| Home > Articles > Published articles > Towards Automatic Polyp Detection with a Polyp Appearance Model |
| Date: | 2012 |
| Abstract: | This work aims at automatic polyp detection by using a model of polyp appearance in the context of the analysis of colonoscopy videos. Our method consists of three stages: region segmentation, region description and region classification. The performance of our region segmentation method guarantees that if a polyp is present in the image, it will be exclusively and totally contained in a single region. The output of the algorithm also defines which regions can be considered as non-informative. We define as our region descriptor the novel Sector Accumulation-Depth of Valleys Accumulation (SA-DOVA), which provides a necessary but not sufficient condition for the polyp presence. Finally, we classify our segmented regions according to the maximal values of the SA-DOVA descriptor. Our preliminary classification results are promising, especially when classifying those parts of the image that do not contain a polyp inside. |
| Grants: | Ministerio de Ciencia e Innovación TIN2009-10435 Ministerio de Educación y Ciencia CSD2007-00018 |
| Rights: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. |
| Language: | Anglès |
| Document: | Article ; recerca ; Versió acceptada per publicar |
| Subject: | Colonoscopy ; Polyp detection ; Region segmentation ; SA-DOVA descriptor |
| Published in: | Pattern Recognition, Vol. 45, Num. 9 (2012) , p. 3166-3182, ISSN 0031-3203 |
Postprint 18 p, 872.8 KB |