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<h1>mmisequal
<br>
<span class="subtitle">Verify if two images are equal
</span>
</h1>
<div class="synopsis">
<H2>Synopsis</H2>
<div class="H2">
<div class="prototype">bool =
<span class="fun">mmisequal</span>(
<span class="par">f1</span>,
<span class="par">f2</span>
)
</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">f1</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmImage.html">Image</a></span> Unsigned gray-scale (uint8 or uint16), signed (int32) or binary image.
</td>
</tr>
<tr>
<td class="term"><span class="par">f2</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmImage.html">Image</a></span> Unsigned gray-scale (uint8 or uint16), signed (int32) or binary image.
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="output">
<H3>Output</H3>
<div class="H3">
<table class="deflist">
<tbody valign="baseline">
<tr>
<td class="term"><span class="par">bool</span></td>
<td class="def"><span class="type"><a href="../mmtypes/mmBoolean.html">Boolean</a></span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
<div class="descr">
<H2>Description</H2>
<div class="H2">
<p>
<span class="fun">mmisequal</span> compares the images
<code>f1</code> and
<code>f2</code> and returns true (1), if
<code>f1(x)=f2(x)</code> , for all pixel
<code>x</code>, and false (0), otherwise.
</p>
</div>
</div>
<div class="examples">
<H2>Examples</H2>
<div class="H2">
<p>
<div class="example">
<div class="listing">
<pre class="user">>>> f1 = uint8(arrayrange(4))</pre>
<pre class="computer"></pre>
<pre class="user">>>> print f1</pre>
<pre class="computer">[0 1 2 3]</pre>
<pre class="user">>>> f2 = uint8([9, 5, 3, 3])</pre>
<pre class="computer"></pre>
<pre class="user">>>> print f2</pre>
<pre class="computer">[9 5 3 3]</pre>
<pre class="user">>>> f3 = f1</pre>
<pre class="computer"></pre>
<pre class="user">>>> mmisequal(f1,f2)</pre>
<pre class="computer">0.0</pre>
<pre class="user">>>> mmisequal(f1,f3)</pre>
<pre class="computer">1.0</pre>
</div>
</div>
</p>
</div>
</div>
<div class="equation">
<H2>Equation</H2>
<div class="H2">
<p>
<div class="eqfig">
<img src="../images/eq_mmisequal001.png">
</div>
</p>
</div>
</div>
<div class="sourcecode">
<H2>Source Code</H2>
<div class="H2">
<pre class="listing">
def mmisequal(f1, f2, MSG=None):
from Numeric import ravel, alltrue, array
bool = alltrue(ravel(f1==f2))
bool1 = 1
if type(f1) is type(array([1])):
bool1 = type(f1) is type(f2)
bool1 = bool1 and ((f1.typecode() == f2.typecode()))
if MSG != None:
if bool:
if bool1:
print 'OK: ', MSG
else:
print 'WARNING:', MSG
else:
print 'ERROR: ', MSG
return bool
</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/mmis.html">mmis</a></td>
<td class="def">Verify if a relationship among images is true or false.</td>
</tr>
<tr>
<td class="term"><a href="../morph/mmcmp.html">mmcmp</a></td>
<td class="def">Compare two images pixelwisely.</td>
</tr>
</tbody>
</table>
</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
>
708
