs),mmgradm(breast)</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
</div>
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<td class="copyright">Copyright (c) 2003, Roberto A. Lotufo, UNICAMP-University of Campinas; Rubens C. Machado, CenPRA-Renato Archer Research Center.</td>
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distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
4a71d9984febeb5a206904a5a379841a
>
files
>
617
