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TASLP
2002
120views more  TASLP 2002»
14 years 9 months ago
Improved audio coding using a psychoacoustic model based on a cochlear filter bank
Perceptual audio coders use an estimated masked threshold for the determination of the maximum permissible just-inaudible noise level introduced by quantization. This estimate is d...
Frank Baumgarte
TIT
2002
129views more  TIT 2002»
14 years 9 months ago
Arbitrary source models and Bayesian codebooks in rate-distortion theory
-- We characterize the best achievable performance of lossy compression algorithms operating on arbitrary random sources, and with respect to general distortion measures. Direct an...
Ioannis Kontoyiannis, Junshan Zhang
73
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RAS
2008
124views more  RAS 2008»
14 years 9 months ago
On redundancy, efficiency, and robustness in coverage for multiple robots
Motivated by potential efficiency and robustness gains, there is growing interest in the use of multiple robots for coverage. In coverage, robots visit every point in a target are...
Noam Hazon, Gal A. Kaminka
SIGGRAPH
2010
ACM
14 years 8 months ago
Structure-based ASCII art
The wide availability and popularity of text-based communication channels encourage the usage of ASCII art in representing images. Existing tone-based ASCII art generation methods...
Xuemiao Xu, Linling Zhang, Tien-Tsin Wong
CORR
2010
Springer
189views Education» more  CORR 2010»
14 years 8 months ago
Robust PCA via Outlier Pursuit
Singular Value Decomposition (and Principal Component Analysis) is one of the most widely used techniques for dimensionality reduction: successful and efficiently computable, it ...
Huan Xu, Constantine Caramanis, Sujay Sanghavi