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CSL
2007
Springer
13 years 7 months ago
Partially observable Markov decision processes for spoken dialog systems
In a spoken dialog system, determining which action a machine should take in a given situation is a difficult problem because automatic speech recognition is unreliable and hence ...
Jason D. Williams, Steve Young
JSAC
2006
92views more  JSAC 2006»
13 years 7 months ago
Performance of UWB PSK systems using fully saturated power amplifiers
Abstract--This paper studies the performance of ultra-wideband (UWB) radio communications systems employing phase shift keying (PSK) modulation and fully saturated power amplifiers...
Jia Li, Qingchong Liu, D. P. Taylor
JVCIR
2006
126views more  JVCIR 2006»
13 years 7 months ago
Efficient intra- and inter-mode selection algorithms for H.264/ AVC
Intra-frame mode selection and inter-frame mode selection are new features introduced in the H.264 standard. Intra-frame mode selection dramatically reduces spatial redundancy in ...
Andy C. Yu, King Ngi Ngan, Graham R. Martin
TELSYS
2008
99views more  TELSYS 2008»
13 years 7 months ago
Mote-based underwater sensor networks: opportunities, challenges, and guidelines
Most underwater networks rely on expensive specialized hardware for acoustic communication and modulation. This has impeded wide scale deployments of underwater sensor networks and...
Raja Jurdak, Antonio G. Ruzzelli, Gregory M. P. O'...
TIP
2008
126views more  TIP 2008»
13 years 7 months ago
Maximum-Entropy Expectation-Maximization Algorithm for Image Reconstruction and Sensor Field Estimation
Abstract--In this paper, we propose a maximum-entropy expectation-maximization (MEEM) algorithm. We use the proposed algorithm for density estimation. The maximum-entropy constrain...
Hunsop Hong, Dan Schonfeld