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Merge pull request #12373 from alalek:issue_12365

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Alexander Alekhin 2018-09-03 10:16:51 +00:00
commit 07808c8d5d
1 changed files with 7 additions and 9 deletions
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16
modules/imgproc/src/segmentation.cpp
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@ -407,27 +407,25 @@ void cv::pyrMeanShiftFiltering( InputArray _src, OutputArray _dst,
cv::Size size = src.size();
const uchar* sptr = src.ptr();
int sstep = (int)src.step;
uchar* mask = 0;
int mstep = 0;
uchar* dptr;
int dstep;
float sp = (float)(sp0 / (1 << level));
sp = MAX( sp, 1 );
cv::Mat m;
if( level < max_level )
{
cv::Size size1 = dst_pyramid[level+1].size();
cv::Mat m( size.height, size.width, CV_8UC1, mask0.ptr() );
m = cv::Mat(size.height, size.width, CV_8UC1, mask0.ptr());
dstep = (int)dst_pyramid[level+1].step;
dptr = dst_pyramid[level+1].ptr() + dstep + cn;
mstep = (int)m.step;
mask = m.ptr() + mstep;
//cvResize( dst_pyramid[level+1], dst_pyramid[level], CV_INTER_CUBIC );
cv::pyrUp( dst_pyramid[level+1], dst_pyramid[level], dst_pyramid[level].size() );
m.setTo(cv::Scalar::all(0));
for( i = 1; i < size1.height-1; i++, dptr += dstep - (size1.width-2)*3, mask += mstep*2 )
for( i = 1; i < size1.height-1; i++, dptr += dstep - (size1.width-2)*3)
{
uchar* mask = m.ptr(1 + i * 2);
for( j = 1; j < size1.width-1; j++, dptr += cn )
{
int c0 = dptr[0], c1 = dptr[1], c2 = dptr[2];
@ -437,16 +435,16 @@ void cv::pyrMeanShiftFiltering( InputArray _src, OutputArray _dst,
}
cv::dilate( m, m, cv::Mat() );
mask = m.ptr();
}
dptr = dst_pyramid[level].ptr();
dstep = (int)dst_pyramid[level].step;
for( i = 0; i < size.height; i++, sptr += sstep - size.width*3,
dptr += dstep - size.width*3,
mask += mstep )
dptr += dstep - size.width*3
)
{
uchar* mask = m.empty() ? NULL : m.ptr(i);
for( j = 0; j < size.width; j++, sptr += 3, dptr += 3 )
{
int x0 = j, y0 = i, x1, y1, iter;