1391 search results - page 30 / 279 » Optimally Sparse Frames |
103
click to vote
NIPS
2008
15 years 1 months ago
2008
In analogy to the PCA setting, the sparse PCA problem is often solved by iteratively alternating between two subtasks: cardinality-constrained rank-one variance maximization and m...
INFOCOM
2007
IEEE
15 years 6 months ago
2007
IEEE
The majority of existing wireless rate controls are based on the implicit assumption that frames are corrupted due to the random, arbitrary environmental and thermal noises. They ...
ICIP
2008
IEEE
16 years 1 months ago
2008
IEEE
We propose a block-based transform optimization and associated image compression technique that exploits regularity along directional image singularities. Unlike established work,...
INTERSPEECH
2010
14 years 6 months ago
2010
Recent research has shown that speech can be sparsely represented using a dictionary of speech segments spanning multiple frames, exemplars, and that such a sparse representation ...
102
click to vote
JVCIR
2006
14 years 11 months ago
2006
This paper presents a revised rate control scheme based on an improved frame complexity measure. Rate control adopted by both MPEG-4 VM18 and H.264/AVC use a quadratic rate-distor...