public async Task <WisTResponse> CheckAsync(LoginInfo userInfo)
{
WisTResponse response;
var detectConfig = _configuration["FaceClassifierPath"];
var recognizeConfig = _configuration["TransistRateCoefficient"];
var rootPath = _hostingEnvironemnt.ContentRootPath;
var transistRateCoefficient = double.Parse(recognizeConfig, new NumberFormatInfo {
NumberDecimalSeparator = "."
});
var pathToHaar = Path.Combine(rootPath, detectConfig);
Bitmap image;
using (var memoryStream = new MemoryStream())
{
await userInfo.Photo.CopyToAsync(memoryStream);
image = new Bitmap(Image.FromStream(memoryStream));
}
var _prjPath = Directory.GetParent(Directory.GetCurrentDirectory()).FullName;
FaceImage userFace;
try
{
userFace = new FaceImage(image, pathToHaar);
var recognizer = new Recognizer.Identifier.Recognizer(_labelRepo, transistRateCoefficient);
IIdentifier usersId = recognizer.GetIdentity(userFace);
if (usersId.IdentifingCode != -1)
{
response = WisTResponse.Recognized;
response.UserName = _labelRepo.Get(usersId).Name;
}
else
{
response = WisTResponse.NotRegistered;
}
}
catch (UndetectedFaceException)
{
response = WisTResponse.NotDetectedFace;
}
return(response);
}
