COpenCvSharp 通道分离

项目

代码

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using OpenCvSharp;

using OpenCvSharp.Extensions;

namespace OpenCvSharp_通道分离

{

public partial class Form1 : Form

{

public Form1

{

InitializeComponent;

}

private string fileFilter = "*.*|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";

Bitmap bmp;

String imgPath = "";

Mat mat;

private void button2_Click(object sender, EventArgs e)

{

OpenFileDialog ofd = new OpenFileDialog;

ofd.Filter = fileFilter;

if (ofd.ShowDialog != DialogResult.OK) return;

imgPath = ofd.FileName;

bmp = new Bitmap(imgPath);

mat = new Mat(imgPath, ImreadModes.AnyColor);

pictureBox1.Image = bmp;

}

private void button1_Click(object sender, EventArgs e)

{

if (pictureBox1.Image == )

{

return;

}

//BGR

Mat[] mats = Cv2.Split(mat);

if (radioButton1.Checked)

{

//灰度图

pictureBox2.Image = BitmapConverter.ToBitmap(mats[0]);

pictureBox3.Image = BitmapConverter.ToBitmap(mats[1]);

pictureBox4.Image = BitmapConverter.ToBitmap(mats[2]);

//Window b = new Window("B", WindowMode.Normal);

//Window g = new Window("G", WindowMode.Normal);

//Window r = new Window("R", WindowMode.Normal);

//b.ShowImage(mats[0]);

//g.ShowImage(mats[1]);

//r.ShowImage(mats[2]);

}

else

{

//彩色图

//创建一个空通道0

Mat zero = new Mat(mats[0].Size, MatType.CV_8UC1, new Scalar(0));

Mat bsum = new Mat;

Mat gsum = new Mat;

Mat rsum = new Mat;

Cv2.Merge(new Mat[] { mats[0], zero, zero }, bsum);//(b,0,0)图像

Cv2.Merge(new Mat[] { zero, mats[1], zero }, gsum);//(0,g,0)图像

Cv2.Merge(new Mat[] { zero, zero, mats[2] }, rsum);//(0,0,r)图像

pictureBox2.Image = BitmapConverter.ToBitmap(bsum);

pictureBox3.Image = BitmapConverter.ToBitmap(gsum);

pictureBox4.Image = BitmapConverter.ToBitmap(rsum);

}

}

private void Form1_Load(object sender, EventArgs e)

{

radioButton1.Checked = true;

}

}

}