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Digital Parallelism, Perpendicularity, and Rectangles

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2 Author(s)
Krishnaswamy, Ravinder ; Department of Computer Science, Washington State University, Pullman, WA 99164. ; Kim, Chul E.

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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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:PAMI-9 ,  Issue: 2 )