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Merge pull request #28802 from 4ekmah:pyr_ecc

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Multiscale ECC #28802

OpenCV Extra: https://github.com/opencv/opencv_extra/pull/1338

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
4ekmah
2026-04-20 17:22:19 +03:00
committed by GitHub
parent f327f0669e
commit 9f101a126f
4 changed files with 1211 additions and 184 deletions
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modules/video/perf/perf_ecc.cpp
+60
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@@ -5,9 +5,14 @@ using namespace perf;
CV_ENUM(MotionType, MOTION_TRANSLATION, MOTION_EUCLIDEAN, MOTION_AFFINE, MOTION_HOMOGRAPHY)
CV_ENUM(ReadFlag, IMREAD_GRAYSCALE, IMREAD_COLOR)
CV_ENUM(MultiScaleFlag, false, true)
typedef std::tuple<MotionType, ReadFlag> TestParams;
typedef std::tuple<MotionType, MultiScaleFlag> TestParamsMS;
typedef perf::TestBaseWithParam<TestParams> ECCPerfTest;
typedef perf::TestBaseWithParam<TestParamsMS> ECCPerfTestMS;
typedef std::tuple<MotionType, ReadFlag> TestParams;
PERF_TEST_P(ECCPerfTest, findTransformECC,
testing::Combine(testing::Values(MOTION_TRANSLATION, MOTION_EUCLIDEAN, MOTION_AFFINE, MOTION_HOMOGRAPHY),
@@ -67,4 +72,59 @@ PERF_TEST_P(ECCPerfTest, findTransformECC,
}
}
PERF_TEST_P(ECCPerfTestMS, findTransformECCMultiScale,
testing::Combine(testing::Values(MOTION_TRANSLATION, MOTION_EUCLIDEAN, MOTION_AFFINE, MOTION_HOMOGRAPHY),
testing::Values(false, true))) {
int transform_type = get<0>(GetParam());
bool multiscaleFlag = get<1>(GetParam());
Mat img = imread(getDataPath("cv/shared/3MP.png"), IMREAD_GRAYSCALE);
Mat templateImage;
Mat warpMat;
Mat warpGround;
double angle;
switch (transform_type) {
case MOTION_TRANSLATION:
warpGround = (Mat_<float>(2, 3) << 1.f, 0.f, 7.234f, 0.f, 1.f, 11.839f);
warpAffine(img, templateImage, warpGround, img.size(), INTER_LINEAR + WARP_INVERSE_MAP);
break;
case MOTION_EUCLIDEAN:
angle = CV_PI / 30;
warpGround = (Mat_<float>(2, 3) << (float)cos(angle), (float)-sin(angle), 12.123f, (float)sin(angle),
(float)cos(angle), 14.789f);
warpAffine(img, templateImage, warpGround, img.size(), INTER_LINEAR + WARP_INVERSE_MAP);
break;
case MOTION_AFFINE:
warpGround = (Mat_<float>(2, 3) << 0.98f, 0.03f, 15.523f, -0.02f, 0.95f, 10.456f);
warpAffine(img, templateImage, warpGround, img.size(), INTER_LINEAR + WARP_INVERSE_MAP);
break;
case MOTION_HOMOGRAPHY:
warpGround = (Mat_<float>(3, 3) << 0.98f, 0.03f, 15.523f, -0.02f, 0.95f, 10.456f, 0.0002f, 0.0003f, 1.f);
warpPerspective(img, templateImage, warpGround, img.size(), INTER_LINEAR + WARP_INVERSE_MAP);
break;
}
TEST_CYCLE() {
if (transform_type < 3)
warpMat = Mat::eye(2, 3, CV_32F);
else
warpMat = Mat::eye(3, 3, CV_32F);
if(multiscaleFlag) {
ECCParameters params;
params.criteria = cv::TermCriteria(TermCriteria::COUNT + TermCriteria::EPS, 5, -1);
params.motionType = transform_type;
params.itersPerLevel = {1, 2, 2, 2};
findTransformECCMultiScale(templateImage, img, warpMat, params);
}
else {
findTransformECC(templateImage, img, warpMat, transform_type,
TermCriteria(TermCriteria::COUNT + TermCriteria::EPS, 5, -1));
}
}
SANITY_CHECK_NOTHING();
}
} // namespace opencv_test