1582 search results - page 15 / 317 » On sparse signal representations |
CVPR
2010
IEEE
15 years 3 months ago
2010
IEEE
Sparse representation has found applications in numerous domains and recent developments have been focused on the convex relaxation of the 0-norm minimization for sparse coding (i...
82
Voted
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
This paper addresses the problem of generating a superresolution (SR) image from a single low-resolution input image. We approach this problem from the perspective of compressed s...
61
Voted
STOC
2002
ACM
15 years 10 months ago
2002
ACM
d Abstract] A. C. Gilbert S. Guhay P. Indykz S. Muthukrishnan M. Strauss We give an algorithm for nding a Fourier representation R of B terms for a given discrete signal A of leng...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We present a new, block-based image codec based on sparse representations using a learned, structured dictionary called the IterationTuned and Aligned Dictionary (ITAD). The quest...
ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
Compressive sensing (CS) is an emerging approach for acquisition of signals having a sparse or compressible representation in some basis. While CS literature has mostly focused on...