NAME

Cv::Histogram - Perl extension for OpenCV Histogram

SYNOPSIS

 use Cv::Histogram;

DESCRIPTION

METHOD

new, CreateHist

 $hist = Cv::Histogram->new($sizes, $type, $ranges, $uniform);
 $hist = Cv::Histogram->new($sizes, $type);
 $hist2 = $hist1->new;

type, bins, ranges (members of CvHistogram)

 $hist->type
 $hist->bins
 $hist->ranges                                  # alias of CvHistogram.thresh

CalcBackProject

 $hist->CalcBackProject(\@image, $back_project);

CalcBackProjectPatch

 $hist->CalcBackProjectPatch(\@image, $dst, $patch_size, $method, $factor);

CalcHist, Calc

 $hist->calc(\@image, $accumulate, $mask);
 $hist->calc(\@image);

CalcProbDensity

 $hist1->CalcProbDensity($hist2, $dst_hist, $scale);
 $hist1->CalcProbDensity($hist2, $dst_hist);

ClearHist, Clear

 $hist->clear;

CompareHist, Compare

 $hist1->compare($hist2, $method);

CopyHist, Copy

 $src->copy($dst);
 $dst = $src->copy;

GetMinMaxHistValue, MinMaxLoc

 $hist->minMaxLoc(my $min_value, my $max_value, my $min_idx, my $max_idx);
 $hist->minMaxLoc(my $min_value, my $max_value);

NormalizeHist, Normalize

 $hist->normalize($factor);

SetHistBinRanges, SetRanges

 $hist->setRanges(\@ranges, $uniform);
 $hist->setRanges(\@ranges);

ThreshHist, Thresh

 $hist->thresh($threshold);

CalcPGH (legacy)

 $hist->calcPGH($contour);

QueryHistValue, Query (legacy)

 $value = $hist->query($idx0);
 $value = $hist->query($idx0, $idx1);
 $value = $hist->query($idx0, $idx1, $idx2);
 $value = $hist->query(\@idx);

GetHistValue, Get (legacy)

 $value = $hist->get($idx0);
 $value = $hist->get($idx0, $idx1);
 $value = $hist->get($idx0, $idx1, $idx2);
 $value = $hist->get(\@idx);

cvCalcBackProject

cvCalcBackProjectPatch

cvCalcHist

cvCalcPGH

cvCalcProbDensity

cvClearHist

cvCompareHist

cvCopyHist

cvCreateHist

cvGetMinMaxHistValue

cvNormalizeHist

cvReleaseHist

cvSetHistBinRanges

cvThreshHist

EXPORT

None by default.

SEE ALSO

http://github.com/obuk/Cv-Olive

AUTHOR

MASUDA Yuta <yuta.cpan@gmail.com>

LICENCE

Copyright (c) 2013 by MASUDA Yuta.

All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.