Q1 You have been given a task to segment out objects of interests from image A and image B with a resolution of 8x5 pixels as shown in Figure Q1. For the segmentation, the global method shall be executed using OTSU between class variance while local method using mean-C with 3x3 kernel and C=150. (a) Investigate the suitable method of segmentation to separate between foreground and background of image A and Image B respectively. (Please use illustration and provide clear explanation). (4 marks) (b) Analyse the optimal threshold value of image A. (16 marks) (C) From the threshold value obtained in Q1(b), construct an edge map of image A by using Prewit operator given by: -1 -1 -1 dx = 0 0 0 1 1 1 -1 0 1] dy = 1-1 0 1 1-1 0 1 (5 marks) 100 100 100 100 100 100 100 100 110 110 150 150 170 110 110 100 110 130 130 130 170 170 170 110 110 110 150 150 170 170 120 110 110 170 170 170 170 120 120 120 Image A 110 110 110110 100 100 120 120 110 120 120 130 150 170 150 130 110 100 130 120 150 170 170 130 100 100 130 130 170 170 170 120 100 100 150 100 170 170 170 150 Image B Figure Q1 Q1 You have been given a task to segment out objects of interests from image A and image B with a resolution of 8x5 pixels as shown in Figure Q1. For the segmentation, the global method shall be executed using OTSU between class variance while local method using mean-C with 3x3 kernel and C=150. (a) Investigate the suitable method of segmentation to separate between foreground and background of image A and Image B respectively. (Please use illustration and provide clear explanation). (4 marks) (b) Analyse the optimal threshold value of image A. (16 marks) (C) From the threshold value obtained in Q1(b), construct an edge map of image A by using Prewit operator given by: -1 -1 -1 dx = 0 0 0 1 1 1 -1 0 1] dy = 1-1 0 1 1-1 0 1 (5 marks) 100 100 100 100 100 100 100 100 110 110 150 150 170 110 110 100 110 130 130 130 170 170 170 110 110 110 150 150 170 170 120 110 110 170 170 170 170 120 120 120 Image A 110 110 110110 100 100 120 120 110 120 120 130 150 170 150 130 110 100 130 120 150 170 170 130 100 100 130 130 170 170 170 120 100 100 150 100 170 170 170 150 Image B Figure Q1