4934 search results - page 392 / 987 » complexity 2008 |
183
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ICASSP
2008
IEEE
16 years 2 months ago
2008
IEEE
We consider a pilot-assisted interleave-division multiple access (IDMA) system transmitting over block-fading channels. We describe this system in terms of a factor graph and use ...
172
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ICASSP
2008
IEEE
16 years 2 months ago
2008
IEEE
We describe an algorithm for perfect weighted-random sampling of a population with time complexity O(m + n) for sampling m inputs to produce n outputs. This algorithm is an increm...
202
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
We formulate three intuitive semantic properties for topk queries in probabilistic databases, and propose GlobalTopk query semantics which satisfies all of them. We provide a dyn...
214
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ICIP
2008
IEEE
16 years 2 months ago
2008
IEEE
To improve the JPEG2000 compression standard error resiliency in the wireless environment, the use of ternary MQ arithmetic coders/decoders that are based on the concept of forbid...
150
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ICMCS
2008
IEEE
16 years 2 months ago
2008
IEEE
In this paper we address a novel scheme to protect video sequences according to slice importance based on slice reordering, ULP and error-concealment techniques. The approach does...