401 search results - page 36 / 81 » Geometry of Isophote Curves |
CGF
2008
13 years 9 months ago
2008
Silhouette is a key feature that distinguishes displacement mapping from normal mapping. However the silhouette rendering in the GPU implementation of displacement mapping (which ...
ECCV
2006
Springer
14 years 10 months ago
2006
Springer
Generalized cylinder (GC) has played an important role in computer vision since it was introduced in the 1970s. While studying GC models in human visual perception of shapes from c...
SI3D
2005
ACM
14 years 2 months ago
2005
ACM
Techniques for interactive deformation of unstructured polygon meshes are of fundamental importance to a host of applications. Most traditional approaches to this problem have emp...
MICS
2010
13 years 7 months ago
2010
We introduce a framework for the construction, maintenance, and manipulation of arrangements of curves embedded on certain two-dimensional orientable parametric surfaces in three-d...
SMA
2008
ACM
13 years 8 months ago
2008
ACM
An algorithm and implementation is presented to compute the exact arrangement induced by arbitrary algebraic surfaces on a parametrized ring Dupin cyclide. The family of Dupin cyc...