| Presentation | 2000/1/20 Digital Curvature Flow of Planar Digital Curve Atsushi Imiya, Ulrich Eckhardt, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this paper, we define digital curvature flow for planar digital objects. We define the principle normal vectors for points on the digital boundary of binaly planar objects. Digital curvature flow is defined as motion of points on the boundary curve according to principle normal vectors. Therefore, digital curvature flow is a digital version of curvature flow. Furthermore, this transformation could also be considered as discrete curvature flow on iso-polygons whose all edges are parallel to axes of the orthogonal coordinate system. We also derive a digital version of snakes for the extraction of boundary curves of discrete images as a variational problem on a digital plane. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Discrete object / Curvature flow / Euler characteristic / Connectivity / Graph rewriting |
| Paper # | PRMU99-194 |
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| Conference Information | |
| Committee | PRMU |
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| Conference Date | 2000/1/20(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Pattern Recognition and Media Understanding (PRMU) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Digital Curvature Flow of Planar Digital Curve |
| Sub Title (in English) | |
| Keyword(1) | Discrete object |
| Keyword(2) | Curvature flow |
| Keyword(3) | Euler characteristic |
| Keyword(4) | Connectivity |
| Keyword(5) | Graph rewriting |
| 1st Author's Name | Atsushi Imiya |
| 1st Author's Affiliation | Dept. of Information and Image Sciences() |
| 2nd Author's Name | Ulrich Eckhardt |
| 2nd Author's Affiliation | Dept. of Applied Mathematics, University of Hamburg |
| Date | 2000/1/20 |
| Paper # | PRMU99-194 |
| Volume (vol) | vol.99 |
| Number (no) | 574 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |