generic-library/opencv
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added cv::Laplacian, cv::Sobel, cv::Scharr, cv::GaussianBlur to T-API

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This commit is contained in:
Ilya Lavrenov
2013-12-10 20:14:37 +04:00
parent d802b4d143
commit 8fa8b36b42
4 changed files with 176 additions and 45 deletions
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44
modules/imgproc/src/smooth.cpp
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@@ -798,10 +798,10 @@ cv::Mat cv::getGaussianKernel( int n, double sigma, int ktype )
return kernel;
}
namespace cv {
cv::Ptr<cv::FilterEngine> cv::createGaussianFilter( int type, Size ksize,
double sigma1, double sigma2,
int borderType )
static void createGaussianKernels( Mat & kx, Mat & ky, int type, Size ksize,
double sigma1, double sigma2 )
{
int depth = CV_MAT_DEPTH(type);
if( sigma2 <= 0 )
@@ -819,12 +819,21 @@ cv::Ptr<cv::FilterEngine> cv::createGaussianFilter( int type, Size ksize,
sigma1 = std::max( sigma1, 0. );
sigma2 = std::max( sigma2, 0. );
Mat kx = getGaussianKernel( ksize.width, sigma1, std::max(depth, CV_32F) );
Mat ky;
kx = getGaussianKernel( ksize.width, sigma1, std::max(depth, CV_32F) );
if( ksize.height == ksize.width && std::abs(sigma1 - sigma2) < DBL_EPSILON )
ky = kx;
else
ky = getGaussianKernel( ksize.height, sigma2, std::max(depth, CV_32F) );
}
}
cv::Ptr<cv::FilterEngine> cv::createGaussianFilter( int type, Size ksize,
double sigma1, double sigma2,
int borderType )
{
Mat kx, ky;
createGaussianKernels(kx, ky, type, ksize, sigma1, sigma2);
return createSeparableLinearFilter( type, type, kx, ky, Point(-1,-1), 0, borderType );
}
@@ -834,33 +843,34 @@ void cv::GaussianBlur( InputArray _src, OutputArray _dst, Size ksize,
double sigma1, double sigma2,
int borderType )
{
Mat src = _src.getMat();
_dst.create( src.size(), src.type() );
Mat dst = _dst.getMat();
int type = _src.type();
Size size = _src.size();
_dst.create( size, type );
if( borderType != BORDER_CONSTANT )
{
if( src.rows == 1 )
if( size.height == 1 )
ksize.height = 1;
if( src.cols == 1 )
if( size.width == 1 )
ksize.width = 1;
}
if( ksize.width == 1 && ksize.height == 1 )
{
src.copyTo(dst);
_src.copyTo(_dst);
return;
}
#ifdef HAVE_TEGRA_OPTIMIZATION
if(sigma1 == 0 && sigma2 == 0 && tegra::gaussian(src, dst, ksize, borderType))
if(sigma1 == 0 && sigma2 == 0 && tegra::gaussian(_src.getMat(), _dst.getMat(), ksize, borderType))
return;
#endif
#if defined HAVE_IPP && (IPP_VERSION_MAJOR >= 7)
if(src.type() == CV_32FC1 && sigma1 == sigma2 && ksize.width == ksize.height && sigma1 != 0.0 )
if( type == CV_32FC1 && sigma1 == sigma2 && ksize.width == ksize.height && sigma1 != 0.0 )
{
IppiSize roi = {src.cols, src.rows};
Mat src = _src.getMat(), dst = _dst.getMat();
IppiSize roi = { src.cols, src.rows };
int bufSize = 0;
ippiFilterGaussGetBufferSize_32f_C1R(roi, ksize.width, &bufSize);
AutoBuffer<uchar> buf(bufSize+128);
@@ -873,11 +883,11 @@ void cv::GaussianBlur( InputArray _src, OutputArray _dst, Size ksize,
}
#endif
Ptr<FilterEngine> f = createGaussianFilter( src.type(), ksize, sigma1, sigma2, borderType );
f->apply( src, dst );
Mat kx, ky;
createGaussianKernels(kx, ky, type, ksize, sigma1, sigma2);
sepFilter2D(_src, _dst, CV_MAT_DEPTH(type), kx, ky, Point(-1,-1), 0, borderType );
}
/****************************************************************************************\
Median Filter
\****************************************************************************************/