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TIP
2002
92views more  TIP 2002»
15 years 6 months ago
Gradient match and side match fractal vector quantizers for images
In this paper we propose the gradient match fractal vector quantizers (GMFVQs) and the side match fractal vector quantizers (SMFVQs), which are two classes of finite state fractal...
Hsuan T. Chang
189
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ITIIS
2010
151views more  ITIIS 2010»
15 years 5 months ago
Practical Data Transmission in Cluster-Based Sensor Networks
Data routing in wireless sensor networks must be energy-efficient because tiny sensor nodes have limited power. A cluster-based hierarchical routing is known to be more efficient ...
Dae Young Kim, Jinsung Cho, Byeong-Soo Jeong
ICISC
2008
89views Cryptology» more  ICISC 2008»
15 years 8 months ago
Survival in the Wild: Robust Group Key Agreement in Wide-Area Networks
Group key agreement (GKA) allows a set of players to establish a shared secret and thus bootstrap secure group communication. GKA is very useful in many types of peer group scenar...
Jihye Kim, Gene Tsudik
UAI
2008
15 years 8 months ago
Causal discovery of linear acyclic models with arbitrary distributions
An important task in data analysis is the discovery of causal relationships between observed variables. For continuous-valued data, linear acyclic causal models are commonly used ...
Patrik O. Hoyer, Aapo Hyvärinen, Richard Sche...
COMCOM
2008
72views more  COMCOM 2008»
15 years 7 months ago
Stochastic analysis of the interplay between object maintenance and churn
Due to the prevalence of peer dynamics (i.e., churn), object maintenance becomes a fundamental issue in peer-to-peer storage systems. Although quite a few prototypes have been des...
Di Wu, Ye Tian, Kam-Wing Ng, Anwitaman Datta