Question: 10. (programming question Finding connected components in a binary image. a) An Union-Find data structure should be implemented, with the most efficient algorithm, as an

10. (programming question Finding connected components in a binary image. a) An Union-Find data structure should be implemented, with the most efficient algorithm, as an abstract data type (a class in C++ or java) with the following operations. uandf (n): constructs an union-find data type with n elements, 1,2,...,n. make_set(i): creates a new set whose only member and thus representative) is i. union_sets(i, j): unites the dynamic sets that contains i and j, respectively, into a new set that is the union of these two sets. find_set(i): returns the representative of the set containing i. final sets(): returns the total number of current sets and finalizes the current sets: (i) make_set() and union sets() will have no effect after this operation and (ii) resets the representatives of the sets so that integers from 1 to final_sets() will be used as representatives. b) Design and implement (write a program) an algorithm to find the connected components in a binary image using Union-Find data structure in a). An ASCII file containing a binary image is available see girl.img and img_readme) as the input of your program. The output of the program should be the following in this specified order: 1. the input binary image, 2. the connected component image where each component is labelled with a unique char- acter, 3. a list sorted by component size, where each line of the list contains the size and the label of a component, 4. same as 2 with the connected components whose sizes are less than four removed. 10. (programming question Finding connected components in a binary image. a) An Union-Find data structure should be implemented, with the most efficient algorithm, as an abstract data type (a class in C++ or java) with the following operations. uandf (n): constructs an union-find data type with n elements, 1,2,...,n. make_set(i): creates a new set whose only member and thus representative) is i. union_sets(i, j): unites the dynamic sets that contains i and j, respectively, into a new set that is the union of these two sets. find_set(i): returns the representative of the set containing i. final sets(): returns the total number of current sets and finalizes the current sets: (i) make_set() and union sets() will have no effect after this operation and (ii) resets the representatives of the sets so that integers from 1 to final_sets() will be used as representatives. b) Design and implement (write a program) an algorithm to find the connected components in a binary image using Union-Find data structure in a). An ASCII file containing a binary image is available see girl.img and img_readme) as the input of your program. The output of the program should be the following in this specified order: 1. the input binary image, 2. the connected component image where each component is labelled with a unique char- acter, 3. a list sorted by component size, where each line of the list contains the size and the label of a component, 4. same as 2 with the connected components whose sizes are less than four removed
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