OpenCVSharp_sample

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using OpenCvSharp;
using OpenCvSharp.CPlusPlus;


namespace OpenCVSharp
{
    class Program
    {
        static int Main(string[] args)
        {

            try
            {
                System.Console.WriteLine("Difference of Gaussian\n");


                Mat src = Cv2.ImRead("image.png");


                Mat blured = new Mat();
                Cv2.Blur(src, blured, Cv.Size(13, 13));

                Mat dog = new Mat();
                Cv2.Subtract(src, blured, dog);

                Mat bin = new Mat();
                Cv2.Threshold(dog, bin, 50/255, 255, ThresholdType.Binary);

                Cv2.ImShow("src", src);
                Cv2.ImShow("blured", blured);
                Cv2.ImShow("dog", dog);
                Cv2.ImShow("bin", bin);
                Cv2.WaitKey(0);


                Mat mymatrix = Mat.Zeros(4, 5, MatType.CV_8UC1);
                Mat mymatrix64 = Mat.Zeros(4, 5, MatType.CV_64FC1);
                mymatrix.ConvertTo(mymatrix64, MatType.CV_64FC1);

                //http://shimat.github.io/opencvsharp/html/9d89f778-a16f-3c09-e194-aabe1067f80d.htm
                //http://shimat.github.io/opencvsharp/html/7bb05237-7ff6-0e19-bfeb-36ea352b3051.htm
                mymatrix64 = mymatrix64.Reduce(OpenCvSharp.ReduceDimension.Column, OpenCvSharp.ReduceOperation.Sum, -1);

                Console.WriteLine("{0} {1}", mymatrix.Cols, mymatrix.Rows);
                Console.WriteLine("{0} {1}", mymatrix64.Cols, mymatrix64.Rows);

            }
            catch (Exception e)
            {
                string s = System.String.Format("Exception: {0}", e.ToString());
                System.Console.WriteLine(s);
            }

            return 0;

            
        }
    }
}