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ICASSP
2010
IEEE
15 years 1 days ago
Rate-distortion optimized transform for intra-frame coding
In this paper, a novel algorithm is proposed for intra-frame coding, named as rate-distortion optimized transform (RDOT). Unlike existing intra-frame coding schemes where the tran...
Xin Zhao, Li Zhang, Siwei Ma, Wen Gao
ADHOC
2007
100views more  ADHOC 2007»
15 years 3 min ago
A GPS-less, outdoor, self-positioning method for wireless sensor networks
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
Hung-Chi Chu, Rong-Hong Jan
CGF
2008
168views more  CGF 2008»
14 years 12 months ago
Interactive Global Illumination for Deformable Geometry in CUDA
Interactive global illumination for fully deformable scenes with dynamic relighting is currently a very elusive goal in the area of realistic rendering. In this work we propose a ...
Arne Schmitz, Markus Tavenrath, Leif Kobbelt
CN
2008
116views more  CN 2008»
14 years 12 months ago
A multiple power-level approach for wireless sensor network positioning
Wireless sensor networks enhance our ability to monitor the physical world. Many recent researches on wireless sensor networks have focused on aspects such as routing, node cooper...
Jen-Yu Fang, Hung-Chi Chu, Rong-Hong Jan, Wuu Yang
CORR
2010
Springer
90views Education» more  CORR 2010»
14 years 12 months ago
Logical complexity of graphs: a survey
We discuss the definability of finite graphs in first-order logic with two relation symbols for adjacency and equality of vertices. The logical depth D(G) of a graph G is equal to ...
Oleg Pikhurko, Oleg Verbitsky