Accord.Tests.Imaging.BorderFollowingTest.FindContourTest2 C# (CSharp) Метод

        public void FindContourTest2()
        {
            Bitmap bmp = Accord.Imaging.Image.Clone(Properties.Resources.hand2);

            BlobCounter bc = new BlobCounter(bmp);
            bc.ObjectsOrder = ObjectsOrder.Size;
            Blob[] blobs = bc.GetObjectsInformation();
            bc.ExtractBlobsImage(bmp, blobs[0], true);
            List<IntPoint> expected = bc.GetBlobsEdgePoints(blobs[0]);
            Bitmap blob = blobs[0].Image.ToManagedImage();

            BorderFollowing bf = new BorderFollowing();
            List<IntPoint> actual = bf.FindContour(blob);

            foreach (IntPoint point in expected)
                Assert.IsTrue(actual.Contains(point));

            IntPoint prev = actual[0];
            for (int i = 1; i < actual.Count; i++)
            {
                IntPoint curr = actual[i];
                Assert.IsTrue(System.Math.Abs(prev.X - curr.X) <= 1 &&
                              System.Math.Abs(prev.Y - curr.Y) <= 1);
                prev = curr;
            }

            IntPoint first = actual[0];
            IntPoint last = actual[actual.Count - 1];
            Assert.IsTrue(System.Math.Abs(first.X - last.X) <= 1 &&
                          System.Math.Abs(first.Y - last.Y) <= 1);
        }