5692 search results - page 275 / 1139 » Challenges and Unsolved Problems |
176
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
135
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
Besides basis expansions, frames representations play a key role in signal processing. We thus consider the problem of frame domain signal processing, which is more complex and ch...
173
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
Given a set of data points drawn from multiple low-dimensional linear subspaces of a high-dimensional space, we consider the problem of clustering these points according to the su...
193
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ICIP
2007
IEEE
15 years 6 months ago
2007
IEEE
Fusion of images in the presence of noise is a challenging problem. Conventional fusion methods focus on aggregating prominent image features, which usually result in noise enhanc...
139
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ADHOC
2007
15 years 6 months ago
2007
One of the most challenging problems in wireless sensor networks is the design of scalable and efficient routing algorithms without location information. The use of specialized ha...