[opencv] 19/98: fix bug on border at pyrUp
Mattia Rizzolo
mattia at debian.org
Tue Oct 4 17:51:19 UTC 2016
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mattia pushed a commit to annotated tag 2.4.13
in repository opencv.
commit bb1c2d71a8714be1b31ee31424ac7dbef1ef36d8
Author: Elena Gvozdeva <elena.gvozdeva at itseez.com>
Date: Wed Jan 20 13:07:07 2016 +0300
fix bug on border at pyrUp
---
modules/imgproc/src/pyramids.cpp | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/modules/imgproc/src/pyramids.cpp b/modules/imgproc/src/pyramids.cpp
index 4000167..acf5072 100644
--- a/modules/imgproc/src/pyramids.cpp
+++ b/modules/imgproc/src/pyramids.cpp
@@ -349,7 +349,7 @@ pyrUp_( const Mat& _src, Mat& _dst, int)
for( ; sy <= y + 1; sy++ )
{
WT* row = buf + ((sy - sy0) % PU_SZ)*bufstep;
- int _sy = borderInterpolate(sy*2, dsize.height, BORDER_REFLECT_101)/2;
+ int _sy = borderInterpolate(sy*2, ssize.height*2, BORDER_REFLECT_101)/2;
const T* src = (const T*)(_src.data + _src.step*_sy);
if( ssize.width == cn )
@@ -370,6 +370,11 @@ pyrUp_( const Mat& _src, Mat& _dst, int)
t0 = src[sx - cn] + src[sx]*7;
t1 = src[sx]*8;
row[dx] = t0; row[dx + cn] = t1;
+
+ if (dsize.width > ssize.width*2)
+ {
+ row[(_dst.cols-1) + x] = row[dx + cn];
+ }
}
for( x = cn; x < ssize.width - cn; x++ )
@@ -395,6 +400,17 @@ pyrUp_( const Mat& _src, Mat& _dst, int)
dst1[x] = t1; dst0[x] = t0;
}
}
+
+ if (dsize.height > ssize.height*2)
+ {
+ T* dst0 = _dst.ptr<T>(ssize.height*2-2);
+ T* dst2 = _dst.ptr<T>(ssize.height*2);
+
+ for(x = 0; x < dsize.width ; x++ )
+ {
+ dst2[x] = dst0[x];
+ }
+ }
}
typedef void (*PyrFunc)(const Mat&, Mat&, int);
--
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