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Three-Dimensional Digital Line Segments
February 1983 (vol. 5 no. 2)
pp. 231-234
Chul E. Kim, Department of Computer Science, Washington State University, Pullman, WA 99164.
Digital arcs in 3-D digital pictures are defined. The digital image of an arc is also defined. A digital arc is defined to be a digital line segment if it is the digital image of a line segment. It is shown that a digital line segment may be characterized by the chord property holding for its projections onto the coordinate planes. It is also shown that a digital line segment may not be characterized by its own chord property. A linear time algorithm is presented that determines whether or not a digital arc is a digital line segment.
Chul E. Kim, "Three-Dimensional Digital Line Segments," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 5, no. 2, pp. 231-234, Feb. 1983, doi:10.1109/TPAMI.1983.4767379
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