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ICASSP
2008
IEEE
16 years 29 days ago
Blind source separation using monochannel overcomplete dictionaries
We propose a new approach to underdetermined Blind Source Separation (BSS) using sparse decomposition over monochannel dictionary atoms and compare it to multichannel dictionary a...
B. Vikrham Gowreesunker, Ahmed H. Tewfik
ICASSP
2008
IEEE
16 years 29 days ago
Target-oriented phone tokenizers for spoken language recognition
This paper presents a new strategy for designing the parallel phone recognizers for spoken language recognition. Given a collection of parallel phone recognizers, we select a subs...
Rong Tong, Bin Ma, Haizhou Li, Engsiong Chng
ICPR
2008
IEEE
16 years 28 days ago
Ranking the local invariant features for the robust visual saliencies
Local invariant feature based methods have been proven to be effective in computer vision for object recognition and learning. But for an image, the number of points detected and ...
Shengping Xia, Peng Ren, Edwin R. Hancock
ICPR
2008
IEEE
16 years 28 days ago
Group-based meta-classification
Virtually all existing classification techniques label one sample at a time. In this paper, we highlight the potential benefits of group based classification (GBC), where the clas...
Noor Azah Samsudin, Andrew Bradley
BIBE
2007
IEEE
176views Bioinformatics» more  BIBE 2007»
16 years 26 days ago
HICCUP: Hierarchical Clustering Based Value Imputation using Heterogeneous Gene Expression Microarray Datasets
Abstract—A novel microarray value imputation method, HICCUP1 , is presented. HICCUP improves upon existing value imputation methods in the several ways. (1) By judiciously integr...
Qiankun Zhao, Prasenjit Mitra, Dongwon Lee, Jaewoo...