GetSumT() public method

Gets the sum of the pixels in a tilted rectangle of the Integral image.
public GetSumT ( int x, int y, int width, int height ) : long
x int The horizontal position of the rectangle x.
y int The vertical position of the rectangle y.
width int The rectangle's width w.
height int The rectangle's height h.
return long
コード例 #1
0
ファイル: HaarFeature.cs プロジェクト: xyicheng/Accord
        /// <summary>
        ///   Gets the sum of the areas of the rectangular features in an integral image.
        /// </summary>
        /// 
        public double GetSum(IntegralImage2 image, int x, int y)
        {
            double sum = 0.0;

            if (!Tilted)
            {
                // Compute the sum for a standard feature
                foreach (HaarRectangle rect in Rectangles)
                {
                    sum += image.GetSum(x + rect.ScaledX, y + rect.ScaledY,
                        rect.ScaledWidth, rect.ScaledHeight) * rect.ScaledWeight;
                }
            }
            else
            {
                // Compute the sum for a rotated feature
                foreach (HaarRectangle rect in Rectangles)
                {
                    sum += image.GetSumT(x + rect.ScaledX, y + rect.ScaledY,
                        rect.ScaledWidth, rect.ScaledHeight) * rect.ScaledWeight;
                }
            }

            return sum;
        }