public static async Task ProcessCameraCapture(ImageAnalyzer e, int imageId)
{
DateTime start = DateTime.Now;
await e.DetectFacesAsync(true);
//await e.DetectEmotionAsync();
if (e.DetectedFaces.Any())
{
//var faces = e.DetectedFaces.Select(f =>
// new CognitiveFaceResult()
// {
// Gender = f.FaceAttributes.Gender[0].ToString().ToUpper() + f.FaceAttributes.Gender.Substring(1),
// Age = f.FaceAttributes.Age,
// Left = f.FaceRectangle.Left,
// Top = f.FaceRectangle.Top,
// Width = f.FaceRectangle.Width,
// Height = f.FaceRectangle.Height
// });
//DisplayMessage(GetFaceAttributeString(e));
var result = new CognitiveFaceResult();
await e.IdentifyFacesAsync(PersonGroupId);
result.Attributes = GetFaceAttributeString(e);
if (e.IdentifiedPersons.Any())
{
result.IdentitiedPersons = GetGreettingFromFaces(e);
}
else
{
result.IdentitiedPersons = "No Idea, who you are... Register your face.";
}
FacesDetectedCallback.Invoke(result);
//greetingsText = GetFaceAttributeString(e) + "\r\n" + greetingsText;
//if (e.IdentifiedPersons.Any())
//{
// if (GreetingsCallback != null)
// {
// DisplayMessage(greetingsText);
// }
// //Console.WriteLine(greetingsText);
//}
//else
//{
// DisplayMessage("No Idea, who you are... Register your face.");
// //Console.WriteLine("No Idea");
//}
}
else
{
// DisplayMessage("No face detected.");
//Console.WriteLine("No Face ");
}
TimeSpan latency = DateTime.Now - start;
var latencyString = string.Format("Face API latency: {0}ms", (int)latency.TotalMilliseconds);
//Console.WriteLine(latencyString);
}
protected override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.FaceIdentify);
this.cameraPreview = this.FindViewById <CameraSourcePreview>(Resource.Id.preview);
this.graphicOverlay = this.FindViewById <GraphicOverlay>(Resource.Id.faceOverlay);
var button = (ImageButton)this.FindViewById(Resource.Id.flipButton);
button.Click += (sender, args) =>
{
this.isFrontFacing = !this.isFrontFacing;
if (this.cameraSource != null)
{
this.cameraSource.Release();
this.cameraSource = null;
}
this.CreateCameraSource();
this.StartCameraSource();
};
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Permission.Granted)
{
this.CreateCameraSource();
LiveCamHelper.Init();
LiveCamHelper.GreetingsCallback = (s) => { this.RunOnUiThread(() => Greetings = s); };
LiveCamHelper.FacesDetectedCallback = result => { this.RunOnUiThread(() => CognitiveFacesResult = result); };
this.faceService = new FaceService();
await this.faceService.Initialize();
//using (var stream = File.OpenRead("/data/user/0/CognitiveDemo.Droid/files/CognitivveFrame.png"))
//{
// await this.faceService.IdentityFace(stream);
//}
}
else
{
this.RequestCameraPermission();
}
}
