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<td class="title">Connected Operators</td>
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<h1>mminfrec
<br>
<span class="subtitle">Inf-reconstruction.
</span>
</h1>
<div class="synopsis">
<H2>Synopsis</H2>
<div class="H2">
<div class="prototype">y =
<span class="fun">mminfrec</span>(
<span class="par">f</span>,
<span class="par">g</span>,
<span class="par">bc</span> = None
)
</div>
<p>Implemented in
<b>Python.</b>
</p>
<div class="input">
<H3>Input</H3>
<div class="H3">
<table class="deflist">
<tbody valign="baseline">
<tr>
<td class="term"><span class="par">f</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmImage.html">Image</a></span> Gray-scale (uint8 or uint16) or binary image.
<p>Marker image.</p></td>
</tr>
<tr>
<td class="term"><span class="par">g</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmImage.html">Image</a></span> Gray-scale (uint8 or uint16) or binary image.
<p>Conditioning image.</p></td>
</tr>
<tr>
<td class="term"><span class="par">bc</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmSe.html">Structuring Element</a></span><p>Structuring element ( connectivity).</p><p>Default:
<code>None</code> (3x3 elementary cross)
</p></td>
</tr>
</tbody>
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</div>
</div>
<div class="output">
<H3>Output</H3>
<div class="H3">
<table class="deflist">
<tbody valign="baseline">
<tr>
<td class="term"><span class="par">y</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmImage.html">Image</a></span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div class="descr">
<H2>Description</H2>
<div class="H2">
<p>
<span class="fun">mminfrec</span> creates the image
<code>y</code> by an infinite number of recursive iterations (iterations until stability) of the dilation of
<code>f</code> by
<code>bc</code> conditioned to
<code>g</code>. We say the
<code>y</code> is the inf-reconstruction of
<code>g</code> from the marker
<code>f</code>. For algorithms and applications, see Vinc:93b.
</p>
</div>
</div>
<div class="examples">
<H2>Examples</H2>
<div class="H2">
<p>
<div class="bridge">Binary image:</div>
<div class="example">
<div class="listing">
<pre class="user">>>> g=mmreadgray('text_128.tif')</pre>
<pre class="computer"></pre>
<pre class="user">>>> f=mmero(g,mmseline(9,90))</pre>
<pre class="computer"></pre>
<pre class="user">>>> y=mminfrec(f,g,mmsebox())</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(g)</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(f)</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(y)</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="128" src="../images/img_mminfrec_001.jpg"></td>
<td><img width="128" src="../images/img_mminfrec_002.jpg"></td>
<td><img width="128" src="../images/img_mminfrec_003.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mminfrec_001.jpg">g</a></td>
<td><a href="../images/img_mminfrec_002.jpg">f</a></td>
<td><a href="../images/img_mminfrec_003.jpg">y</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
<div class="bridge">Gray-scale image:</div>
<div class="example">
<div class="listing">
<pre class="user">>>> g=mmneg(mmreadgray('n2538.tif'))</pre>
<pre class="computer"></pre>
<pre class="user">>>> f=mmintersec(g,0)</pre>
<pre class="computer">Warning: Converting input image from int32 to uint8.</pre>
<pre class="user">>>> f=mmdraw(f,'LINE:40,30,60,30:END')</pre>
<pre class="computer"></pre>
<pre class="user">>>> y30=mmcdil(f,g,mmsebox(),30)</pre>
<pre class="computer"></pre>
<pre class="user">>>> y=mminfrec(f,g,mmsebox())</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(g)</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(f)</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(y30)</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmshow(y)</pre>
<pre class="computer"></pre>
</div>
<table class="images">
<tbody align="center">
<tr class="image" valign="bottom">
<td><img width="128" src="../images/img_mminfrec_004.jpg"></td>
<td><img width="128" src="../images/img_mminfrec_005.jpg"></td>
<td><img width="128" src="../images/img_mminfrec_006.jpg"></td>
<td><img width="128" src="../images/img_mminfrec_007.jpg"></td>
<td class="spare"></td>
</tr>
<tr class="title" valign="baseline">
<td><a href="../images/img_mminfrec_004.jpg">g</a></td>
<td><a href="../images/img_mminfrec_005.jpg">f</a></td>
<td><a href="../images/img_mminfrec_006.jpg">y30</a></td>
<td><a href="../images/img_mminfrec_007.jpg">y</a></td>
<td class="spare"></td>
</tr>
</tbody>
</table>
</div>
</p>
</div>
</div>
<div class="equation">
<H2>Equation</H2>
<div class="H2">
<p>
<div class="eqfig">
<img src="../images/eq_mminfrec001.png">
</div>
</p>
</div>
</div>
<div class="sourcecode">
<H2>Source Code</H2>
<div class="H2">
<pre class="listing">
def mminfrec(f, g, bc=None):
from Numeric import product
if bc is None: bc = mmsecross()
n = product(f.shape)
y = mmcdil(f,g,bc,n);
return y
</pre>
</div>
</div>
<div class="seealso">
<H2>See also</H2>
<div class="H2">
<table class="deflist">
<tbody valign="baseline">
<tr>
<td class="term"><a href="../morph/mmfreedom.html">mmfreedom</a></td>
<td class="def">Control automatic data type conversion.</td>
</tr>
<tr>
<td class="term"><a href="../morph/mmsuprec.html">mmsuprec</a></td>
<td class="def">Sup-reconstruction.</td>
</tr>
<tr>
<td class="term"><a href="../morph/mmsebox.html">mmsebox</a></td>
<td class="def">Create a box structuring element.</td>
</tr>
<tr>
<td class="term"><a href="../morph/mmsecross.html">mmsecross</a></td>
<td class="def">Diamond structuring element and elementary 3x3 cross.</td>
</tr>
<tr>
<td class="term"><a href="../morph/mmcdil.html">mmcdil</a></td>
<td class="def">Dilate an image conditionally.</td>
</tr>
</tbody>
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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
>
701
