PAMI
2008
14 years 3 months ago
2008
In many computer vision systems, it is assumed that the image brightness of a point directly reflects the scene radiance of the point. However, the assumption does not hold in mos...
CVPR
2008
IEEE
14 years 5 months ago
2008
IEEE
In this paper, we present a novel single-image vignetting method based on the symmetric distribution of the radial gradient (RG). The radial gradient is the image gradient along t...
CVPR
2006
IEEE
14 years 7 months ago
2006
IEEE
In this paper, we propose a method for determining the vignetting function given only a single image. Our method is designed to handle both textured and untextured regions in orde...