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vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

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Gitea Mirror Bot
2026-08-22 00:11:13 +08:00
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modules/fastcv/test/test_edges.cpp
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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<Size, int, int, int>> Sobel;
typedef testing::TestWithParam<tuple<Size, int>> Sobel3x3u8;
TEST_P(Sobel,accuracy)
{
Size srcSize = get<0>(GetParam());
int ksize = get<1>(GetParam());
int border = get<2>(GetParam());
int borderValue = get<3>(GetParam());
cv::Mat dx, dy, src(srcSize, CV_8U), refx, refy;
RNG& rng = cv::theRNG();
cvtest::randUni(rng, src, Scalar::all(0), Scalar::all(255));
cv::fastcv::sobel(src, dx, dy, ksize, border, borderValue);
cv::Sobel(src, refx, CV_16S, 1, 0, ksize, 1.0, 0.0, border);
cv::Sobel(src, refy, CV_16S, 0, 1, ksize, 1.0, 0.0, border);
cv::Mat difference_x, difference_y;
cv::absdiff(dx, refx, difference_x);
cv::absdiff(dy, refy, difference_y);
int num_diff_pixels_x = cv::countNonZero(difference_x);
int num_diff_pixels_y = cv::countNonZero(difference_y);
EXPECT_LT(num_diff_pixels_x, src.size().area()*0.1);
EXPECT_LT(num_diff_pixels_y, src.size().area()*0.1);
}
TEST_P(Sobel3x3u8,accuracy)
{
Size srcSize = get<0>(GetParam());
int ddepth = get<1>(GetParam());
cv::Mat dx, dy, src(srcSize, CV_8U), refx, refy;
RNG& rng = cv::theRNG();
cvtest::randUni(rng, src, Scalar::all(0), Scalar::all(255));
cv::fastcv::sobel3x3u8(src, dx, dy, ddepth, 0);
cv::Sobel(src, refx, ddepth, 1, 0);
cv::Sobel(src, refy, ddepth, 0, 1);
cv::Mat difference_x, difference_y;
cv::absdiff(dx, refx, difference_x);
cv::absdiff(dy, refy, difference_y);
int num_diff_pixels_x = cv::countNonZero(difference_x);
int num_diff_pixels_y = cv::countNonZero(difference_y);
EXPECT_LT(num_diff_pixels_x, src.size().area()*0.1);
EXPECT_LT(num_diff_pixels_y, src.size().area()*0.1);
}
INSTANTIATE_TEST_CASE_P(FastCV_Extension, Sobel, Combine(
/*image size*/ Values(perf::szVGA, perf::sz720p, perf::sz1080p),
/*kernel size*/ Values(3,5,7),
/*border*/ Values(BORDER_CONSTANT, BORDER_REPLICATE),
/*border value*/ Values(0)
));
INSTANTIATE_TEST_CASE_P(FastCV_Extension, Sobel3x3u8, Combine(
/*image size*/ Values(perf::szVGA, perf::sz720p, perf::sz1080p),
/*dst depth*/ Values(CV_16S, CV_32F)
));
}
}