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<p>The binary-image-compression problem is analyzed using irreducible cover of maximal rectangles. A bound on the minimum-rectangular-cover problem for image compression is given under certain conditions that previously have not been analyzed. It is demonstrated that for a simply connected image, the irreducible cover proposed uses less than four times the number of the rectangles in a minimum cover. With n pixels in a square, the parallel algorithm for obtaining the irreducible cover uses (n/log n) concurrent-read-exclusive write (CREW) processors in O(log n) time.</p>
data structures; image compression; irreducible covers; maximal rectangles; pixels; parallel algorithm; concurrent-read-exclusive write; computerised picture processing; data compression; parallel algorithms
S.S. Iyengar, R.L. Kashyap, Y. Cheng, "A New Method of image Compression Using Irreducible Covers of Maximal Rectangles", IEEE Transactions on Software Engineering, vol. 14, no. , pp. 651-658, May 1988, doi:10.1109/32.6142
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