public bool TrainRecognizer()
{
var allFaces = dbAccess.CallFaces("ALL_USERS");
if (allFaces != null)
{
var faceImages = new Image <Gray, byte> [allFaces.Count];
var faceLabels = new int[allFaces.Count];
for (int i = 0; i < allFaces.Count; i++)
{
Stream stream = new MemoryStream();
stream.Write(allFaces[i].Image, 0, allFaces[i].Image.Length);
var faceImage = new Image <Gray, byte>(new Bitmap(stream));
faceImages[i] = faceImage.Resize(100, 100, Inter.Cubic);
faceLabels[i] = allFaces[i].UserId;
}
faceRecognizer.Train(faceImages, faceLabels);
faceRecognizer.Save(recognizerFilePath);
}
return(true);
}
