private async Task <FaceEmotionDetection> DetectFaceAndEmotionsAsync(IRandomAccessStream imageStream)//MediaFile inputFile)
{
try
{
// Get emotions from the specified stream
//This method can receive either a stream or a URL as an argument
Emotion[] emotionResult = await emotionServiceClient.RecognizeAsync(imageStream.AsStream());
// Assuming the picture has one face, retrieve emotions for the
// first item in the returned array
var faceEmotion = emotionResult[0]?.Scores.ToRankedList().Cast <FaceEmotionDetection>();
//tblEmotion.Text = faceEmotion.ToString() ;
// Create a list of face attributes that the
// app will need to retrieve
var requiredFaceAttributes = new FaceAttributeType[] {
FaceAttributeType.Age,
FaceAttributeType.Gender,
FaceAttributeType.Smile,
FaceAttributeType.FacialHair,
FaceAttributeType.HeadPose,
FaceAttributeType.Glasses
};
// Get a list of faces in a picture
var faces = await faceServiceClient.DetectAsync(imageStream.AsStream(),
false, false, requiredFaceAttributes);
// Assuming there is only one face, store its attributes
var faceAttributes = faces[0]?.FaceAttributes;
FaceEmotionDetection faceEmotionDetection = new FaceEmotionDetection();
faceEmotionDetection.Age = faceAttributes.Age;
faceEmotionDetection.Emotion = faceEmotion.FirstOrDefault().Key;
faceEmotionDetection.Glasses = faceAttributes.Glasses.ToString();
faceEmotionDetection.Smile = faceAttributes.Smile;
faceEmotionDetection.Gender = faceAttributes.Gender;
faceEmotionDetection.Moustache = faceAttributes.FacialHair.Moustache;
faceEmotionDetection.Beard = faceAttributes.FacialHair.Beard;
return(faceEmotionDetection);
}
catch (Exception ex)
{
await DisplayAlert("Error", ex.Message, "OK");
return(null);
}
}
private async void BtnEmotions_Click(object sender, RoutedEventArgs e)
{
try
{
FaceEmotionDetection faceEmotion = await DetectFaceAndEmotionsAsync(imageStream);
// emotionresult = await this.emotionServiceClient.RecognizeAsync(imageStream.AsStream());
// if (emotionresult != null)
// {
// EmotionScores score = emotionresult[0].Scores;
// tblEmotion.Text = "Your Emotions are : \n" +
// "Happiness: " + (score.Happiness) * 100 + " %" + "\n" +
// "Sadness: " + (score.Sadness) * 100 + " %" + "\n" +
// "Surprise: " + (score.Surprise) * 100 + " %" + "\n" +
// "Neutral: " + (score.Neutral) * 100 + " %" + "\n" +
// "Anger: " + (score.Anger) * 100 + " %" + "\n" +
// "Contempt: " + (score.Contempt) * 100 + " %" + "\n" +
// "Disgust: " + (score.Disgust) * 100 + " %" + "\n" +
// "Fear: " + (score.Fear) * 100 + " %" + "\n";
// }
}
catch
{
tblEmotion.Text = "Error Returning the Emotions from API";
}
}
