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ICIP
2006
IEEE
14 years 9 months ago
Optimal Unequal Error Protection with User Cooperation for Transmission of Embedded Source-Coded Images
This paper studies the transmission of images encoded using an embedded source encoder over a wireless network allowing user cooperation. A dynamic programming algorithm is applie...
Andres Kwasinski, K. J. Ray Liu
PARA
2004
Springer
14 years 1 months ago
Cache Optimizations for Iterative Numerical Codes Aware of Hardware Prefetching
Cache optimizations typically include code transformations to increase the locality of memory accesses. An orthogonal approach is to enable for latency hiding by introducing prefet...
Josef Weidendorfer, Carsten Trinitis
VCIP
2003
109views Communications» more  VCIP 2003»
13 years 9 months ago
Coding mode optimization for MPEG-2 transcoding with spatial resolution reduction
This paper presents a coding mode decision algorithm for MPEG-2 spatial transcoding. The optimization for coding mode and quantization scale are formulated in an operational rate ...
Hao-Song Kong, Anthony Vetro, Huifang Sun
GLOBECOM
2009
IEEE
14 years 2 months ago
Asymptotically Optimal Joint Source-Channel Coding with Minimal Delay
—We present and analyze a joint source-channel coding strategy for the transmission of a Gaussian source across a Gaussian channel in n channel uses per source symbol. Among all ...
Marius Kleiner, Bixio Rimoldi
ICIP
2001
IEEE
14 years 9 months ago
Jointly optimal coding of texture and shape
A major problem in object oriented video coding and MPEG-4 is the encoding of object boundanes. Traditionally, and within MPEG-4, the encodingof shape and textureinformationare se...
Lisimachos P. Kondi, Gerry Melnikov, Aggelos K. Ka...