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added minMaxLoc function into gpu module

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This commit is contained in:
Alexey Spizhevoy
2010-11-24 11:40:14 +00:00
parent d366c0b2fa
commit 27690e3b6e
4 changed files with 354 additions and 17 deletions
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52
modules/gpu/src/arithm.cpp
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@@ -66,6 +66,7 @@ double cv::gpu::norm(const GpuMat&, const GpuMat&, int) { throw_nogpu(); return
void cv::gpu::flip(const GpuMat&, GpuMat&, int) { throw_nogpu(); }
Scalar cv::gpu::sum(const GpuMat&) { throw_nogpu(); return Scalar(); }
void cv::gpu::minMax(const GpuMat&, double*, double*) { throw_nogpu(); }
void cv::gpu::minMaxLoc(const GpuMat&, double*, double*, Point*, Point*) { throw_nogpu(); }
void cv::gpu::LUT(const GpuMat&, const Mat&, GpuMat&) { throw_nogpu(); }
void cv::gpu::exp(const GpuMat&, GpuMat&) { throw_nogpu(); }
void cv::gpu::log(const GpuMat&, GpuMat&) { throw_nogpu(); }
@@ -530,6 +531,57 @@ void cv::gpu::minMax(const GpuMat& src, double* minVal, double* maxVal)
}
}
////////////////////////////////////////////////////////////////////////
// minMaxLoc
namespace cv { namespace gpu { namespace mathfunc {
template <typename T>
void min_max_loc_caller(const DevMem2D src, double* minval, double* maxval, int* minlocx, int* minlocy,
int* maxlocx, int* maxlocy);
}}}
void cv::gpu::minMaxLoc(const GpuMat& src, double* minVal, double* maxVal, Point* minLoc, Point* maxLoc)
{
CV_Assert(src.channels() == 1);
double maxVal_;
if (!maxVal) maxVal = &maxVal_;
cv::Point minLoc_;
if (!minLoc) minLoc = &minLoc_;
cv::Point maxLoc_;
if (!maxLoc) maxLoc = &maxLoc_;
switch (src.type())
{
case CV_8U:
mathfunc::min_max_loc_caller<unsigned char>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_8S:
mathfunc::min_max_loc_caller<signed char>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_16U:
mathfunc::min_max_loc_caller<unsigned short>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_16S:
mathfunc::min_max_loc_caller<signed short>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_32S:
mathfunc::min_max_loc_caller<int>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_32F:
mathfunc::min_max_loc_caller<float>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
case CV_64F:
mathfunc::min_max_loc_caller<double>(src, minVal, maxVal, &minLoc->x, &minLoc->y, &maxLoc->x, &maxLoc->y);
break;
default:
CV_Error(CV_StsBadArg, "Unsupported type");
}
}
////////////////////////////////////////////////////////////////////////
// LUT