C#验证两个QQ头像相似度的示例代码 C#验证两个QQ头像相似度的示例

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

文章图片

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(); }}/// /// 图片大小裁剪/// /// /// 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; }}/// /// 修改图片的大小/// /// 【C#验证两个QQ头像相似度的示例代码】/// /// /// 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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