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vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

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2026-08-22 00:10:33 +08:00
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modules/imgproc/perf/perf_warp.cpp
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "perf_precomp.hpp"
namespace opencv_test {
CV_ENUM(BorderMode, BORDER_CONSTANT, BORDER_REPLICATE)
CV_ENUM(InterType, INTER_NEAREST, INTER_LINEAR)
CV_ENUM(InterTypeExtended, INTER_NEAREST, INTER_LINEAR, WARP_RELATIVE_MAP)
typedef TestBaseWithParam< tuple<Size, InterType, BorderMode, MatType> > TestWarpAffine;
typedef TestBaseWithParam< tuple<Size, InterType, BorderMode, MatType> > TestWarpPerspective;
typedef TestBaseWithParam< tuple<Size, InterType, BorderMode, MatType> > TestWarpPerspectiveNear_t;
typedef TestBaseWithParam< tuple<Size, InterTypeExtended, BorderMode, MatType> > TestRemap;
void update_map(const Mat& src, Mat& map_x, Mat& map_y, bool relative = false );
PERF_TEST_P( TestWarpAffine, WarpAffine,
Combine(
Values( szVGA, sz720p, sz1080p ),
InterType::all(),
BorderMode::all(),
Values(CV_8UC3, CV_16UC3, CV_32FC3, CV_8UC1, CV_16UC1, CV_32FC1, CV_8UC4, CV_16UC4, CV_32FC4)
)
)
{
Size sz, szSrc(512, 512);
int type, borderMode, interType;
sz = get<0>(GetParam());
interType = get<1>(GetParam());
borderMode = get<2>(GetParam());
type = get<3>(GetParam());
Scalar borderColor = Scalar::all(150);
Mat src(szSrc,type), dst(sz, type);
switch (src.depth()) {
case CV_8U: {
cvtest::fillGradient<uint8_t>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<uint8_t>(src, borderColor, 1);
break;
}
case CV_16U: {
cvtest::fillGradient<uint16_t>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<uint16_t>(src, borderColor, 1);
break;
}
case CV_32F: {
cvtest::fillGradient<float>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<float>(src, borderColor, 1);
break;
}
}
Mat warpMat = getRotationMatrix2D(Point2f(src.cols/2.f, src.rows/2.f), 30., 2.2);
declare.in(src).out(dst);
TEST_CYCLE() warpAffine( src, dst, warpMat, sz, interType, borderMode, borderColor );
SANITY_CHECK(dst, 1);
}
PERF_TEST_P( TestWarpPerspective, WarpPerspective,
Combine(
Values( szVGA, sz720p, sz1080p ),
InterType::all(),
BorderMode::all(),
Values(CV_8UC3, CV_16UC3, CV_32FC3, CV_8UC1, CV_16UC1, CV_32FC1, CV_8UC4, CV_16UC4, CV_32FC4)
)
)
{
Size sz, szSrc(512, 512);
int type, borderMode, interType;
sz = get<0>(GetParam());
interType = get<1>(GetParam());
borderMode = get<2>(GetParam());
type = get<3>(GetParam());
Scalar borderColor = Scalar::all(150);
Mat src(szSrc, type), dst(sz, type);
switch (src.depth()) {
case CV_8U: {
cvtest::fillGradient<uint8_t>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<uint8_t>(src, borderColor, 1);
break;
}
case CV_16U: {
cvtest::fillGradient<uint16_t>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<uint16_t>(src, borderColor, 1);
break;
}
case CV_32F: {
cvtest::fillGradient<float>(src);
if(borderMode == BORDER_CONSTANT) cvtest::smoothBorder<float>(src, borderColor, 1);
break;
}
}
Mat rotMat = getRotationMatrix2D(Point2f(src.cols/2.f, src.rows/2.f), 30., 2.2);
Mat warpMat(3, 3, CV_64FC1);
for(int r=0; r<2; r++)
for(int c=0; c<3; c++)
warpMat.at<double>(r, c) = rotMat.at<double>(r, c);
warpMat.at<double>(2, 0) = .3/sz.width;
warpMat.at<double>(2, 1) = .3/sz.height;
warpMat.at<double>(2, 2) = 1;
declare.in(src).out(dst);
TEST_CYCLE() warpPerspective( src, dst, warpMat, sz, interType, borderMode, borderColor );
SANITY_CHECK(dst, 1);
}
PERF_TEST_P( TestRemap, map1_32fc1,
Combine(
Values( szVGA, sz1080p ),
InterTypeExtended::all(),
BorderMode::all(),
Values(CV_8UC3, CV_16UC3, CV_32FC3, CV_8UC1, CV_16UC1, CV_32FC1, CV_8UC4, CV_16UC4, CV_32FC4)
)
)
{
Size size = get<0>(GetParam());
int interpolationType = get<1>(GetParam());
int borderMode = get<2>(GetParam());
int type = get<3>(GetParam());
unsigned int height = size.height;
unsigned int width = size.width;
Mat source(height, width, type);
Mat destination;
Mat map_x(height, width, CV_32F);
Mat map_y(height, width, CV_32F);
declare.in(source, WARMUP_RNG);
update_map(source, map_x, map_y, ((interpolationType & WARP_RELATIVE_MAP) != 0));
TEST_CYCLE()
{
remap(source, destination, map_x, map_y, interpolationType, borderMode);
}
SANITY_CHECK_NOTHING();
}
PERF_TEST_P( TestRemap, map1_32fc2,
Combine(
Values( szVGA, sz1080p ),
InterTypeExtended::all(),
BorderMode::all(),
Values(CV_8UC3, CV_16UC3, CV_32FC3, CV_8UC1, CV_16UC1, CV_32FC1, CV_8UC4, CV_16UC4, CV_32FC4)
)
)
{
Size size = get<0>(GetParam());
int interpolationType = get<1>(GetParam());
int borderMode = get<2>(GetParam());
int type = get<3>(GetParam());
unsigned int height = size.height;
unsigned int width = size.width;
Mat source(height, width, type);
Mat destination;
Mat map_x(height, width, CV_32FC2);
Mat map_y;
declare.in(source, WARMUP_RNG);
update_map(source, map_x, map_y, ((interpolationType & WARP_RELATIVE_MAP) != 0));
TEST_CYCLE()
{
remap(source, destination, map_x, map_y, interpolationType, borderMode);
}
SANITY_CHECK_NOTHING();
}
void update_map(const Mat& src, Mat& map_x, Mat& map_y, bool relative )
{
if (map_y.empty()) {
float *ptr_x = map_x.ptr<float>();
for (int j = 0; j < src.rows; j++) {
for (int i = 0; i < src.cols; i++) {
size_t offset = 2 * j * src.cols + 2 * i;
if( i > src.cols*0.25 && i < src.cols*0.75 && j > src.rows*0.25 && j < src.rows*0.75 )
{
ptr_x[offset] = 2*( i - src.cols*0.25f ) + 0.5f ;
ptr_x[offset+1] = 2*( j - src.rows*0.25f ) + 0.5f ;
}
else
{
ptr_x[offset] = 0 ;
ptr_x[offset+1] = 0 ;
}
if( relative )
{
ptr_x[offset] -= static_cast<float>(i) ;
ptr_x[offset+1] -= static_cast<float>(j) ;
}
}
}
} else {
for( int j = 0; j < src.rows; j++ )
{
for( int i = 0; i < src.cols; i++ )
{
if( i > src.cols*0.25 && i < src.cols*0.75 && j > src.rows*0.25 && j < src.rows*0.75 )
{
map_x.at<float>(j,i) = 2*( i - src.cols*0.25f ) + 0.5f ;
map_y.at<float>(j,i) = 2*( j - src.rows*0.25f ) + 0.5f ;
}
else
{
map_x.at<float>(j,i) = 0 ;
map_y.at<float>(j,i) = 0 ;
}
if( relative )
{
map_x.at<float>(j,i) -= static_cast<float>(i);
map_y.at<float>(j,i) -= static_cast<float>(j);
}
}
}
}
}
PERF_TEST(Transform, getPerspectiveTransform_1000)
{
unsigned int size = 8;
Mat source(1, size/2, CV_32FC2);
Mat destination(1, size/2, CV_32FC2);
Mat transformCoefficient;
declare.in(source, destination, WARMUP_RNG);
PERF_SAMPLE_BEGIN()
for (int i = 0; i < 1000; i++)
{
transformCoefficient = getPerspectiveTransform(source, destination);
}
PERF_SAMPLE_END()
SANITY_CHECK_NOTHING();
}
PERF_TEST(Transform, getPerspectiveTransform_QR_1000)
{
unsigned int size = 8;
Mat source(1, size/2, CV_32FC2);
Mat destination(1, size/2, CV_32FC2);
Mat transformCoefficient;
declare.in(source, destination, WARMUP_RNG);
PERF_SAMPLE_BEGIN()
for (int i = 0; i < 1000; i++)
{
transformCoefficient = getPerspectiveTransform(source, destination, DECOMP_QR);
}
PERF_SAMPLE_END()
SANITY_CHECK_NOTHING();
}
} // namespace