Fix BRISK detector&descriptor using proper AGAST.

modules/features2d/perf/perf_agast.cpp

@@ -0,0 +1,40 @@
+#include "perf_precomp.hpp"
+
+using namespace std;
+using namespace cv;
+using namespace perf;
+using std::tr1::make_tuple;
+using std::tr1::get;
+
+CV_ENUM(AgastType, AgastFeatureDetector::AGAST_5_8, AgastFeatureDetector::AGAST_7_12d,
+                   AgastFeatureDetector::AGAST_7_12s, AgastFeatureDetector::OAST_9_16)
+
+typedef std::tr1::tuple<string, AgastType> File_Type_t;
+typedef perf::TestBaseWithParam<File_Type_t> agast;
+
+#define AGAST_IMAGES \
+    "cv/detectors_descriptors_evaluation/images_datasets/leuven/img1.png",\
+    "stitching/a3.png"
+
+PERF_TEST_P(agast, detect, testing::Combine(
+                            testing::Values(AGAST_IMAGES),
+                            AgastType::all()
+                          ))
+{
+    string filename = getDataPath(get<0>(GetParam()));
+    int type = get<1>(GetParam());
+    Mat frame = imread(filename, IMREAD_GRAYSCALE);
+
+    if (frame.empty())
+        FAIL() << "Unable to load source image " << filename;
+
+    declare.in(frame);
+
+    Ptr<FeatureDetector> fd = AgastFeatureDetector::create(20, true, type);
+    ASSERT_FALSE( fd.empty() );
+    vector<KeyPoint> points;
+
+    TEST_CYCLE() fd->detect(frame, points);
+
+    SANITY_CHECK_KEYPOINTS(points);
+}