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ICIP
2009
IEEE
16 years 7 months ago
Mapping Motion Vectors For A Wyner-ziv Video Transcoder
Wyner-Ziv (WZ) coding of video utilizes simple encoders and highly complex decoders. A transcoder from a WZ codec to a traditional codec can potentially increase the range of appl...
WWW
2005
ACM
16 years 7 months ago
Constructing extensible XQuery mappings
Constructing and maintaining semantic mappings are necessary but troublesome in data sharing systems. While most current work focuses on seeking automated techniques to solve this...
Gang Qian, Yisheng Dong
PERCOM
2004
ACM
16 years 6 months ago
Programming Pervasive and Mobile Computing Applications with the TOTA Middleware
Pervasive computing calls for suitable middleware and programming models to deal with large software systems dived in dynamic mobile network environments. Here we present the prog...
Marco Mamei, Franco Zambonelli
VTC
2006
IEEE
121views Communications» more  VTC 2006»
16 years 22 days ago
Location-Dependent Parameterization of a Random Direction Mobility Model
— Mobility models are widely used in simulation-based performance analyses of mobile networks. However, there is a trade-off between simplicity and realistic movement patterns. S...
Bernd Gloss, Michael Scharf, Daniel Neubauer
SI3D
2006
ACM
16 years 20 days ago
Approximate ambient occlusion for trees
Natural scenes contain large amounts of geometry, such as hundreds of thousands or even millions of tree leaves and grass blades. Subtle lighting effects present in such environme...
Kyle Hegeman, Simon Premoze, Michael Ashikhmin, Ge...