Correction of shading effects in vision-based UUV localization
dc.contributor.author
dc.date.accessioned
2010-05-20T09:56:51Z
dc.date.available
2010-05-03T15:08:46Z
2010-05-20T09:56:51Z
dc.date.issued
2003
dc.identifier.citation
Garcia, R., Cufi, X., Carreras, M., i Ridao, P. (2003). Correction of shading effects in vision-based UUV localization. IEEE International Conference on Robotics and Automation : 2003 : Proceedings : ICRA '03, 1, 989-994. Recuperat 20 maig 2010, a http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1241721
dc.identifier.isbn
0-7803-7736-2
dc.identifier.issn
1050-4729
dc.identifier.uri
dc.description.abstract
This paper describes the improvements achieved in our mosaicking system to assist unmanned underwater vehicle navigation. A major advance has been attained in the processing of images of the ocean floor when light absorption effects are evident. Due to the absorption of natural light, underwater vehicles often require artificial light sources attached to them to provide the adequate illumination for processing underwater images. Unfortunately, these flashlights tend to illuminate the scene in a nonuniform fashion. In this paper a technique to correct non-uniform lighting is proposed. The acquired frames are compensated through a point-by-point division of the image by an estimation of the illumination field. Then, the gray-levels of the obtained image remapped to enhance image contrast. Experiments with real images are presented
dc.format.mimetype
application/pdf
dc.language.iso
eng
dc.publisher
IEEE
dc.relation.ispartof
© IEEE International Conference on Robotics and Automation : 2003 : Proceedings : ICRA '03, 2003, vol. 1, p. 989-994
dc.relation.ispartofseries
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dc.rights
Tots els drets reservats
dc.title
Correction of shading effects in vision-based UUV localization
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/openAccess