NDLI: ICA-Based Clustering for Resolving Permutation Ambiguity in Frequency-Domain Convolutive Source Separation

Content Provider	IEEE Xplore Digital Library
Author	Minje Kim Seungjin Choi
Copyright Year	2006
Description	Author affiliation: Dept. of Comput. Sci., Pohang Univ. of Sci. & Technol. (Minje Kim; Seungjin Choi)
Abstract	Permutation ambiguity is an inherent limitation in independent component analysis, which is a bottleneck in frequency-domain methods of convolutive source separation. In this paper we present a method for resolving this permutation ambiguity, where we group vectors of estimated frequency responses into clusters in such a way that each cluster contains frequency responses associated with the same source. The clustering is carried out, applying independent component analysis to estimated frequency responses. In contrast to existing methods, the proposed method does not require any prior information such as the geometric configuration of microphone arrays or distances between sources and microphones. Experimental results confirm the validity of our method
Sponsorship	IEEE CPS
Starting Page	950
Ending Page	954
File Size	476954
Page Count	5
File Format	PDF
ISBN	0769525210
ISSN	10514651
DOI	10.1109/ICPR.2006.657
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Source separation Frequency estimation Frequency domain analysis Independent component analysis Finite impulse response filter Fourier transforms Microphone arrays Signal restoration Signal processing Time domain analysis
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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