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ICASSP
2011
IEEE
14 years 1 months ago
Integer fast lapped orthogonal transform based on direct-lifting of dcts for lossless-to-lossy image coding
Integer lapped orthogonal transforms (LOTs) are vital technologies for the unification of lossless and lossy image coding, called losslessto-lossy image coding. In this paper, we...
Taizo Suzuki, Masaaki Ikehara
ISCAS
1993
IEEE
115views Hardware» more  ISCAS 1993»
15 years 1 months ago
Improved Chen-Smith image coder
An image compression system based on transform coding and zonal sampling is presented. It is based on the wellknown Chen-Smith coder, but with an improved technique for transform ...
Eduardo M. Rubino, Henrique S. Malvar, Ricardo L. ...
66
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ICIP
1998
IEEE
15 years 11 months ago
The Variable-Length Generalized Lapped Biorthogonal Transform
This paper introduces a class of linear phase lapped biorthogonal transforms with basis functions of variable length VLGLBT. The transform can be characterized by a lattice which ...
Trac D. Tran, Ricardo L. de Queiroz, Truong Q. Ngu...
TCSV
2010
14 years 4 months ago
M-Channel Multiple Description Coding With Two-Rate Coding and Staggered Quantization
A low complexity M-channel multiple description coding scheme is developed in this paper, in which each description carries one subset of the input with a higher bit rate and the r...
Upul Samarawickrama, Jie Liang, Chao Tian