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Issue No. 02 - February (1987 vol. 9)
ISSN: 0162-8828
pp: 316-321
Ravinder Krishnaswamy , Department of Computer Science, Washington State University, Pullman, WA 99164.
Chul E. Kim , Department of Computer Science, Washington State University, Pullman, WA 99164.
ABSTRACT
The slope of digital line segments is defined and an algorithm to evaluate it is presented. Parallelism and perpendicularity of two digital line segments are also defined. Finally, rectangular digital regions are defined and characterized, and an algorithm that determines whether or not a given digital region is a digital rectangle is presented.
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CITATION

C. E. Kim and R. Krishnaswamy, "Digital Parallelism, Perpendicularity, and Rectangles," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 9, no. , pp. 316-321, 1987.
doi:10.1109/TPAMI.1987.4767905
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