Sciweavers

44 search results - page 6 / 9
» DCT approximation for low bit rate coding using a conditiona...
Sort
View
TWC
2008
140views more  TWC 2008»
13 years 7 months ago
Low complexity and fractional coded cooperation for wireless networks
Wireless networks, and especially wireless sensor networks, have complexity and energy constraints, within which they must confront the challenging wireless fading environment. In ...
Andrew W. Eckford, Josephine P. K. Chu, Raviraj S....
TIT
2010
110views Education» more  TIT 2010»
13 years 2 months ago
Error rates of the maximum-likelihood detector for arbitrary constellations: convex/concave behavior and applications
Motivated by a recent surge of interest in convex optimization techniques, convexity/concavity properties of error rates of the maximum likelihood detector operating in the AWGN ch...
Sergey Loyka, Victoria Kostina, François Ga...
TIP
2002
114views more  TIP 2002»
13 years 7 months ago
New architecture for dynamic frame-skipping transcoder
Abstract--Transcoding is a key technique for reducing the bitrate of a previously compressed video signal. A high transcoding ratio may result in an unacceptable picture quality wh...
Kai-Tat Fung, Yui-Lam Chan, Wan-Chi Siu
ICIP
2006
IEEE
14 years 9 months ago
An Illumination Invariant 3D Model Based Tracking Algorithm, with Application in Video Compression
We present an algorithm for illumination invariant 3D model based tracking and video compression. While model-based coding schemes are well developed, the compression rate reduces...
Long Nyugen, Yilei Xu, Amit K. Roy Chowdhury
TCSV
2002
108views more  TCSV 2002»
13 years 7 months ago
Pilot-assisted 16-level QAM for wireless video
This paper presents a twin-class transmission system for narrowband radio access channels suitable for handheld video phone and multimedia portable PC applications. The transmissio...
Hamid Gharavi