/// <summary>
/// Scales the values of rectangle
/// </summary>
public static void ScaleRectangle(ref HaarRectangle rect, float scaleRect, float scaleWeight)
{
rect.ScaledX = (int)(rect.X * scaleRect);
rect.ScaledY = (int)(rect.Y * scaleRect);
rect.ScaledWidth = (int)(rect.Width * scaleRect);
rect.ScaledHeight = (int)(rect.Height * scaleRect);
rect.ScaledWeight = rect.Weight * scaleWeight;
}
/// <summary>
/// Gets the sum of a rectangular feature in an integral image.
/// </summary>
public static float GetSum(ref HaarRectangle rect, IImage2DUIntA integralImage, int x, int y)
{
return integralImage.GetIntegralSum(x + rect.ScaledX, y + rect.ScaledY, rect.ScaledWidth, rect.ScaledHeight) * rect.ScaledWeight;
}
