300 search results - page 18 / 60 » Directionally Dependent Light Sources |
3DPVT
2004
IEEE
14 years 1 months ago
2004
IEEE
This paper describes a simple method for estimating the surface radiance function from single images of smooth surfaces made of materials whose reflectance function is isotropic a...
PAMI
2006
13 years 9 months ago
2006
In this paper, we propose two novel methods for face recognition under arbitrary unknown lighting by using spherical harmonics illumination representation, which require only one t...
PAMI
2002
13 years 9 months ago
2002
We analyze theoretically the subspace best approximating images of a convex Lambertian object taken from the same viewpoint, but under different distant illumination conditions. Si...
SIGGRAPH
1996
ACM
14 years 2 months ago
1996
ACM
A number of techniques have been proposed for flying through scenes by redisplaying previously rendered or digitized views. Techniques have also been proposed for interpolating be...
ICCV
2011
IEEE
12 years 9 months ago
2011
IEEE
Images taken from scenes under water suffer distortion due to refraction. While refraction causes magnification with mild distortion on the observed images, severe distortions in...