C#怎么验证两个QQ头像相似度

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利用c#查看出某个其他qq的头像与自己头像的相似度，先看效果图

这里我是将左边的头像作为比对的基本图，我目前做的是一图比对一图，因为理解好了一对一，一对多也不难，我们可以得出相似的像素，然后大于多少百分比就是同一图的改变了，以下是完整代码

using Newtonsoft.JSON;using Newtonsoft.json.Linq;using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Diagnostics;using System.Drawing;using System.Drawing.Drawing2D;using System.Drawing.Imaging;using System.IO;using System.Linq;using System.net;using System.Net.Http;using System.Text;using System.Threading.Tasks;using System.windows.FORMs;namespace WindowsFormsApp1{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        public static int width; //图片宽        public static int height;//图片高        public static string mypicurl;//我的图片地址        public static string picurl;//图片地址        private void Form1_Load(object sender, EventArgs e)        {            this.MyPicture.SizeMode = PictureBoxSizeMode.StretchImage;            this.MyPicture.BorderStyle = BorderStyle.FixedSingle;            this.OtherPicture.SizeMode = PictureBoxSizeMode.StretchImage;            this.OtherPicture.BorderStyle = BorderStyle.FixedSingle;            this.explain.Text = "操作步骤：左边输入自己qq号查看显示，右边输入别人qq号，点击查看，点击验证，得出结果。";        }        private void button2_Click(object sender, EventArgs e)        {            Stopwatch stopwatch = new Stopwatch();            stopwatch.Start();            int countSame = 0;            int countDifferent = 0;            Image img = this.MyPicture.Image;            Bitmap bitmapSource = new Bitmap(img);            //Bitmap bitmapSource = BytesToBitmap(ResizeImage(mypicurl));            width = bitmapSource.Width;            height = bitmapSource.Height;            Bitmap bitmapTarget = BytesToBitmap(ResizeImage(picurl));            //照片尺寸必须一样            for (int i = 0; i < bitmapTarget.Width; i++)            {                for (int j = 0; j < bitmapTarget.Height; j++)                {                    if (bitmapSource.GetPixel(i, j).Equals(bitmapTarget.GetPixel(i, j)))                    {                        countSame++;                    }                    else                    {                        countDifferent++;                    }                }            }            stopwatch.Stop();            this.result.Text = "相同像素个数：" + countSame + "，不同像素个数：" + countDifferent + "用时：" + stopwatch.ElapsedMilliseconds + " 毫秒";        }        //byte[] 转图片          public static Bitmap BytesToBitmap(byte[] Bytes)        {            MemoryStream stream = null;            try            {                stream = new MemoryStream(Bytes);                return new Bitmap((Image)new Bitmap(stream));            }            catch (ArgumentNullException ex)            {                throw ex;            }            catch (ArgumentException ex)            {                throw ex;            }            finally            {                stream.Close();            }        }        /// <summary>        /// 图片大小裁剪        /// </summary>        /// <param name="filePath"></param>        /// <returns></returns>        public static byte[] ResizeImage(string filePath)        {            WEBRequest request = (WebRequest)HttpWebRequest.Create(filePath);            WebResponse response = request.GetResponse();            using (Stream stream = response.GetResponseStream())            {                Bitmap bm = (Bitmap)Image.FromStream(stream);                bm = GetThumbnail(bm, height, width);                MemoryStream ms = new MemoryStream();                bm.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);                byte[] bytes = ms.GetBuffer();  //byte[]   bytes=   ms.ToArray(); 这两句都可以，至于区别么，下面有解释                ms.Close();                return bytes;            }        }        /// <summary>        /// 修改图片的大小        /// </summary>        /// <param name="b"></param>        /// <param name="destHeight"></param>        /// <param name="destWidth"></param>        /// <returns></returns>        public static Bitmap GetThumbnail(Bitmap b, int destHeight, int destWidth)        {            System.Drawing.Image imgSource = b;            System.Drawing.Imaging.ImageFormat thisFormat = imgSource.RawFormat;            int sW = 0, sH = 0;            // 按比例缩放                       int sWidth = imgSource.Width;            int sHeight = imgSource.Height;            if (sHeight > destHeight || sWidth > destWidth)            {                if ((sWidth * destHeight) > (sHeight * destWidth))                {                    sW = destWidth;                    sH = (destWidth * sHeight) / sWidth;                }                else                {                    sH = destHeight;                    sW = (sWidth * destHeight) / sHeight;                }            }            else            {                sW = sWidth;                sH = sHeight;            }            Bitmap outBmp = new Bitmap(destWidth, destHeight);            Graphics g = Graphics.FromImage(outBmp);            g.Clear(Color.Transparent);            // 设置画布的描绘质量                     g.CompositingQuality = CompositingQuality.HighQuality;            g.SmoothingMode = SmoothingMode.HighQuality;            g.InterpolationMode = InterpolationMode.HighQualityBicubic;            g.DrawImage(imgSource, new Rectangle((destWidth - sW) / 2, (destHeight - sH) / 2, sW, sH), 0, 0, imgSource.Width, imgSource.Height, GraphicsUnit.Pixel);            g.Dispose();            // 以下代码为保存图片时，设置压缩质量                 EncoderParameters encoderParams = new EncoderParameters();            long[] quality = new long[1];            quality[0] = 100;            EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);            encoderParams.Param[0] = encoderParam;            imgSource.Dispose();            return outBmp;        }        private void button3_Click(object sender, EventArgs e)        {            if (this.OtherQQ.Text == "")            {                MessageBox.Show("请输入qq号！");                return;            }            HttpClient httpClient = new HttpClient();            string url = "https://api.usuuu.com/qq/" + this.OtherQQ.Text;            var rsp = httpClient.GetAsync(url).Result;            var str = rsp.Content.ReadAsStringAsync().Result;            JObject jo = (JObject)JsonConvert.DeserializeObject(str);            if ((string)jo["code"] == "200")             {                Image pic = Image.FromStream(WebRequest.Create((string)jo["data"]["avatar"]).GetResponse().GetResponseStream());                this.OtherPicture.Image = pic;                picurl = (string)jo["data"]["avatar"];            }            else            {                MessageBox.Show("请输入正确的qq号！");            }        }        private void button4_Click(object sender, EventArgs e)        {            if (this.MyQQ.Text == "")            {                MessageBox.Show("请输入qq号！");                return;            }            HttpClient httpClient = new HttpClient();            string url = "https://api.usuuu.com/qq/" + this.MyQQ.Text;            var rsp = httpClient.GetAsync(url).Result;            var str = rsp.Content.ReadAsStringAsync().Result;            JObject jo = (JObject)JsonConvert.DeserializeObject(str);            if ((string)jo["code"] == "200")            {                Image pic = Image.FromStream(WebRequest.Create((string)jo["data"]["avatar"]).GetResponse().GetResponseStream());                this.MyPicture.Image = pic;                mypicurl = (string)jo["data"]["avatar"];            }            else            {                MessageBox.Show("请输入正确的qq号！");            }        }    }}

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