12 search results - page 3 / 3 » Attached shadow coding: Estimating surface normals from shad... |
PAMI
2002
13 years 4 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...
TOG
2008
13 years 5 months ago
2008
We present a new approach for enhancing local scene contrast by unsharp masking over arbitrary surfaces under any form of illumination. Our adaptation of a well-known 2D technique...