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PVLDB
2010
103views more  PVLDB 2010»
15 years 4 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
GLOBECOM
2010
IEEE
15 years 4 months ago
Deadline-Based Differentiation in P2P Streaming
Splitting a P2P video distribution in multiple media flows with different priorities is an interesting approach for developing flexible and adaptive streaming systems, ranging from...
Csaba Király, Renato Lo Cigno, Luca Abeni
DPHOTO
2009
154views Hardware» more  DPHOTO 2009»
15 years 4 months ago
Mobile Imaging: the big challenge of the small pixel
As the number of imaging pixels in camera phones increases, users expect camera phone image quality to be comparable to digital still cameras. The mobile imaging industry is aware...
Feng Xiao, Joyce E. Farrell, Peter B. Catrysse, Br...
IVC
2011
190views more  IVC 2011»
15 years 1 months ago
A graphical model based solution to the facial feature point tracking problem
In this paper a facial feature point tracker that is motivated by applications such as human-computer interfaces and facial expression analysis systems is proposed. The proposed t...
Serhan Cosar, Müjdat Çetin
TSP
2010
15 years 1 months ago
Generalized discrete Fourier transform with nonlinear phase
Constant modulus transforms like discrete Fourier transform (DFT), Walsh transform, and Gold codes have been successfully used over several decades in several engineering applicati...
Ali N. Akansu, Handan Agirman-Tosun