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Analysis of noise reduction in redundant expansions under distributed processing requirements

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Title: Analysis of noise reduction in redundant expansions under distributed processing requirements
Author: Rozell, Chris; Johnson, Don
Type: Conference Paper
Keywords: frame theory; distributed processing
Citation: C. Rozell and D. Johnson,"Analysis of noise reduction in redundant expansions under distributed processing requirements," in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP),
Abstract: We considered signal reconstruction with redundant expansions under distributed processing in noisy environments. Redundant expansions have the ability to reduce noise corrupting the coefficients, but distributed processing schemes will not be able to take full advantage of the redundancy present. We apply frame theory and a generalization called â frames of subspacesâ to find conditions when distributed reconstruction suffers no loss in noise reduction ability, and we bound performance loss in more general cases.
Date Published: 2005-03-01

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  • ECE Publications [1030 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • DSP Publications [508 items]
    Publications by Rice Faculty and graduate students in digital signal processing.