On the processing pf piecewise-constant signals by hierarchical models with application to single ion channel currents

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A new approach for processing of piecewise-constant signals is proposed. It is based on modeling the observed data as a sum of a random signal and noise. The random signal has a Gibbs distribution, and the noise is Gaussian. A MAP criterion in derived for joint estimation of the number of signal levels and reconstruction of signal. The criterion comprises of three terms, one corresponding to the likelihood of the data and two to penalties. One penalty term penalizes for unnecessary transitions, and the other, for unnecessary levels. The method has been tested on synthesized data and applied to single ... continued below

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4 p.

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Djuric, P.M.; Fwu, Jong-Kae; Jovanovic, S. & Lynn, K. March 1, 1996.

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A new approach for processing of piecewise-constant signals is proposed. It is based on modeling the observed data as a sum of a random signal and noise. The random signal has a Gibbs distribution, and the noise is Gaussian. A MAP criterion in derived for joint estimation of the number of signal levels and reconstruction of signal. The criterion comprises of three terms, one corresponding to the likelihood of the data and two to penalties. One penalty term penalizes for unnecessary transitions, and the other, for unnecessary levels. The method has been tested on synthesized data and applied to single ion channel recording.

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4 p.

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OSTI as DE96008216

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  • International conference on acoustic speech and signal processing, Atlanta, GA (United States), 7 May - 10 Jun 1996

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  • Other: DE96008216
  • Report No.: BNL--62775
  • Report No.: CONF-9605108--1
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 224109
  • Archival Resource Key: ark:/67531/metadc665224

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  • March 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 3, 2015, 5:06 p.m.

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Djuric, P.M.; Fwu, Jong-Kae; Jovanovic, S. & Lynn, K. On the processing pf piecewise-constant signals by hierarchical models with application to single ion channel currents, article, March 1, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc665224/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.