📄 imagedesc_ch2desc.html
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<title>Description of imagedesc_ch2desc</title>
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<meta name="description" content="Helper, converts descriptor in array format to vector or histogram.">
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<h1>imagedesc_ch2desc
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<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="box"><strong>Helper, converts descriptor in array format to vector or histogram.</strong></div>
<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="box"><strong>function desc = imagedesc_ch2desc( CHS, ch2params, iscuboid, nch, ninst ) </strong></div>
<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> Helper, converts descriptor in array format to vector or histogram.
Takes the multiple channel, multiple instance input and creates a descriptor by:
1) histFlat==-1 stringing out the channels
2) histFlat== 0 using nchs*ninst 1D-histograms
3) histFlat== 1 using ninst nch-histograms [SLOW]
INPUTS
CHS - mxn x nchs x ninst (if image)
- mxnxt x nchs x ninst (if cuboid)
ch2params - STRUCT with the following fields
histFLAG - if -1 string out vector, if 0 1D histograms, 1 3D histograms
pargmask - [optional] param to histc_sift (mask_gaussians)
edges - [optional] param to histc_sift (histogram edges)
iscuboid - should be true if cuboid, 0 otherwise [if 2d patch]
nch - must specify number channels, nch [error checking]
ninst - must specify number instances, ninst [error checking]</pre></div>
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<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../matlabicon.gif)">
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This function is called by:
<ul style="list-style-image:url(../matlabicon.gif)">
<li><a href="desccuboid_APR.html" class="code" title="function desc = desccuboid_APR( I, sigmas, taus, ch2params )">desccuboid_APR</a> Cuboid descriptor based on histogrammed brightness values.</li><li><a href="desccuboid_FLOW.html" class="code" title="function desc = desccuboid_FLOW( I, flow_params, ch2params )">desccuboid_FLOW</a> Cuboid descriptor based on histogrammed optical flow.</li><li><a href="desccuboid_GRAD.html" class="code" title="function desc = desccuboid_GRAD( I, sigmas, taus, ch2params, ignGt )">desccuboid_GRAD</a> Cuboid descriptor based on histogrammed gradient.</li><li><a href="descpatch_FB.html" class="code" title="function desc = descpatch_FB( I, FB, ch2params )">descpatch_FB</a> Patch descriptor based on histogrammed filter responses.</li><li><a href="descpatch_GRAD.html" class="code" title="function desc = descpatch_GRAD( I, sigmas, ch2params )">descpatch_GRAD</a> Patch descriptor based on histogrammed gradient [Lowe's SIFT descriptor].</li></ul>
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<hr><address>Generated on Tue 11-Oct-2005 20:31:02 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/" target="_parent">m2html</a></strong> © 2005</address>
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