public async Task <string> Process(string imgPath)
{
IList <DetectedFace> facesResult;
// ImageAnalysis visionResult = null;
try
{
Image image;
using (var stream = File.Open(imgPath, FileMode.Open))
{
image = Image.FromStream(stream);
}
// проверка (Emgu, Виола-Джонс) есть ли лицо
var haveFaces = FaceDetector.ContainsFaces(new Bitmap(image));
if (!haveFaces)
{
return("No attention");
}
// анализ лица
var face = new FaceService.Create()
.WithSubscriptionKey(AzureConstants.FaceSubscriptionKey)
.WithEndpoint(AzureConstants.FaceEndpoint)
.Get().Init();
facesResult = await face.AnalyzeFaceLocalAsync(imgPath);
}
catch (Exception ex)
{
MessageSender.ErrorMessage(ex.Message);
return(null);
}
/*
* // анализа изображения
* var computeVision = new VisionService.Create()
* .WithSubscriptionKey(AzureConstants.VisionSubscriptionKey)
* .WithEndpoint(AzureConstants.VisionUriBase)
* .Get().Init();
*
* visionResult = await computeVision.AnalyzeLocalAsync(imgPath);
*/
var dictionary = new Dictionary <string, double>
{
{ "Anger", facesResult?.First().FaceAttributes.Emotion.Anger ?? 0 },
{ "Contempt", facesResult?.First().FaceAttributes.Emotion.Contempt ?? 0 },
{ "Disgust", facesResult?.First().FaceAttributes.Emotion.Disgust ?? 0 },
{ "Fear", facesResult?.First().FaceAttributes.Emotion.Fear ?? 0 },
{ "Happiness", facesResult?.First().FaceAttributes.Emotion.Happiness ?? 0 },
{ "Neutral", facesResult?.First().FaceAttributes.Emotion.Neutral ?? 0 },
{ "Sadness", facesResult?.First().FaceAttributes.Emotion.Sadness ?? 0 },
{ "Surprise", facesResult?.First().FaceAttributes.Emotion.Surprise ?? 0 }
};
// todo handle gender
// var gender = facesResult?.First().FaceAttributes.Gender.ToString();
// todo revise whether we need it
// var smile = facesResult?.First().FaceAttributes.Smile.ToString();
return(dictionary.Aggregate((x, y) => x.Value > y.Value ? x : y).Key);
}