307 search results - page 39 / 62 » Video Adaptation for Transmission Channels by Utility Modeli... |
155
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INFOCOM
2008
IEEE
16 years 5 days ago
2008
IEEE
Abstract—Radio channel quality of real-world wireless networks tends to exhibit both short-term and long-term temporal variations that are in general difficult to model. To maxi...
115
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ISCAS
2006
IEEE
15 years 11 months ago
2006
IEEE
—In this paper, we address the key problem in real-time video coding, the rate-distortion (R-D) tradeoff. As most video coding applications employ color images, we analyze the R-...
159
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MM
1993
ACM
15 years 10 months ago
1993
ACM
As multimedia becomes an integral part of collaborative systems, we must understand how to design such systems to support users’ rich set of existing interaction skills, rather ...
146
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ICASSP
2009
IEEE
16 years 16 days ago
2009
IEEE
This paper proposes a method for adaptive speech dereverberation and speaker-position change detection, which have not previously been addressed. Signal transmission channels in r...
188
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WOWMOM
2009
ACM
16 years 8 days ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...