public JObject face_detect_using_aip(string userid, Bitmap bmap)
{
//client = new Baidu.Aip.Face.Face(API_KEY, SECRET_KEY);
//client.Timeout = 6000;
string image = bitmap2BASE64(bmap);
var imageType = "BASE64";
var options = new Dictionary <string, object>
{
{ "max_face_num", 1 },
{ "face_field", "age,beauty,expression,faceshape,gender,glasses,race,qualities" }
};
renew();
return(client.Detect(image, imageType, options));
}
/// <summary>
/// 人脸检测，进行红框绘制
/// </summary>
/// <returns></returns>
private void FaceCheck(object objImagePath)
{
try
{
string strImagePath = (string)objImagePath;
var client = new Baidu.Aip.Face.Face(appKey, sKey);
var image = Convert.ToBase64String(File.ReadAllBytes(strImagePath));
var imageType = "BASE64";
var options = new Dictionary <string, object> {
{
"max_face_num", 5
}
};
// 带参数调用人脸检测
var result = client.Detect(image, imageType, options);
Console.WriteLine(result);
//如果有人脸，则将图片加载到识别结果中
if (int.Parse(result["result"]["face_num"].ToString()) > 0)
{
this.BeginInvoke(new Action(() =>
{
//清空之前的查询结果
this.listView1.Items.Clear();
//直接从内存中拿数据，不用再读写磁盘数据，即将base64转为stream
byte[] imageBytes = Convert.FromBase64String(image);
using (MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length))
{
ms.Write(imageBytes, 0, imageBytes.Length);
this.pictureBox2.Image = Image.FromStream(ms, true);
//根据返回的人脸数据进行红框的绘制
Image img = pictureBox2.Image;
var faceArr = JsonConvert.DeserializeObject <List <FaceCheckResult> >(result["result"]["face_list"].ToString());
string strAllUsers = "";
foreach (var item in faceArr)
{
Graphics g = Graphics.FromImage(img);
Pen pen = new Pen(Color.Red, 3);
pen.DashStyle = DashStyle.Solid;
g.RotateTransform(item.location.rotation);
g.TranslateTransform((float)item.location.left, (float)item.location.top, MatrixOrder.Append);
g.DrawRectangle(pen, new Rectangle(0, 0, (int)item.location.width, (int)item.location.height));
g.Dispose();
strAllUsers += FaceSearch(item);
}
if (!string.IsNullOrEmpty(strAllUsers))
{
Thread tVoice = new Thread(VoiceBroadcast);
tVoice.Start("你好，" + strAllUsers);
}
};
}));
}
}
catch (Exception exp)
{
return;
}
}
