58 search results - page 10 / 12 » A Non-local Approach to Shape from Ambient Shading |
ICCV
2009
IEEE
15 years 14 days ago
2009
IEEE
This paper presents a simple yet practical 3-D modeling
method for recovering surface shape and reflectance
from a set of images. We attach a point light source to a
hand-held c...
NPAR
2006
ACM
14 years 1 months ago
2006
ACM
: Some example effects achieved by our extended toon shader: continuous levels of abstraction (a); abstraction of near-silhouette regions: smoothing (b), and opacity (c); backlight...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
In this paper, we propose a new method to integrate multiview normal fields using level sets. In contrast with conventional normal integration algorithms used in shape from shadin...
PG
2002
IEEE
14 years 12 days ago
2002
IEEE
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
ICPR
2002
IEEE
14 years 13 days ago
2002
IEEE
Computer vision requires the solution of many ill-posed problems such as optical flow, structure from motion, shape from shading, surface reconstruction, image restoration and ed...