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fixed roi handling in HOGDescriptor::computeGradient (ticket #295).

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This commit is contained in:
Vadim Pisarevsky
2010-07-29 13:06:34 +00:00
parent 6da8d7cb52
commit 686e28eeee
1 changed files with 2 additions and 2 deletions
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modules/objdetect/src/hog.cpp
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@@ -200,10 +200,10 @@ void HOGDescriptor::computeGradient(const Mat& img, Mat& grad, Mat& qangle,
for( x = -1; x < gradsize.width + 1; x++ ) for( x = -1; x < gradsize.width + 1; x++ )
xmap[x] = borderInterpolate(x - paddingTL.width + roiofs.x, xmap[x] = borderInterpolate(x - paddingTL.width + roiofs.x,
wholeSize.width, borderType); wholeSize.width, borderType) - roiofs.x;
for( y = -1; y < gradsize.height + 1; y++ ) for( y = -1; y < gradsize.height + 1; y++ )
ymap[y] = borderInterpolate(y - paddingTL.height + roiofs.y, ymap[y] = borderInterpolate(y - paddingTL.height + roiofs.y,
wholeSize.height, borderType); wholeSize.height, borderType) - roiofs.y;
// x- & y- derivatives for the whole row // x- & y- derivatives for the whole row
int width = gradsize.width; int width = gradsize.width;