/// <summary>
/// Called when [pass of window].
/// </summary>
/// <param name="src">The source.</param>//
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="step">The step.</param>
private Task <List <RecognizedObject> > OnePassOfWindow(BitmapSource src, int width, int height, int step)
{
var recognizedList = new List <RecognizedObject>();
int counter = 0;
return(Task.Run(() =>
{
for (int i = 0; i < src.Height - height; i += 2 * step)
{
for (int j = 0; j < src.Width - width; j += step)
{
var frame = new Int32Rect(j, i, width, height);
var croppedImage = _imageProcessor.CropImage(src, frame);
var resizedImage = _imageProcessor.ResizeImage(croppedImage);
//var exactBitmap = GetBitmap(resizedImage);
var hog = ExtractHog(resizedImage.ToByteArray()).ToArray();
//var hog = ExtractHogAccord(exactBitmap).ToArray();
double percent = _svm.Probability(hog);
bool isHuman = percent >= Constants.ETALON_PERCENTAGE;
if (isHuman)
{
recognizedList.Add(new RecognizedObject
{
ID = counter,
Percentage = percent,
Frame = frame,
Image = croppedImage,
Name = $"{width}_{height}_{counter}"
});
resizedImage.SaveImage($"{width}_{height}_{percent}.png");
counter += 1;
}
}
}
return recognizedList;
}
));
}
