425 search results - page 32 / 85 » Image representation by compressed sensing |
150
click to vote
ICIP
2001
IEEE
16 years 7 months ago
2001
IEEE
In lossy image compression schemes utilizing the discrete cosine transform (DCT), quantization of the DCT coefficients introduces error in the image representation and a loss of s...
159
click to vote
CORR
2010
Springer
15 years 6 months ago
2010
Springer
Spectral clustering is one of the most widely used techniques for extracting the underlying global structure of a data set. Compressed sensing and matrix completion have emerged a...
163
click to vote
TCSV
2008
15 years 5 months ago
2008
Recently, among various data hiding techniques, a new subset, lossless data hiding, has received increasing interest. Most of the existing lossless data hiding algorithms are, howe...
193
click to vote
MMM
2005
Springer
15 years 11 months ago
2005
Springer
The canonical face recognition algorithm Eigenface and Fisherface are both based on one dimensional vector representation. However, with the high feature dimensions and the small ...
171
click to vote
CORR
2007
Springer
15 years 6 months ago
2007
Springer
We consider signals and operators in finite dimension which have sparse time-frequency representations. As main result we show that an S-sparse Gabor representation in Cn with re...