OCL: included ORB featured detector/descriptor extractor.

modules/ocl/perf/perf_orb.cpp

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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) 2013, OpenCV Foundation, 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.
+//
+// Authors:
+//  * Peter Andreas Entschev, peter@entschev.com
+//
+//M*/
+
+#include "perf_precomp.hpp"
+
+using namespace perf;
+
+/////////////////// ORB ///////////////////
+
+typedef std::tr1::tuple<std::string, int> Image_NFeatures_t;
+typedef perf::TestBaseWithParam<Image_NFeatures_t> Image_NFeatures;
+
+PERF_TEST_P(Image_NFeatures, ORB,
+            testing::Combine(testing::Values<string>("gpu/perf/aloe.png"),
+                             testing::Values(4000)))
+{
+    declare.time(300.0);
+
+    const Image_NFeatures_t params = GetParam();
+    const std::string imgFile = std::tr1::get<0>(params);
+    const int nFeatures = std::tr1::get<1>(params);
+
+    const cv::Mat img = imread(getDataPath(imgFile), cv::IMREAD_GRAYSCALE);
+    ASSERT_FALSE(img.empty());
+
+    if (RUN_OCL_IMPL)
+    {
+        cv::ocl::ORB_OCL d_orb(nFeatures);
+
+        const cv::ocl::oclMat d_img(img);
+        cv::ocl::oclMat d_keypoints, d_descriptors;
+
+        TEST_CYCLE() d_orb(d_img, cv::ocl::oclMat(), d_keypoints, d_descriptors);
+
+        std::vector<cv::KeyPoint> ocl_keypoints;
+        d_orb.downloadKeyPoints(d_keypoints, ocl_keypoints);
+
+        cv::Mat ocl_descriptors(d_descriptors);
+
+        ocl_keypoints.resize(10);
+        ocl_descriptors = ocl_descriptors.rowRange(0, 10);
+
+        sortKeyPoints(ocl_keypoints, ocl_descriptors);
+
+        SANITY_CHECK_KEYPOINTS(ocl_keypoints, 1e-4);
+        SANITY_CHECK(ocl_descriptors);
+    }
+    else if (RUN_PLAIN_IMPL)
+    {
+        cv::ORB orb(nFeatures);
+
+        std::vector<cv::KeyPoint> cpu_keypoints;
+        cv::Mat cpu_descriptors;
+
+        TEST_CYCLE() orb(img, cv::noArray(), cpu_keypoints, cpu_descriptors);
+
+        SANITY_CHECK_KEYPOINTS(cpu_keypoints);
+        SANITY_CHECK(cpu_descriptors);
+    }
+    else
+        OCL_PERF_ELSE;
+}