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Digital Straight Segments by Son Pham is a Computer Science article available to read on EtoBox.
What is Digital Straight Segments about?
It will be proved in this paper that all digital straight segments connecting two given pixels form an area whose lower bound and upper bound are also the digital straight segments. These two bounds will be simply calculated and have the following properties; one is different from the other by unity in the x or y coordinate, and their chain codes of directions reverse from each other. Hence, for practical purposes, these results are used to define general digital straight segments as the digital arcs in this area, and also used to define the convexity and concavity of digital arcs. 9 1986 Academic Press, Inc. ## I. INTRODUCTION On a grid a set of chain pixels is called a digital arc. Chain means every pixel in the set except the endpoints has exactly two neighbors in the same set. Hence a digital arc can be represented by either the sequence of directional changes between neighboring pixels [6,9], or the sequence of xy coordinates of the centers. A number of authors have studied criteria for a digital arc to be the digitization of a real convex arc or a real concave arc [11,12]. In other words, they have studied the characterization of digital arcs digitized from the convex or conc
Who reads Digital Straight Segments?
It is typically read by researchers, students, and practitioners in Computer Science.
- Author
- Son Pham
- Publisher
- Elsevier Science; Elsevier ; Academic Press; Elsevier BV (ISSN 0734-189X)
- Published
- 1986
- Language
- EN
- Field
- Computer Science (Physical Sciences)