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5  <title>Description of hist_update</title>
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15<div><a href="../index.html">Home</a> &gt;  <a href="index.html">.</a> &gt; hist_update.m</div>
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19
20<h1>hist_update
21</h1>
22
23<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
24<div class="box"><strong>'hist_update': update of a current global histogram by inclusion of a new field</strong></div>
25
26<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
27<div class="box"><strong>function [val,HIST]=hist_update(val,HIST,C,dC) </strong></div>
28
29<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
30<div class="fragment"><pre class="comment">'hist_update': update of a current global histogram by inclusion of a new field
31------------------------------------------------------------------------
32[val,HIST]=hist_update(val,HIST,C,dC)
33
34 OUTPUT:
35 val: vector of field values at which the histogram is determined (middle of bins)
36 HIST(:,icolor): nbre of occurence of the field value in the bins whose middle is given by val
37           can be a column vector, same size as val, or a matrix with three columns, for color images
38
39 INPUT:
40 val: existing field values from the current histogram, =[] if there is no current histogram
41 HIST(:,icolor): current histogram,  =[] if there is none
42       can be a column vector (icolor=1), same size as val, or a matrix with three columns, for color images     
43 C(:,icolor): vector representing the current field values
44       can be a column vector (icolor=1), or a matrix with three columns, for color images
45 dC: width of the new bins extending val to account for the new field.</pre></div>
46
47<!-- crossreference -->
48<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
49This function calls:
50<ul style="list-style-image:url(../matlabicon.gif)">
51</ul>
52This function is called by:
53<ul style="list-style-image:url(../matlabicon.gif)">
54</ul>
55<!-- crossreference -->
56
57
58
59<hr><address>Generated on Wed 10-Mar-2010 20:42:36 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> &copy; 2003</address>
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