/// <summary>
/// Detecting Face with Cognitive API
/// </summary>
/// <param name="params"></param>
/// <returns></returns>
protected override string RunInBackground(params Stream[] @params)
{
try
{
faceServiceClient = new FaceServiceRestClient(FaceKey);
PublishProgress("잠시만 기다려주세요. 얼굴 인식 중입니다.");
//Get Congnitive API result
Com.Microsoft.Projectoxford.Face.Contract.Face[] result = faceServiceClient.Detect(@params[0],
true, //return FaceId
false, new FaceServiceClientFaceAttributeType[] { FaceServiceClientFaceAttributeType.Age, FaceServiceClientFaceAttributeType.Gender
, FaceServiceClientFaceAttributeType.FacialHair
, FaceServiceClientFaceAttributeType.Smile
, FaceServiceClientFaceAttributeType.Glasses
, FaceServiceClientFaceAttributeType.HeadPose });
if (result != null)
{
//parse json to String
Gson gson = new Gson();
return(gson.ToJson(result));
}
return(null);
}
catch (System.Exception)
{
return(null);
}
}
protected override string RunInBackground(params Stream[] @params)
{
try
{
PublishProgress("PLEASE WAIT...");
var faceServiceClient = new FaceServiceRestClient("https://westcentralus.api.cognitive.microsoft.com/face/v1.0", "5e729af046e44898beda9b4917f6db8d");
Xamarin.Cognitive.Face.Droid.Contract.Face[] result = faceServiceClient.Detect(@params[0], true, false, null);
if (result == null)
{
PublishProgress("detection failed");
return(null);
}
PublishProgress("Detection finished" + result.Length + "faces detected");
Gson gson = new Gson();
return(gson.ToJson(result));
}
catch (System.Exception ex)
{
Console.WriteLine(ex.StackTrace);
return(null);
}
finally
{
_spinner.Dismiss();
}
}
protected override string RunInBackground(params Stream[] @params)
{
PublishProgress("Detecting...");
var faceServiceClient = new FaceServiceRestClient(endPoint, key);
Com.Microsoft.Projectoxford.Face.Contract.Face[] result = faceServiceClient.Detect(@params[0],
true, //FaceId
false, // Face LandMarks
new FaceServiceClientFaceAttributeType[] {
FaceServiceClientFaceAttributeType.Gender,
FaceServiceClientFaceAttributeType.Age,
FaceServiceClientFaceAttributeType.Smile,
FaceServiceClientFaceAttributeType.FacialHair,
FaceServiceClientFaceAttributeType.Glasses
});
// return Face Attributes : age, gender ..etc
if (result == null)
{
PublishProgress("Detection Finished. Nothing detected");
return(null);
}
PublishProgress($"Detection Finished. {result.Length} face(s) detected");
Gson gson = new Gson();
var strResult = gson.ToJson(result);
Console.WriteLine(strResult + "ABC");
return(strResult);
}
public List <FaceModel> GetSecondFaceId(Stream imageStream)
{
var faceServiceClient = new FaceServiceRestClient("https://westcentralus.api.cognitive.microsoft.com/face/v1.0", "a7c0326b9c374041808d54073dd15932");
Xamarin.Cognitive.Face.Droid.Contract.Face[] result = faceServiceClient.Detect(imageStream, true, true, null);
if (result == null)
{
return(null);
}
Gson gson = new Gson();
var json = gson.ToJson(result);
FaceObject2 = JsonConvert.DeserializeObject <List <FaceModel> >(json);
return(FaceObject2);
}
public VerifyResult VerifyFace(Stream firstImageStream, Stream secondImageStream)
{
string mFaceId1 = string.Empty;
string mFaceId2 = string.Empty;
GetFirstFaceId(firstImageStream);
GetSecondFaceId(secondImageStream);
VerifyResult faceRecognitionResult = null;
foreach (var faceItem1 in FaceObject1)
{
mFaceId1 = faceItem1.FaceId;
}
foreach (var faceItem2 in FaceObject2)
{
mFaceId2 = faceItem2.FaceId;
}
Task.Factory.StartNew(() =>
{
try
{
var faceServiceClient = new FaceServiceRestClient("https://westcentralus.api.cognitive.microsoft.com/face/v1.0", "a7c0326b9c374041808d54073dd15932");
faceRecognitionResult = faceServiceClient.Verify(UUID.FromString(mFaceId1), UUID.FromString(mFaceId2));
if (faceRecognitionResult.IsIdentical)
{
//Handler.Invoke(this,null);
// _faceRecognitionActivity._verifyButton.Text = "Verified faces are identical"+ faceRecognitionResult.Confidence;
// Toast.MakeText(_mainactivity, "Identical"+ faceRecognitionResult.Confidence, ToastLength.Long).Show();
}
else
{
// _faceRecognitionActivity._verifyButton.Text = "Verified faces are not identical";
//Toast.MakeText(Application.Context, "NOt Identical"+ faceRecognitionResult.Confidence, ToastLength.Long).Show();
}
return(faceRecognitionResult);
}
catch (Exception ex)
{
return(null);
}
});
return(faceRecognitionResult);
}
public List <FaceModel> GetFirstFaceId(Stream imageStream)
{
try
{
var faceServiceClient = new FaceServiceRestClient("https://westcentralus.api.cognitive.microsoft.com/face/v1.0", "a7c0326b9c374041808d54073dd15932");
Xamarin.Cognitive.Face.Droid.Contract.Face[] result = faceServiceClient.Detect(imageStream, true, true, null);
if (result == null)
{
return(null);
}
Gson gson = new Gson();
var json = gson.ToJson(result);
FaceObject1 = JsonConvert.DeserializeObject <List <FaceModel> >(json);
return(FaceObject1);
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace);
return(null);
}
}
public override void OnCreate()
{
base.OnCreate();
sFaceServiceClient = new FaceServiceRestClient(Context.Resources.GetString(Resource.String.subscription_key));
}
