C# 图像对比 实例源码

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace 图像比较
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if(openFileDialog1.ShowDialog()==DialogResult.OK){
                textBox1.Text = openFileDialog1.FileName;
                pictureBox1.Image = Image.FromFile(textBox1.Text);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox2.Text = openFileDialog1.FileName;
                pictureBox2.Image = Image.FromFile(textBox2.Text);
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            pictureBox1.Image = Image.FromFile(textBox1.Text);
            pictureBox2.Image = Image.FromFile(textBox2.Text);
            string oHashCode = ImageHelper.produceFingerPrint((System.Drawing.Image)pictureBox1.Image.Clone());
            textBox3.Text = oHashCode;
            string nHashCode = ImageHelper.produceFingerPrint((System.Drawing.Image)pictureBox2.Image.Clone());
            textBox4.Text = nHashCode;
            int difference = ImageHelper.hammingDistance(oHashCode, nHashCode);
            if (difference == 0)
            {
                textBox5.Text = "第一张图片跟第二张图片一样" ;
            }
            else if (difference <= 7)
            {
                textBox5.Text = "第一张图片跟第二张图片非常相似";
            }
            else if (difference <= 12)
            {
                textBox5.Text = "第一张图片跟第二张图片有点相似" ;
            }
            else if (difference > 12)
            {
                textBox5.Text = "第一张图片跟第二张图片完全不一样";
            }
        }
    }
}