Features.BitExact.equalImagesFast C# (CSharp) Method

        public bool equalImagesFast(int first, int second)
        {
            ImageInfo temp1 = null, temp2 = null;
            int size = similarSizes(out temp1, out temp2, first, second);

            int[] stripLen = new int[2];
            stripLen[0] = 2 * (int)(((AROUND * 100) / 255) * size);
            int numStrips = (int)Math.Ceiling((double)(size) / stripLen[0]);
            stripLen[1] = size - stripLen[0] * (numStrips - 1);

            byte[] firstA = temp1.getImb();
            byte[] secondA = temp2.getImb();

            int sum = 0;

            for (int k = 0; k < numStrips - 1; k++)
            {
                int stripEnd = (k+1)*stripLen[0];
                for (int i = k*stripLen[0]; i < stripEnd; i++)
                    sum += Math.Abs(firstA[i] - secondA[i]);
                if (sum > 100 * AROUND * size)
                    return false;
            }
            for (int i = (numStrips - 1) * stripLen[0]; i < size; i++)
                sum += Math.Abs(firstA[i] - secondA[i]);

            //if the success more then (95%) [100 - 100 * ARROUND] the images is eaqual
            if (sum <= 100 * AROUND * size)
            {
                AddToResult(first, second);
                return true;
            }

            return false;
        }