Accord.Tests.Imaging.KNearestNeighborMatchingTest.MatchTest2 C# (CSharp) Method

        public void MatchTest2()
        {
            var imgOld = Accord.Imaging.Image.Clone(Properties.Resources.old);
            var imgNew = Accord.Imaging.Image.Clone(Properties.Resources._new); 
            FastRetinaKeypointDetector freak = new FastRetinaKeypointDetector();

            var keyPoints1 = freak.ProcessImage(imgOld).ToArray();
            var keyPoints2 = freak.ProcessImage(imgNew).ToArray();

            var matcher = new KNearestNeighborMatching<byte[]>(5, new Hamming());

            { // direct
                IntPoint[][] matches = matcher.Match(keyPoints1, keyPoints2);
                Assert.AreEqual(2, matches.Length);
                Assert.AreEqual(1, matches[0].Length);
                Assert.AreEqual(1, matches[1].Length);
            }

            { // reverse
                IntPoint[][] matches = matcher.Match(keyPoints2, keyPoints1);
                Assert.AreEqual(2, matches.Length);
                Assert.AreEqual(1, matches[0].Length);
                Assert.AreEqual(1, matches[1].Length);
            }

        }