vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "perf_precomp.hpp"
+
+#if defined(HAVE_CUDA) && defined(OPENCV_ENABLE_NONFREE)
+
+#include "opencv2/ts/cuda_perf.hpp"
+
+namespace opencv_test { namespace {
+
+//////////////////////////////////////////////////////////////////////
+// SURF
+
+#ifdef HAVE_OPENCV_CUDAARITHM
+
+DEF_PARAM_TEST_1(Image, string);
+
+PERF_TEST_P(Image, CUDA_SURF,
+            Values<std::string>("gpu/perf/aloe.png"))
+{
+    declare.time(50.0);
+
+    const cv::Mat img = readImage(GetParam(), cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(img.empty());
+
+    if (PERF_RUN_CUDA())
+    {
+        cv::cuda::SURF_CUDA d_surf;
+
+        const cv::cuda::GpuMat d_img(img);
+        cv::cuda::GpuMat d_keypoints, d_descriptors;
+
+        TEST_CYCLE() d_surf(d_img, cv::cuda::GpuMat(), d_keypoints, d_descriptors);
+
+        std::vector<cv::KeyPoint> gpu_keypoints;
+        d_surf.downloadKeypoints(d_keypoints, gpu_keypoints);
+
+        cv::Mat gpu_descriptors(d_descriptors);
+
+        sortKeyPoints(gpu_keypoints, gpu_descriptors);
+
+        SANITY_CHECK_KEYPOINTS(gpu_keypoints);
+        SANITY_CHECK(gpu_descriptors, 1e-3);
+    }
+    else
+    {
+        cv::Ptr<cv::Feature2D> surf = cv::xfeatures2d::SURF::create();
+        std::vector<cv::KeyPoint> cpu_keypoints;
+        cv::Mat cpu_descriptors;
+
+        TEST_CYCLE() surf->detect(img, cpu_keypoints);
+        TEST_CYCLE() surf->compute(img, cpu_keypoints, cpu_descriptors);
+
+        SANITY_CHECK_KEYPOINTS(cpu_keypoints);
+        SANITY_CHECK(cpu_descriptors);
+    }
+}
+
+#endif // HAVE_OPENCV_CUDAARITHM
+
+}} // namespace
+#endif // HAVE_CUDA && OPENCV_ENABLE_NONFREE