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ICIP
2010
IEEE
15 years 5 months ago
High quality scanned book compression using pattern matching
This paper proposes a hybrid approximate pattern matching/ transform-based compression engine. The idea is to use regular video interframe prediction as a pattern matching algorit...
Alexandre Zaghetto, Ricardo L. de Queiroz
ICASSP
2009
IEEE
15 years 5 months ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi
ICMCS
2009
IEEE
205views Multimedia» more  ICMCS 2009»
15 years 5 months ago
Bregman vantage point trees for efficient nearest Neighbor Queries
Nearest Neighbor (NN) retrieval is a crucial tool of many computer vision tasks. Since the brute-force naive search is too time consuming for most applications, several tailored d...
Frank Nielsen, Paolo Piro, Michel Barlaud
IGARSS
2009
15 years 5 months ago
Unmixing Sparse Hyperspectral Mixtures
Finding an accurate sparse approximation of a spectral vector described by a linear model, when there is available a library of possible constituent signals (called endmembers or ...
Marian-Daniel Iordache, José M. Bioucas-Dia...
TMC
2011
119views more  TMC 2011»
15 years 2 months ago
Temporal Link Signature Measurements for Location Distinction
—We investigate location distinction, the ability of a receiver to determine when a transmitter has changed location, which has application for energy conservation in wireless se...
Neal Patwari, Sneha Kumar Kasera