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TMM
2002
139views more  TMM 2002»
15 years 6 months ago
Robust progressive image transmission over OFDM systems using space-time block code
A joint source-channel coding (JSCC) scheme for robust progressive image transmission over broadband wireless channels using orthogonal frequency division multiplexing (OFDM) syste...
Jie Song, K. J. Ray Liu
MTA
2007
140views more  MTA 2007»
15 years 6 months ago
Motion mapping and mode decision for MPEG-2 to H.264/AVC transcoding
This paper describes novel transcoding techniques aimed for low-complexity MPEG-2 to H.264/AVC transcoding. An important application for this type of conversion is efficient stor...
Jun Xin, Jianjun Li, Anthony Vetro, Shun-ichi Seki...
CORR
2010
Springer
219views Education» more  CORR 2010»
15 years 5 months ago
Cooperative Algorithms for MIMO Interference Channels
Interference alignment is a transmission technique for exploiting all available degrees of freedom in the symmetric frequency- or time-selective interference channel with an arbit...
Steven W. Peters, Robert W. Heath Jr.
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
16 years 6 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...
TEC
2008
115views more  TEC 2008»
15 years 6 months ago
Function Approximation With XCS: Hyperellipsoidal Conditions, Recursive Least Squares, and Compaction
An important strength of learning classifier systems (LCSs) lies in the combination of genetic optimization techniques with gradient-based approximation techniques. The chosen app...
Martin V. Butz, Pier Luca Lanzi, Stewart W. Wilson