dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-27T11:21:14Z | |
dc.date.accessioned | 2022-10-05T17:55:12Z | |
dc.date.available | 2014-05-27T11:21:14Z | |
dc.date.available | 2022-10-05T17:55:12Z | |
dc.date.created | 2014-05-27T11:21:14Z | |
dc.date.issued | 2004-12-01 | |
dc.identifier | Geomatica, v. 58, n. 4, p. 287-295, 2004. | |
dc.identifier | 1195-1036 | |
dc.identifier | http://hdl.handle.net/11449/68063 | |
dc.identifier | 2-s2.0-16444379914 | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/3917646 | |
dc.description.abstract | This paper presents a dynamic programming approach for semi-automated road extraction from medium-and high-resolution images. This method is a modified version of a pre-existing dynamic programming method for road extraction from low-resolution images. The basic assumption of this pre-existing method is that roads manifest as lines in low-resolution images (pixel footprint> 2 m) and as such can be modeled and extracted as linear features. On the other hand, roads manifest as ribbon features in medium- and high-resolution images (pixel footprint ≤ 2 m) and, as a result, the focus of road extraction becomes the road centerlines. The original method can not accurately extract road centerlines from medium- and high- resolution images. In view of this, we propose a modification of the merit function of the original approach, which is carried out by a constraint function embedding road edge properties. Experimental results demonstrated the modified algorithm's potential in extracting road centerlines from medium- and high-resolution images. | |
dc.language | eng | |
dc.relation | Geomatica | |
dc.relation | 0,258 | |
dc.rights | Acesso restrito | |
dc.source | Scopus | |
dc.subject | Algorithms | |
dc.subject | Edge detection | |
dc.subject | Functions | |
dc.subject | Image processing | |
dc.subject | Optical resolving power | |
dc.subject | High-resolution images | |
dc.subject | Ribbon features | |
dc.subject | Road edge properties | |
dc.subject | Semi-automated road extraction | |
dc.subject | Dynamic programming | |
dc.subject | digital image | |
dc.subject | image analysis | |
dc.subject | pixel | |
dc.subject | road | |
dc.title | Dynamic programming approach for road centerline extraction from digital images | |
dc.type | Resenha | |