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FOCM
2008
156views more  FOCM 2008»
13 years 11 months ago
Random Sampling of Sparse Trigonometric Polynomials, II. Orthogonal Matching Pursuit versus Basis Pursuit
We investigate the problem of reconstructing sparse multivariate trigonometric polynomials from few randomly taken samples by Basis Pursuit and greedy algorithms such as Orthogona...
Stefan Kunis, Holger Rauhut
PAMI
2010
337views more  PAMI 2010»
13 years 9 months ago
Single-Image Super-Resolution Using Sparse Regression and Natural Image Prior
—This paper proposes a framework for single-image super-resolution. The underlying idea is to learn a map from input low-resolution images to target high-resolution images based ...
Kwang In Kim, Younghee Kwon
ICMCS
2006
IEEE
140views Multimedia» more  ICMCS 2006»
14 years 4 months ago
A Fast Matching Pursuits Algorithm using Sub-Band Decomposition of Video Signals
A high-efficiency video coding method using matching pursuits, which is a waveform coding technique, has recently been proposed. In this method, the motion compensated prediction...
Kousuke Imamura, Yoshimasa Koba, Hideo Hashimoto
DCC
2001
IEEE
14 years 10 months ago
A Posteriori Quantized Matching Pursuit
This paper studies quantization error in the context of Matching Pursuit coded streams and proposes a new coefficient quantization scheme taking benefit of the Matching Pursuit pr...
Pascal Frossard, Pierre Vandergheynst