y = try(image, rows, f)
c2 = conv(ga, image(i,:)); c2 = c2(floor(length(ga)/2):floor(length(ga)/2)+length(image(i,:)-1)); c2 = zeros(1,length(image(i,:))); for j = 1:length(image(i,:)), c2(1,j) = max(image(i,max(1,j-2):min(length(image(i,:)),j+2)));