756 search results - page 52 / 152 » Quantization of Sparse Representations |
TCSV
2002
13 years 7 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
Bintrees based on longest edge bisection and hierarchies of diamonds are popular multiresolution techniques on regularly sampled terrain datasets. In this work, we consider sparse...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Adaptive sparse coding methods learn a possibly overcomplete set of basis functions, such that natural image patches can be reconstructed by linearly combining a small subset of t...
ECCV
2004
Springer
14 years 9 months ago
2004
Springer
Level-set methods have been shown to be an effective way to solve optimisation problems that involve closed curves. They are well known for their capacity to deal with flexible top...
I3D
2010
ACM
14 years 5 months ago
2010
ACM
In this paper we examine the possibilities of using voxel representations as a generic way for expressing complex and feature-rich geometry on current and future GPUs. We present ...