255 search results - page 42 / 51 » Sampling Sparse Signals on the Sphere: Algorithms and Applic... |
107
Voted
KDD
2007
ACM
16 years 4 months ago
2007
ACM
We consider the problem of estimating occurrence rates of rare events for extremely sparse data, using pre-existing hierarchies to perform inference at multiple resolutions. In pa...
136
Voted
TSP
2010
14 years 10 months ago
2010
Abstract--Time-frequency analysis, such as the Gabor transform, plays an important role in many signal processing applications. The redundancy of such representations is often dire...
119
Voted
SI3D
2010
ACM
15 years 10 months ago
2010
ACM
Pixel processing is becoming increasingly expensive for real-time applications due to the complexity of today’s shaders and highresolution framebuffers. However, most shading re...
123
Voted
CGF
2008
15 years 3 months ago
2008
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
161
Voted
TSP
2011
14 years 10 months ago
2011
—Many complex dynamical phenomena can be effectively modeled by a system that switches among a set of conditionally linear dynamical modes. We consider two such models: the switc...