PAMI
2008
13 years 7 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
13 years 9 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
13 years 11 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...