171 search results - page 13 / 35 » Compressed Representations of Permutations, and Applications |
MA
2010
Springer
13 years 6 months ago
2010
Springer
We characterize the angular polyspectra, of arbitrary order, associated with isotropic fields defined on the sphere S2 = (x, y, z) : x2 + y2 + z2 = 1 . Our techniques rely heavi...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper describes the construction of a new multiresolutional decomposition with applications to image compression. The proposed method designs sparsity-distortion-optimized or...
CGF
2008
13 years 7 months ago
2008
Thanks to an increase in rendering efficiency, indirect illumination has recently begun to be integrated in cinematic lighting design, an application where physical accuracy is le...
AMFG
2005
IEEE
14 years 1 months ago
2005
IEEE
Non-negative matrix factorization (NMF) is a recently developed method for finding parts-based representation of non-negative data such as face images. Although it has successfully...
DCC
2003
IEEE
14 years 7 months ago
2003
IEEE
3D models have become an essential element of multimedia applications because they provide visual effects that permit interactive exploration. As in other media types, efficient c...