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% acquire and display input image i = imread('hand.jpg'); figure(1); imshow(i); title ('input image') %threshold the image file igray = rgb2gray(i); imthr = graythresh(igray); bw = im2bw(igray,imthr); figure(2); imshow(bw) ; title ('thresolded binary image') % remove all object containing fewer than 30 pixels bw = bwareaopen(bw,2000); figure(3);imshow(bw); title ('cleaned image'); % fill gaps se = strel('disk',2); bw = imclose(bw,se); % fill holes bw = imfill(bw,'holes'); figure(4);imshow(bw); title ('holes removed'); [b,l] = bwboundaries(bw,'noholes');
