48 search results - page 8 / 10 » Shape from Shading Under Coplanar Light Sources |
CGF
2008
14 years 9 months ago
2008
This paper introduces an accurate real-time soft shadow algorithm that uses sample based visibility. Initially, we present a GPU-based alias-free hard shadow map algorithm that ty...
ICPR
2000
IEEE
15 years 10 months ago
2000
IEEE
This paper describes a new method to recover the sign of the local Gaussian curvature at each point on the visible surface of a 3-D object. Multiple (p > 3) shaded images are a...
107
Voted
CVPR
2004
IEEE
15 years 11 months ago
2004
IEEE
In this paper, we address the problem of discovering the 3D shape of a book surface from the shading information in a scanned document image. This shapefrom-shading problem is cha...
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
We present an algorithm and the associated capture methodology to acquire and track the detailed 3D shape, bends, and wrinkles of deforming surfaces. Moving 3D data has been diffi...
NPAR
2006
ACM
15 years 3 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...