89 search results - page 13 / 18 » Shape from Shading with a Generalized Reflectance Map Model |
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
In central catadioptric systems, lines in a scene are projected to conic curves in the image. This work studies the geometry of the central catadioptric projection of lines and its...
TOG
2008
13 years 8 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...
CGF
2008
13 years 8 months ago
2008
Although considerable attention in recent years has been given to the problem of symmetry detection in general shapes, few methods have been developed that aim to detect and quant...
IWPC
1996
IEEE
14 years 24 days ago
1996
IEEE
Technology to support system comprehension tends to reflect either a "bottom-up" or "top-down" approach. Bottom-up approaches attempt to derive system models f...
CIVR
2007
Springer
14 years 2 months ago
2007
Springer
We present a novel matching and similarity evaluation method for planar geometric shapes represented by sets of polygonal curves. Given two shapes, the matching algorithm randomly...