vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+TEST(ThresholdOtsuTest, accuracy)
+{
+    applyTestTag(CV_TEST_TAG_FASTCV_SKIP_DSP);
+
+    //Initialize DSP
+    int initStatus = cv::fastcv::dsp::fcvdspinit();
+    ASSERT_EQ(initStatus, 0) << "Failed to initialize FastCV DSP";
+
+    cv::Mat src;
+    src.allocator = cv::fastcv::getQcAllocator();
+    cv::imread(cvtest::findDataFile("cv/detectors_descriptors_evaluation/planar/box_in_scene.png"), src, cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(src.empty()) << "Could not read the image file.";
+
+    cv::Mat dst;
+    dst.allocator = cv::fastcv::getQcAllocator();
+
+    bool type = 0;
+
+    cv::fastcv::dsp::thresholdOtsu(src, dst, type);
+
+    // De-Initialize DSP
+    cv::fastcv::dsp::fcvdspdeinit();
+
+    EXPECT_FALSE(dst.empty());
+    EXPECT_EQ(src.size(), dst.size());
+
+    // Compare the result against the reference cv::threshold function with Otsu's method
+    cv::Mat referenceDst;
+    cv::threshold(src, referenceDst, 0, 255, cv::THRESH_BINARY | cv::THRESH_OTSU);
+
+    double maxDifference = 10.0;
+    cv::Mat diff;
+    cv::absdiff(dst, referenceDst, diff);
+    double maxVal;
+    cv::minMaxLoc(diff, nullptr, &maxVal);
+
+    EXPECT_LE(maxVal, maxDifference) << "The custom threshold result differs from the reference result by more than the acceptable threshold.";
+}
+
+TEST(ThresholdOtsuTest, inPlaceAccuracy)
+{
+    applyTestTag(CV_TEST_TAG_FASTCV_SKIP_DSP);
+
+    // Initialize DSP
+    int initStatus = cv::fastcv::dsp::fcvdspinit();
+    ASSERT_EQ(initStatus, 0) << "Failed to initialize FastCV DSP";
+
+    cv::Mat src;
+    src.allocator = cv::fastcv::getQcAllocator();
+    cv::imread(cvtest::findDataFile("cv/detectors_descriptors_evaluation/planar/box_in_scene.png"), src, cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(src.empty()) << "Could not read the image file.";
+
+    // Use the same buffer for in-place operation
+    cv::Mat dst;
+    dst.allocator = cv::fastcv::getQcAllocator();
+    src.copyTo(dst);
+
+    bool type = false;
+
+    // Call the thresholdOtsu function for in-place operation
+    cv::fastcv::dsp::thresholdOtsu(dst, dst, type);
+
+    // De-Initialize DSP
+    cv::fastcv::dsp::fcvdspdeinit();
+
+    // Check if the output is not empty
+    EXPECT_FALSE(dst.empty());
+    EXPECT_EQ(src.size(), dst.size());
+
+    // Compare the result against the reference cv::threshold function with Otsu's method
+    cv::Mat referenceDst;
+    cv::threshold(src, referenceDst, 0, 255, cv::THRESH_BINARY | cv::THRESH_OTSU);
+
+    double maxDifference = 10.0;
+    cv::Mat diff;
+    cv::absdiff(dst, referenceDst, diff);
+    double maxVal;
+    cv::minMaxLoc(diff, nullptr, &maxVal);
+
+    EXPECT_LE(maxVal, maxDifference) << "The in-place threshold result differs from the reference result by more than the acceptable threshold.";
+}
+
+}} // namespaces opencv_test, ::