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Merge pull request #2605 from akarsakov:ipp_min_eigen_val

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Alexander Alekhin
2014-05-07 18:01:44 +04:00
committed by OpenCV Buildbot
parent 849228ac6a eda084e123
commit 9c780260c2
4 changed files with 146 additions and 80 deletions
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55
modules/imgproc/src/corner.cpp
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@@ -460,10 +460,63 @@ void cv::cornerMinEigenVal( InputArray _src, OutputArray _dst, int blockSize, in
Mat src = _src.getMat();
_dst.create( src.size(), CV_32FC1 );
Mat dst = _dst.getMat();
#if defined(HAVE_IPP) && !defined(HAVE_IPP_ICV_ONLY) && (IPP_VERSION_MAJOR >= 8)
typedef IppStatus (CV_STDCALL * ippiMinEigenValGetBufferSize)(IppiSize, int, int, int*);
typedef IppStatus (CV_STDCALL * ippiMinEigenVal)(const void*, int, Ipp32f*, int, IppiSize, IppiKernelType, int, int, Ipp8u*);
IppiKernelType kerType;
int kerSize = ksize;
if (ksize < 0)
{
kerType = ippKernelScharr;
kerSize = 3;
} else
{
kerType = ippKernelSobel;
}
bool isolated = (borderType & BORDER_ISOLATED) != 0;
int borderTypeNI = borderType & ~BORDER_ISOLATED;
if ((borderTypeNI == BORDER_REPLICATE && (!src.isSubmatrix() || isolated)) &&
(kerSize == 3 || kerSize == 5) && (kerSize == 3 || blockSize == 5))
{
ippiMinEigenValGetBufferSize getBufferSizeFunc = 0;
ippiMinEigenVal minEigenValFunc = 0;
float norm_coef = 0.f;
if (src.type() == CV_8UC1)
{
getBufferSizeFunc = (ippiMinEigenValGetBufferSize) ippiMinEigenValGetBufferSize_8u32f_C1R;
minEigenValFunc = (ippiMinEigenVal) ippiMinEigenVal_8u32f_C1R;
norm_coef = 1.f / 255.f;
} else if (src.type() == CV_32FC1)
{
getBufferSizeFunc = (ippiMinEigenValGetBufferSize) ippiMinEigenValGetBufferSize_32f_C1R;
minEigenValFunc = (ippiMinEigenVal) ippiMinEigenVal_32f_C1R;
norm_coef = 255.f;
}
if (getBufferSizeFunc && minEigenValFunc)
{
int bufferSize;
IppiSize srcRoi = { src.cols, src.rows };
IppStatus ok = getBufferSizeFunc(srcRoi, ksize, blockSize, &bufferSize);
if (ok >= 0)
{
AutoBuffer<uchar> buffer(bufferSize);
ok = minEigenValFunc(src.data, (int) src.step, (Ipp32f*) dst.data, (int) dst.step, srcRoi, kerType, kerSize, blockSize, buffer);
CV_SUPPRESS_DEPRECATED_START
if (ok >= 0) ok = ippiMulC_32f_C1IR(norm_coef, (Ipp32f*) dst.data, (int) dst.step, srcRoi);
CV_SUPPRESS_DEPRECATED_END
if (ok >= 0)
return;
}
setIppErrorStatus();
}
}
#endif
cornerEigenValsVecs( src, dst, blockSize, ksize, MINEIGENVAL, 0, borderType );
}
void cv::cornerHarris( InputArray _src, OutputArray _dst, int blockSize, int ksize, double k, int borderType )
{
CV_OCL_RUN(_src.dims() <= 2 && _dst.isUMat(),