人工智能几行代码实现换脸
本篇介绍的换脸方法需要借助Face++，关于Face++的API，大家可自行查看说明文档，都比较简单。
文档地址：https://console.faceplusplus.com.cn/documents/20813963
PYTHON：
import requests import simplejson import json import base64 #Face++网址：[url]https://console.faceplusplus.com.cn/dashboard[/url] #第一步，获取人脸关键点 def find_face(imgpath): print("正在查找……") http_url = 'https://api-cn.faceplusplus.com/facepp/v3/detect' data = {"api_key": '自己申请', "api_secret": '自己申请TLJC', "image_url": imgpath, "return_landmark": 1} files = {"image_file": open(imgpath, "rb")} response = requests.post(http_url, data=data, files=files) req_con = response.content.decode('utf-8') req_dict = json.JSONDecoder().decode(req_con) this_json = simplejson.dumps(req_dict) this_json2 = simplejson.loads(this_json) print(this_json2) faces = this_json2['faces'] list0 = faces[0] rectangle = list0['face_rectangle'] #print(rectangle) return rectangle #第二步，换脸，其中图片的大小应不超过2M # number表示换脸的相似度 def merge_face(image_url1, image_url2, image_url, number): ff1 = find_face(image_url1) ff2 = find_face(image_url2) rectangle1 = str(str(ff1['top']) + "," + str(ff1['left']) + "," + str(ff1['width']) + "," + str(ff1['height'])) rectangle2 = str(ff2['top']) + "," + str(ff2['left']) + "," + str(ff2['width']) + "," + str(ff2['height']) print(rectangle2) url_add = "https://api-cn.faceplusplus.com/imagepp/v1/mergeface" f1 = open(image_url1, 'rb') f1_64 = base64.b64encode(f1.read()) f1.close() f2 = open(image_url2, 'rb') f2_64 = base64.b64encode(f2.read()) f2.close() data = {"api_key": '自己申请', "api_secret": '自己申请TLJC', "template_base64": f1_64, "template_rectangle": rectangle1, "merge_base64": f2_64, "merge_rectangle": rectangle2, "merge_rate": number} response = requests.post(url_add, data=data) req_con1 = response.content.decode('utf-8') #print(req_con1) req_dict = json.JSONDecoder().decode(req_con1) result = req_dict['result'] imgdata = base64.b64decode(result) file = open(image_url, 'wb') file.write(imgdata) file.close() image1 = r"E:\test\img01.jpg" image2 = r"E:\test\img02.jpg" image = r"E:\test\imgh.jpg" merge_face(image2, image1, image, 90)
C#：
/*POST请求类*/ using System; using System.Collections.Generic; using System.IO; using System.Net; using System.Net.Security; using System.Security.Cryptography.X509Certificates; using System.Text; using System.Threading; namespace MgLiveCOM_Eyes { public static class HttpHelper4MultipartForm { public class FileParameter { public byte[] File { get; set; } public string FileName { get; set; } public string ContentType { get; set; } public FileParameter(byte[] file) : this(file, null) { } public FileParameter(byte[] file, string filename) : this(file, filename, null) { } public FileParameter(byte[] file, string filename, string contenttype) { this.File = file; this.FileName = filename; this.ContentType = contenttype; } } private static readonly Encoding encoding = Encoding.UTF8; /// <summary> /// MultipartForm请求 /// </summary> /// <param name="postUrl">服务地址</param> /// <param name="userAgent"></param> /// <param name="postParameters">参数</param> /// <returns></returns> public static HttpWebResponse MultipartFormDataPost(string postUrl, string userAgent, Dictionary<string, object> postParameters) { string text = string.Format("----------{0:N}", Guid.NewGuid()); string contentType = "multipart/form-data; boundary=" + text;//multipart类型 byte[] multipartFormData = HttpHelper4MultipartForm.GetMultipartFormData(postParameters, text); return HttpHelper4MultipartForm.PostForm(postUrl, userAgent, contentType, multipartFormData); } private static HttpWebResponse PostForm(string postUrl, string userAgent, string contentType, byte[] formData) { HttpWebRequest httpWebRequest = WebRequest.Create(postUrl) as HttpWebRequest; if (httpWebRequest == null) { throw new NullReferenceException("request is not a http request"); } httpWebRequest.Method = "POST";//post方式 httpWebRequest.SendChunked = false; httpWebRequest.KeepAlive = true; httpWebRequest.Proxy = null; httpWebRequest.Timeout = Timeout.Infinite; httpWebRequest.ReadWriteTimeout = Timeout.Infinite; httpWebRequest.AllowWriteStreamBuffering = false; httpWebRequest.ProtocolVersion = HttpVersion.Version11; httpWebRequest.ContentType = contentType; httpWebRequest.CookieContainer = new CookieContainer(); httpWebRequest.ContentLength = (long)formData.Length; try { using (Stream requestStream = httpWebRequest.GetRequestStream()) { int bufferSize = 4096; int position = 0; while (position < formData.Length) { bufferSize = Math.Min(bufferSize, formData.Length - position); byte[] data = new byte[bufferSize]; Array.Copy(formData, position, data, 0, bufferSize); requestStream.Write(data, 0, data.Length); position += data.Length; } requestStream.Close(); } } catch (Exception ex) { return null; } HttpWebResponse result; try { result = (httpWebRequest.GetResponse() as HttpWebResponse); } catch (WebException arg_9C_0) { result = (arg_9C_0.Response as HttpWebResponse); } return result; } public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; } /// <summary> /// 从表单中获取数据 /// </summary> /// <param name="postParameters"></param> /// <param name="boundary"></param> /// <returns></returns> private static byte[] GetMultipartFormData(Dictionary<string, object> postParameters, string boundary) { Stream stream = new MemoryStream(); bool flag = false; foreach (KeyValuePair<string, object> current in postParameters) { if (flag) { stream.Write(HttpHelper4MultipartForm.encoding.GetBytes("\r\n"), 0, HttpHelper4MultipartForm.encoding.GetByteCount("\r\n")); } flag = true; if (current.Value is HttpHelper4MultipartForm.FileParameter) { HttpHelper4MultipartForm.FileParameter fileParameter = (HttpHelper4MultipartForm.FileParameter)current.Value; string s = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n", new object[] { boundary, current.Key, fileParameter.FileName ?? current.Key, fileParameter.ContentType ?? "application/octet-stream" }); stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s)); stream.Write(fileParameter.File, 0, fileParameter.File.Length); } else { string s2 = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}", boundary, current.Key, current.Value); stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s2), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s2)); } } string s3 = "\r\n--" + boundary + "--\r\n"; stream.Write(HttpHelper4MultipartForm.encoding.GetBytes(s3), 0, HttpHelper4MultipartForm.encoding.GetByteCount(s3)); stream.Position = 0L; byte[] array = new byte[stream.Length]; stream.Read(array, 0, array.Length); stream.Close(); return array; } } } 调用示例 //参数字典 Dictionary<string, object> verifyPostParameters = new Dictionary<string, object>(); verifyPostParameters.Add("api_key", "KEY"); verifyPostParameters.Add("api_secret", "SECRET"); verifyPostParameters.Add("return_landmark", "1"); verifyPostParameters.Add("return_attributes", "gender,age,smiling,headpose,facequality,blur,eyestatus,emotion,ethnicity,beauty,mouthstatus,eyegaze,skinstatus"); Bitmap bmp = new Bitmap("/tmp/1.jpg"); // 图片地址 byte[] fileImage; using (Stream stream1 = new MemoryStream()) { bmp.Save(stream1, ImageFormat.Jpeg); byte[] arr = new byte[stream1.Length]; stream1.Position = 0; stream1.Read(arr, 0, (int)stream1.Length); stream1.Close(); fileImage= arr; } //添加图片参数 verifyPostParameters.Add("image_file", new HttpHelper4MultipartForm.FileParameter(fileImage, "1.jpg", "application/octet-stream")); HttpWebResponse verifyResponse = HttpHelper4MultipartForm.MultipartFormDataPost("https://api-cn.faceplusplus.com/facepp/v3/detect", "", verifyPostParameters);
