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EnglishThis paper identifies the total number of gaps of object pixels in a binary picture, which solves an open problem in 2D digital geometry (or combinatorial topology of binary pictures). We obtain a formula for the total number of gaps as a function of the number of object pixels (grid squares), vertices (corners of grid squares), holes, connected components, and 2 × 2 squares of pixels. It can be used to test a binary picture (or just one region: e.g., a digital curve) for gap-freeness.
| Titolo: | The number of gaps in binary pictures | |
| Autori: | ||
| Data di pubblicazione: | 2005 | |
| Abstract: | This paper identifies the total number of gaps of object pixels in a binary picture, which solves an open problem in 2D digital geometry (or combinatorial topology of binary pictures). We obtain a formula for the total number of gaps as a function of the number of object pixels (grid squares), vertices (corners of grid squares), holes, connected components, and 2 × 2 squares of pixels. It can be used to test a binary picture (or just one region: e.g., a digital curve) for gap-freeness. | |
| Handle: | http://hdl.handle.net/11570/1435630 | |
| ISBN: | 978-3-540-30750-1 | |
| Appare nelle tipologie: | 14.d.3 Contributi in extenso in Atti di convegno |
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http://hdl.handle.net/11570/1435630
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