Then, Lab color space imag- es (i.e. Figs. 4(c) and 4(d)) of original image (i.e. Fig. 4(a)) and filter image (i.e. Fig. 4(b)) are obtained by converting color space from RGB to Lab.
Then, Lab color space imag- es (i.e. Figs. 4(c) and 4(d)) of original image (i.e. Fig. 4(a)) and filter image (i.e. Fig. 4(b)) are obtained by converting color space from RGB to Lab.