(a) With the aid of illustration, describe the following item, (1) 8-bit HSV color model [3 marks] (ii) effect of aliasing in image [3 marks] (iii) 4:1:0 chrominance subsampling [3 marks] (b) Different color models are often used in different applications. Given a color represented in RGB color space as R=0.5, G=0.2, B=0.9, what is its representation in the CMYK color model? [5 marks]