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added ippiTrueDistanceTransform_8u32f_C1R

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This commit is contained in:
Elena Gvozdeva 2014-04-16 18:09:46 +04:00
parent 0265247504
commit b4830d896c
1 changed files with 19 additions and 14 deletions
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33
modules/imgproc/src/distransform.cpp
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@ -577,7 +577,7 @@ trueDistTrans( const Mat& src, Mat& dst )
for( ; i <= m*3; i++ )
sat_tab[i] = i - shift;
cv::parallel_for_(cv::Range(0, n), cv::DTColumnInvoker(&src, &dst, sat_tab, sqr_tab)); //dst.total()/(double)(1<<16)
cv::parallel_for_(cv::Range(0, n), cv::DTColumnInvoker(&src, &dst, sat_tab, sqr_tab));
// stage 2: compute modified distance transform for each row
float* inv_tab = sqr_tab + n;
@ -732,21 +732,26 @@ void cv::distanceTransform( InputArray _src, OutputArray _dst, OutputArray _labe
if( maskSize == CV_DIST_MASK_PRECISE )
{
//ipp version is slower than the parallel in OpenCV
/*#if defined (HAVE_IPP) && (IPP_VERSION_MAJOR >= 7)
IppStatus status;
IppiSize roi = { src.cols, src.rows };
Ipp8u *pBuffer;
int bufSize=0;
status = ippiTrueDistanceTransformGetBufferSize_8u32f_C1R(roi, &bufSize);
#if defined (HAVE_IPP) && (IPP_VERSION_MAJOR >= 7)
if ((currentParallelFramework()==NULL) || (src.total()<(int)(1<<16)))
{
IppStatus status;
IppiSize roi = { src.cols, src.rows };
Ipp8u *pBuffer;
int bufSize=0;
pBuffer = ippsMalloc_8u( bufSize );
status = ippiTrueDistanceTransform_8u32f_C1R(src.ptr<uchar>(),(int)src.step, dst.ptr<float>(), (int)dst.step, roi, pBuffer);
ippsFree( pBuffer );
return;
#endif*/
status = ippiTrueDistanceTransformGetBufferSize_8u32f_C1R(roi, &bufSize);
if (status>=0)
{
pBuffer = ippsMalloc_8u( bufSize );
status = ippiTrueDistanceTransform_8u32f_C1R(src.ptr<uchar>(),(int)src.step, dst.ptr<float>(), (int)dst.step, roi, pBuffer);
ippsFree( pBuffer );
if (status>=0)
return;
}
}
#endif
trueDistTrans( src, dst );
return;