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ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Volume 7 Issue 2, February 2011

Optimal layered multicast
Ajay Gopinathan, Zongpeng Li
Article No.: 7
DOI: 10.1145/1925101.1925102

Recent advances in network coding research dramatically changed the underlying structure of optimal multicast routing algorithms and made them efficiently computable. While most such algorithm design assumes a single file/layer being multicast,...

Using simulcast and scalable video coding to efficiently control channel switching delay in mobile tv broadcast networks
Cheng-Hsin Hsu, Mohamed Hefeeda
Article No.: 8
DOI: 10.1145/1925101.1925103

Many mobile TV standards dictate using energy saving schemes to increase the viewing time on mobile devices, since mobile receivers are battery powered. The most common scheme for saving energy is to make the base station broadcast the video data...

Knowledge discovery from 3D human motion streams through semantic dimensional reduction
Yohan Jin, Balakrishnan Prabhakaran
Article No.: 9
DOI: 10.1145/1925101.1925104

3D human motion capture is a form of multimedia data that is widely used in entertainment as well as medical fields (such as orthopedics, physical medicine, and rehabilitation where gait analysis is needed). These applications typically create...

Modeling progressive mesh streaming: Does data dependency matter?
Wei Cheng, Wei Tsang Ooi, Sebastien Mondet, Romulus Grigoras, Géraldine Morin
Article No.: 10
DOI: 10.1145/1925101.1925105

3D triangular meshes are becoming an increasingly prevalent data type in networked applications such as digital museums, online games, and virtual worlds. In these applications, a 3D mesh is typically coded progressively, yielding a...

A fuzzy algorithm for dynamically adaptive multimedia streaming
Susmit Bagchi
Article No.: 11
DOI: 10.1145/1925101.1925106

The QoS-aware delivery model of multimedia is an interesting research area. The wireless networking systems connecting mobile clients and media servers have created the paradigm of mobile multimedia. In mobile multimedia systems, the media...

Statistical multiplexing of variable-bit-rate videos streamed to mobile devices
Cheng-Hsin Hsu, Mohamed Hefeeda
Article No.: 12
DOI: 10.1145/1925101.1925107

We address the problem of broadcasting multiple video streams over a broadcast network to many mobile devices, so that: (i) streaming quality of mobile devices is maximized, (ii) energy consumption of mobile devices is minimized, and (iii) goodput...