vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
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+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+typedef testing::TestWithParam<tuple<bool,Size,int>> fcv_momentsTest;
+
+TEST_P(fcv_momentsTest, accuracy)
+{
+    const bool binaryImage = get<0>(GetParam());
+    const Size srcSize = get<1>(GetParam());
+    const MatDepth srcType = get<2>(GetParam());
+    Mat src(srcSize, srcType);
+    cv::RNG& rng = cv::theRNG();
+    if(srcType == CV_8UC1)
+        rng.fill(src,  cv::RNG::UNIFORM, 0, 5);
+    else if(srcType == CV_32SC1)
+        rng.fill(src, cv::RNG::UNIFORM, 0, 5);
+    else if(srcType == CV_32FC1)
+        rng.fill(src, cv::RNG::UNIFORM, 0.f, 5.f);
+
+    cv::Moments m = cv::fastcv::moments(src, binaryImage);
+
+    cv::Scalar mean_val, stdDev;
+    float mean_val_fcv = m.m00/(srcSize.width * srcSize.height);
+    if(binaryImage)
+    {
+        cv::Mat src_binary(srcSize, CV_8UC1);
+        cv::compare( src, 0, src_binary, cv::CMP_NE );
+        mean_val = cv::mean(src_binary);
+        mean_val_fcv *= 255;
+    }
+    else
+        mean_val = cv::mean(src);
+
+    EXPECT_NEAR(mean_val[0], mean_val_fcv, 2);
+}
+
+INSTANTIATE_TEST_CASE_P(/*nothing*/, fcv_momentsTest, Combine(
+                   Values(false, true),
+                   Values(TYPICAL_MAT_SIZES),
+                   Values(CV_8UC1, CV_32SC1, CV_32FC1)
+));
+
+}
+}