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CORR
2011
Springer
179views Education» more  CORR 2011»
14 years 10 months ago
The restricted isometry property for time-frequency structured random matrices
We establish the restricted isometry property for finite dimensional Gabor systems, that is, for families of time–frequency shifts of a randomly chosen window function. We show...
Götz E. Pfander, Holger Rauhut, Joel A. Tropp
ICASSP
2011
IEEE
14 years 10 months ago
Function of Phase-Distortion for glottal model estimation
In voice analysis, the parameters estimation of a glottal model, an analytic description of the deterministic component of the glottal source, is a challenging question to assess ...
Gilles Degottex, Axel Röbel, Xavier Rodet
PCM
2009
Springer
197views Multimedia» more  PCM 2009»
16 years 1 months ago
A Hierarchical Semantics-Matching Approach for Sports Video Annotation
Text facilitated sports video analysis has achieved extensive success in video indexing, retrieval and summarization. A commonly adopted basis in previous work is the separate alig...
Chao Liang, Yi Zhang, Changsheng Xu, Jinqiao Wang,...
MIR
2005
ACM
129views Multimedia» more  MIR 2005»
16 years 20 hour ago
Tracking concept drifting with an online-optimized incremental learning framework
Concept drifting is an important and challenging research issue in the field of machine learning. This paper mainly addresses the issue of semantic concept drifting in time series...
Jun Wu, Dayong Ding, Xian-Sheng Hua, Bo Zhang
MIR
2003
ACM
391views Multimedia» more  MIR 2003»
15 years 11 months ago
Generic sign board detection in images
Sign board detection is important for such computer vision applications as video surveillance and content based visual information retrieval. Previous researches on this topic foc...
Hua Shen, Xiaoou Tang