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微软Face API体验——人脸检测

微软推出了全新REST API，现在可免费获取密钥，大家可以赶快申请！申请地址：https://cn.projectoxford.ai/subscription

看了网站的API介绍，忍不住赶快体验一把。

写一个简单的console程序：

public static void test()
        {
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://api.projectoxford.ai/face/v0/detections?subscription-key=xxxxx");
                request.Method = "POST";
                request.ContentType = "application/octet-stream";                
                string url = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "pic1.jpg");
                byte[] requestBody = LoadByteData(url);
                using (Stream stream = request.GetRequestStream())
                {
                    stream.Write(requestBody, 0, requestBody.Length);

                    using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                    {
                        var responseString = response.GetResponseStream();
                        using (var reader = new StreamReader(responseString))
                        {
                            Console.Write(response.StatusCode + reader.ReadToEnd());
                        }
                    }
                }

            }
            catch (WebException wex)
            {
                //verify
                var response = (HttpWebResponse)wex.Response;
                using (var stream = wex.Response.GetResponseStream())
                using (var reader = new StreamReader(stream))
                {
                    Console.Write(response.StatusCode + reader.ReadToEnd());
                }
            }
        }
        private static byte[] LoadByteData(string filePath)
        {
            FileStream file = new FileStream(filePath, FileMode.Open);
            byte[] bytes = new byte[file.Length];
            file.Read(bytes, 0, bytes.Length);
            file.Close();
            return bytes;
        }

结果出来了，测出了人脸，如果设置了年龄、性别参数，还返回了年龄和性别。

文章来自：http://www.cnblogs.com/ms20150612/p/4585720.html