From c53398a4389effafb02f84c6f7822bbdb03089f4 Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Fri, 14 Mar 2014 12:59:14 +0400
Subject: [PATCH] performance tests for FAST

---
 modules/features2d/perf/opencl/perf_fast.cpp | 50 ++++++++++++++++++++
 modules/features2d/perf/opencl/perf_orb.cpp  |  4 +-
 modules/ts/include/opencv2/ts/ts_perf.hpp    | 32 +++++++------
 3 files changed, 70 insertions(+), 16 deletions(-)
 create mode 100644 modules/features2d/perf/opencl/perf_fast.cpp

diff --git a/modules/features2d/perf/opencl/perf_fast.cpp b/modules/features2d/perf/opencl/perf_fast.cpp
new file mode 100644
index 0000000000..7816da7b10
--- /dev/null
+++ b/modules/features2d/perf/opencl/perf_fast.cpp
@@ -0,0 +1,50 @@
+#include "perf_precomp.hpp"
+#include "opencv2/ts/ocl_perf.hpp"
+
+#ifdef HAVE_OPENCL
+
+namespace cvtest {
+namespace ocl {
+
+enum { TYPE_5_8 =FastFeatureDetector::TYPE_5_8, TYPE_7_12 = FastFeatureDetector::TYPE_7_12, TYPE_9_16 = FastFeatureDetector::TYPE_9_16 };
+CV_ENUM(FastType, TYPE_5_8, TYPE_7_12)
+
+typedef std::tr1::tuple<string, FastType> File_Type_t;
+typedef TestBaseWithParam<File_Type_t> FASTFixture;
+
+#define FAST_IMAGES \
+    "cv/detectors_descriptors_evaluation/images_datasets/leuven/img1.png",\
+    "stitching/a3.png"
+
+OCL_PERF_TEST_P(FASTFixture, FastDetect, testing::Combine(
+                            testing::Values(FAST_IMAGES),
+                            FastType::all()
+                          ))
+{
+    string filename = getDataPath(get<0>(GetParam()));
+    int type = get<1>(GetParam());
+    Mat mframe = imread(filename, IMREAD_GRAYSCALE);
+
+    if (mframe.empty())
+        FAIL() << "Unable to load source image " << filename;
+
+    UMat frame;
+    mframe.copyTo(frame);
+    declare.in(frame);
+
+    Ptr<FeatureDetector> fd = Algorithm::create<FeatureDetector>("Feature2D.FAST");
+    ASSERT_FALSE( fd.empty() );
+    fd->set("threshold", 20);
+    fd->set("nonmaxSuppression", true);
+    fd->set("type", type);
+    vector<KeyPoint> points;
+
+    OCL_TEST_CYCLE() fd->detect(frame, points);
+
+    SANITY_CHECK_KEYPOINTS(points);
+}
+
+} // ocl
+} // cvtest
+
+#endif // HAVE_OPENCL
diff --git a/modules/features2d/perf/opencl/perf_orb.cpp b/modules/features2d/perf/opencl/perf_orb.cpp
index 78a82aa449..f40b5f4b92 100644
--- a/modules/features2d/perf/opencl/perf_orb.cpp
+++ b/modules/features2d/perf/opencl/perf_orb.cpp
@@ -27,7 +27,7 @@ OCL_PERF_TEST_P(ORBFixture, ORB_Detect, ORB_IMAGES)
 
     OCL_TEST_CYCLE() detector(frame, mask, points);
 
-    sort(points.begin(), points.end(), comparators::KeypointGreater());
+    std::sort(points.begin(), points.end(), comparators::KeypointGreater());
     SANITY_CHECK_KEYPOINTS(points, 1e-5);
 }
 
@@ -47,7 +47,7 @@ OCL_PERF_TEST_P(ORBFixture, ORB_Extract, ORB_IMAGES)
     ORB detector(1500, 1.3f, 1);
     vector<KeyPoint> points;
     detector(frame, mask, points);
-    sort(points.begin(), points.end(), comparators::KeypointGreater());
+    std::sort(points.begin(), points.end(), comparators::KeypointGreater());
 
     UMat descriptors;
 
diff --git a/modules/ts/include/opencv2/ts/ts_perf.hpp b/modules/ts/include/opencv2/ts/ts_perf.hpp
index e3b6481d10..62e9e1471f 100644
--- a/modules/ts/include/opencv2/ts/ts_perf.hpp
+++ b/modules/ts/include/opencv2/ts/ts_perf.hpp
@@ -4,6 +4,8 @@
 #include "opencv2/core.hpp"
 #include "ts_gtest.h"
 
+#include <functional>
+
 #if !(defined(LOGD) || defined(LOGI) || defined(LOGW) || defined(LOGE))
 # if defined(ANDROID) && defined(USE_ANDROID_LOGGING)
 #  include <android/log.h>
@@ -555,31 +557,33 @@ namespace comparators
 {
 
 template<typename T>
-struct CV_EXPORTS RectLess_
+struct CV_EXPORTS RectLess_ :
+        public std::binary_function<cv::Rect_<T>, cv::Rect_<T>, bool>
 {
   bool operator()(const cv::Rect_<T>& r1, const cv::Rect_<T>& r2) const
   {
-    return r1.x < r2.x
-      || (r1.x == r2.x && r1.y < r2.y)
-      || (r1.x == r2.x && r1.y == r2.y && r1.width < r2.width)
-      || (r1.x == r2.x && r1.y == r2.y && r1.width == r2.width && r1.height < r2.height);
+    return r1.x < r2.x ||
+            (r1.x == r2.x && r1.y < r2.y) ||
+            (r1.x == r2.x && r1.y == r2.y && r1.width < r2.width) ||
+            (r1.x == r2.x && r1.y == r2.y && r1.width == r2.width && r1.height < r2.height);
   }
 };
 
 typedef RectLess_<int> RectLess;
 
-struct CV_EXPORTS KeypointGreater
+struct CV_EXPORTS KeypointGreater :
+        public std::binary_function<cv::KeyPoint, cv::KeyPoint, bool>
 {
     bool operator()(const cv::KeyPoint& kp1, const cv::KeyPoint& kp2) const
     {
-        if(kp1.response > kp2.response) return true;
-        if(kp1.response < kp2.response) return false;
-        if(kp1.size > kp2.size) return true;
-        if(kp1.size < kp2.size) return false;
-        if(kp1.octave > kp2.octave) return true;
-        if(kp1.octave < kp2.octave) return false;
-        if(kp1.pt.y < kp2.pt.y) return false;
-        if(kp1.pt.y > kp2.pt.y) return true;
+        if (kp1.response > kp2.response) return true;
+        if (kp1.response < kp2.response) return false;
+        if (kp1.size > kp2.size) return true;
+        if (kp1.size < kp2.size) return false;
+        if (kp1.octave > kp2.octave) return true;
+        if (kp1.octave < kp2.octave) return false;
+        if (kp1.pt.y < kp2.pt.y) return false;
+        if (kp1.pt.y > kp2.pt.y) return true;
         return kp1.pt.x < kp2.pt.x;
     }
 };