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GLOBECOM
2008
IEEE
16 years 1 months ago
Tight Bounds of the Generalized Marcum Q-Function Based on Log-Concavity
—In this paper, we manage to prove the log-concavity of the generalized Marcum Q-function Qν (a, b) with respect to its order ν on [1, ∞). The proof relies on a powerful math...
Yin Sun, Shidong Zhou
GLOBECOM
2008
IEEE
16 years 1 months ago
Lowering LDPC Error Floors by Postprocessing
−A class of combinatorial structures, called absorbing sets, strongly influences the performance of low-density paritycheck (LDPC) decoders at low error rates. Past experiments h...
Zhengya Zhang, Lara Dolecek, Borivoje Nikolic, Ven...
HICSS
2008
IEEE
118views Biometrics» more  HICSS 2008»
16 years 1 months ago
Television-Mediated Conversation: Coherence in Italian iTV SMS Chat
Text messaging on interactive television in Italy is a media convergence phenomenon involving short message service, traditional television, and the World Wide Web. This study inv...
Asta Zelenkauskaite, Susan C. Herring
IAT
2008
IEEE
16 years 1 months ago
An Improved Discrete Particle Swarm Optimization Based on Cooperative Swarms
The discrete particle swarm optimization (DPSO) is a kind of particle swarm optimization (PSO) algorithm to find optimal solutions for discrete problems. This paper proposes an i...
Yiheng Xu, Qiangwei Wang, Jinglu Hu
ICASSP
2008
IEEE
16 years 1 months ago
Stereo matching with asymmetric occlusion handling in weighted least square framework
This paper presents a novel method for stereo matching with occlusion handling. In order to estimate optimal cost, we define an energy function and solve the iterative equation w...
Dong Bo Min, Kwanghoon Sohn