chore: import upstream snapshot with attribution

2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
7743 changed files with 3316339 additions and 0 deletions
@@ -0,0 +1,130 @@
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+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),
+                             testing::Values(IMREAD_GRAYSCALE, IMREAD_COLOR))) {
+    int transform_type = get<0>(GetParam());
+    int readFlag = get<1>(GetParam());
+
+    Mat img = imread(getDataPath("cv/shared/fruits_ecc.png"), readFlag);
+    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, Size(200, 200), 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, Size(200, 200), 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, Size(200, 200), 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, Size(200, 200), 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);
+
+        findTransformECC(templateImage, img, warpMat, transform_type,
+                         TermCriteria(TermCriteria::COUNT + TermCriteria::EPS, 5, -1));
+    }
+
+    if (transform_type == MOTION_HOMOGRAPHY)
+    {
+        // NOTE: for Mac M1 + KleidiCV
+        // ECCPerfTest_findTransformECC.findTransformECC/6, where GetParam() = (MOTION_HOMOGRAPHY, IMREAD_GRAYSCALE)
+        SANITY_CHECK(warpMat, 8.3e-3);
+    }
+    else
+    {
+        SANITY_CHECK(warpMat, 3e-3);
+    }
+}
+
+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