guilan-multimedia-lab/MATH_REFERENCE.md

Mathematical Reference Table

Algorithm	Formula / Mask	Source
Power-Law	s = c \cdot r^\gamma	[4]
Histogram Eq	s_k = \sum_{j=0}^{k} n_j / n	[17]
Laplacian Mask	[0 -1 0; -1 4 -1; 0 -1 0]	[20, 21]
Sobel (Gx)	[-1 -2 -1; 0 0 0; 1 2 1]	[23, 24]
Gaussian Blur	H(u,v) = e^{-D^2(u,v)/2\sigma^2}	[28]
RGB to CMY	[C M Y] = - [R G B]	[29]
Image Averaging	\bar{g}(x,y) = \frac{1}{K} \sum_{i=1}^{K} g_i(x,y)	[25, 26, 30]