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    Independent Subspace Analysis using Locally Linear Embedding

    Fitzgerald, Derry and Lawlor, Bob and Coyle, Eugene (2003) Independent Subspace Analysis using Locally Linear Embedding. In: Digital Audio Effects Conference (DAFX03), September 8-11, 2003, Queen Mary, University of London.

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    While Independent Subspace Analysis provides a means of blindly separating sound sources from a single channel signal, it does have a number of problems. In particular the amount of information required for separation of sources varies with the signal. This is as a result of the variance-based nature of Principal Component Analysis, which is used for dimensional reduction in the Independent Subspace Analysis algorithm. In an attempt to overcome this problem the use of a non-variance based dimensional reduction method, Locally Linear Embedding, is proposed. Locally Linear Embedding is a geometry based dimensional reduction technique. The use of this approach is demonstrated by its application to single channel source separation, and its merits discussed.

    Item Type: Conference or Workshop Item (Paper)
    Keywords: Locally Linear Embedding; Independent Subspace Analysis; Principal Component Analysis;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 694
    Depositing User: Robert Lawlor
    Date Deposited: 05 Sep 2007
    Refereed: No
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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