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ICC
2007
IEEE
179views Communications» more  ICC 2007»
16 years 28 days ago
Finite Queuing Model Analysis for Energy and QoS Tradeoff in Contention-Based Wireless Sensor Networks
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
Jun Luo, Ling-ge Jiang, Chen He
ICC
2007
IEEE
110views Communications» more  ICC 2007»
16 years 28 days ago
On the Impact of Carrier Frequency Offsets in OFDM/SDMA Systems
— The combined OFDM/SDMA approach has raised lots of research interests recently as it appears to be quite suitable for future broadband wireless transmission. In order to build ...
Sheng Zhou, Kai Zhang, Zhisheng Niu
ICDE
2007
IEEE
228views Database» more  ICDE 2007»
16 years 28 days ago
A General Cost Model for Dimensionality Reduction in High Dimensional Spaces
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
Xiang Lian, Lei Chen 0002
ICMCS
2007
IEEE
151views Multimedia» more  ICMCS 2007»
16 years 28 days ago
Exploring Contextual Information in a Layered Framework for Group Action Recognition
Contextual information is important for sequence modeling. Hidden Markov Models (HMMs) and extensions, which have been widely used for sequence modeling, make simplifying, often u...
Dong Zhang, Samy Bengio
ICMCS
2007
IEEE
117views Multimedia» more  ICMCS 2007»
16 years 28 days ago
Learning-Based Perceptual Image Quality Improvement for Video Conferencing
It is well known that in professional TV show filming, stage lighting has to be carefully designed in order to make the host and the scene look visually appealing. The lighting a...
Zicheng Liu, Cha Zhang, Zhengyou Zhang