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77
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CVPR
2003
IEEE
15 years 11 months ago
Texture Classification: Are Filter Banks Necessary?
We question the role that large scale filter banks have traditionally played in texture classification. It is demonstrated that textures can be classified using the joint distribu...
Manik Varma, Andrew Zisserman
ICASSP
2008
IEEE
15 years 4 months ago
Unsupervised learning of auditory filter banks using non-negative matrix factorisation
Non-negative matrix factorisation (NMF) is an unsupervised learning technique that decomposes a non-negative data matrix into a product of two lower rank non-negative matrices. Th...
Alexander Bertrand, Kris Demuynck, Veronique Stout...
73
Voted
ICASSP
2009
IEEE
15 years 4 months ago
Design of oversampled DFT modulated filter banks optimized for acoustic echo cancellation
This paper describes a method for designing oversampled DFT filter banks (FB) optimized for subband acoustic echo cancellation (AEC). For this application, the design requirements...
Qin Li, Wei-Ge Chen, Chao He, Henrique S. Malvar
75
Voted
LREC
2008
129views Education» more  LREC 2008»
14 years 11 months ago
Chinese Core Ontology Construction from a Bilingual Term Bank
A core ontology is a mid-level ontology which bridges the gap between an upper ontology and a domain ontology. Automatic Chinese core ontology construction can help quickly model ...
Yi-Rong Chen, Qin Lu, Wenjie Li, Gaoying Cui
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