/// <summary>
/// 人脸检测
/// </summary>
private void FaceDetect()
{
Dictionary <string, object> options = new Dictionary <string, object>();
//options["face_field"] = "age,beauty,expression,faceshape,gender,glasses,landmark,race,quality,facetype";
// var imageBase64 = Common.BitmapToBase64(bitmap);
var jObject = face.Detect(imageBase64, "BASE64", options);
var error_code = int.Parse(jObject["error_code"].ToString());
if (error_code > 0)
{
faceSearch = null;
}
else
{
var result = jObject["result"];
faceDetect = JsonConvert.DeserializeObject <FaceDetectResultModel>(result.ToString());
}
}
/// <summary>
/// 摄像头初始化
/// </summary>
private void VideoLoaded()
{
try
{
this.imageHeader.Source = Common.BitmapToBitmapSource(Properties.Resources.noimage);
this.imageAni.Source = Common.BitmapToBitmapSource(Properties.Resources.face);
this.userID.Text = "";
this.userName.Text = "";
this.workTime.Text = "";
this.machineID.Text = "";
_VideoSource = Video.GetVideoSource();
//获取摄像头参数
if (null == _VideoSource)
{
System.Windows.MessageBox.Show("没有检测到摄像头");
this.Close();
return;
}
this.VideoPlayer.VideoSource = _VideoSource;
this.VideoPlayer.Start();
//线程控制人脸采集
Task.Factory.StartNew(() =>
{
Task.Delay(500).Wait();
while (!cancellationTokenSource.IsCancellationRequested)
{
try
{
if (_VideoSource == null || !_VideoSource.IsRunning)
{ //usb接口异常，重新连接摄像头
this.Dispatcher.BeginInvoke(new Action(() => {
_VideoSource = Video.GetVideoSource();
if (_VideoSource != null)
{
_VideoSource.Stop();
_VideoSource.WaitForStop();
this.VideoPlayer.Stop();
this.VideoPlayer.VideoSource = _VideoSource;
this.VideoPlayer.Start();
}
}), null);
}
if (Globals.IsOnline)
{
bitmap = this.VideoPlayer.GetCurrentVideoFrame();
if (bitmap == null)
{
continue;
}
lock (lockObj)
{
imageBase64 = Common.BitmapToBase64(bitmap);
i = 200;
var result = FaceSearch();
if (result)
{
FaceDetect();
this.Dispatcher.BeginInvoke(new Action(PictureControl), null);
cancellationTokenSource.Cancel();
}
else
{
faceDetect = null;
if (!FaceCollect())
{
bitmap.Dispose();
imageBase64 = null;
}
}
}
}
else
{
Thread.Sleep(200);
if (!ArcFace.Api.Init(out string msg, AppId, DKey, RKey, 50, 500, FaceDataPath))
{
System.Windows.MessageBox.Show(msg);
this.Close();
return;
}
var img = this.VideoPlayer.GetCurrentVideoFrame();
if (img == null)
{
continue;
}
bool result = ArcFace.Api.FaceMatch(img);
this.Dispatcher.BeginInvoke(new Action <bool>(PictureCapture), new object[] { result });
if (_RegisterIndex != -1 && ArcFace.Api.CacheFaceResults.Items.Count > 0)
{
if (result && ArcFace.Api.CacheFaceResults[_RegisterIndex].Score != 0)
{
img.Dispose();
cancellationTokenSource.Cancel();
}
if (string.IsNullOrEmpty(ArcFace.Api.CacheFaceResults[_RegisterIndex].ID) &&
ArcFace.Api.CacheFaceResults[_RegisterIndex].Score == 0 &&
ArcFace.Api.CacheFaceResults[_RegisterIndex].Rectangle != null)
{
try
{
if (bitmap == null)
{
bitmap = img.Clone(new System.Drawing.Rectangle(0, 0, img.Width, img.Height), img.PixelFormat);
img.Dispose();
this.Dispatcher.BeginInvoke(new Action(FaceRegister), null);
//cancellationTokenSource.Cancel();
}
}
catch (Exception ex)
{
//throw ex;
}
}
else
{
img.Dispose();
}
}
else
{
img.Dispose();
}
}
//检测到用户，使用UserGet接口
//未检测到用户，使用FaceDetect接口,并注册用户
Thread.Sleep(100);
}
catch (Exception ex)
{
//throw;
}
}
}, cancellationTokenSource.Token);
}
catch (Exception)
{
throw;
}
}
