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ICIP
2010
IEEE
13 years 5 months ago
Constructing a sparse convolution matrix for shift varying image restoration problems
Convolution operator is a linear operator characterized by a point spread functions (PSF). In classical image restoration problems, the blur is usually shift invariant and so the ...
Stanley H. Chan
ICASSP
2011
IEEE
12 years 11 months ago
Adaptive detection of multiple point-like targets with conic acceptance
In this paper we consider the problem of detecting multiple point-like targets in the presence of steering vector mismatches and Gaussian disturbance with unknown covariance matri...
Chengpeng Hao, Francesco Bandiera, Jun Yang, Chaoh...
GLOBECOM
2009
IEEE
14 years 2 months ago
Multiple Repeater Placement for Assisting Long-Range LOS MIMO Links
— A wireless MIMO link is considered in a LOS configuration with multiple SISO wireless repeaters assisting. A theoretical analysis is presented in which repeater positions are c...
Brett T. Walkenhorst, Mary Ann Ingram
ICPR
2010
IEEE
14 years 2 months ago
Bayesian Inference for Nonnegative Matrix Factor Deconvolution Models
In this paper we develop a probabilistic interpretation and a full Bayesian inference for non-negative matrix deconvolution (NMFD) model. Our ultimate goal is unsupervised extract...
Serap Kirbiz, Ali Taylan Cemgil, Bilge Gunsel
ICMCS
2006
IEEE
112views Multimedia» more  ICMCS 2006»
14 years 1 months ago
An New Coefficients Transform Matrix for the Transform Domain MPEG-2 TO H.264/AVC Transcoding
In this paper, a fast transform method is proposed to convert MPEG-2 8-tap discrete cosine transform (DCT) coefficients to H.264/AVC 4-tap integer transform coefficients directly ...
Gao Chen, Shouxun Lin, Yongdong Zhang, Gang Cao