51 search results - page 3 / 11 » EK-SVD: Optimized dictionary design for sparse representatio... |
CORR
2011
Springer
12 years 11 months ago
2011
Springer
The richness of natural images makes the quest for optimal representations in image processing and computer vision challenging. The latter observation has not prevented the design...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
The dictionary approach to signal and image processing has been massively investigated in the last two decades, proving very attractive for a wide range of applications. The effec...
TIP
2008
13 years 7 months ago
2008
Abstract--Sparse representations of signals have drawn considerable interest in recent years. The assumption that natural signals, such as images, admit a sparse decomposition over...
NIPS
2008
13 years 8 months ago
2008
It is now well established that sparse signal models are well suited for restoration tasks and can be effectively learned from audio, image, and video data. Recent research has be...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
An elementary proof of a basic uncertainty principle concerning pairs of representations of ?? vectors in different orthonormal bases is provided. The result, slightly stronger th...