emgucv下载与安装

下载地址：http://sourceforge.net/projects/emgucv/files/emgucv/

安装参考地址：

http://blog.sina.com.cn/s/blog_4a185333010156ig.html

http://blog.sina.com.cn/s/blog_75e063c10100x3hb.html

测试程序：

<span style="font-size:18px;">using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Emgu.Util;
using Emgu.CV;
using Emgu.CV.Structure;
using System.Threading;

namespace emguTest
{
    public partial class Form1 : Form
    {
        private Capture capt = null;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.btnBegin.Enabled = true; 
            this.btnEnd.Enabled = false;
        }
        private void GetFrame(object sender, EventArgs e)
        {
            Image<Bgr, Byte> frame = capt.QueryFrame();
            imageBox1.Image = frame;
        }  
        private void btnBegin_Click(object sender, EventArgs e)
        {
            try
            {
                if (capt == null)
                {
                    capt = new Capture();
                }
            }
            catch (NullReferenceException excpt)
            {
                MessageBox.Show(excpt.Message);
            }
            if (capt != null)
            {
                btnBegin.Enabled = false;
                btnEnd.Enabled = true;
                Application.Idle += new EventHandler(GetFrame);
            }        
        }

        private void btnEnd_Click(object sender, EventArgs e)
        {
            if (capt != null)
            {
                btnBegin.Enabled = true;
                btnEnd.Enabled = false;
                Application.Idle -= new EventHandler(GetFrame);
            }
        }

       
    }
}
</span>

测试过程出现的问题：

Emgu.CV.CvInvoke的类型初始值设定项引发异常。

解决方法：是将Emgu\emgucv-windows-x86 XXX\bin\x86目录下的所有.dll文件都复制到工程目录下，运行后问题就解决了。