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  • Title: [Adaptive restoration of single ion channel signal under filtering and colored background noise].
    Author: Han X, Han X, Liu X, Lin J.
    Journal: Sheng Wu Yi Xue Gong Cheng Xue Za Zhi; 2002 Sep; 19(3):444-8. PubMed ID: 12557518.
    Abstract:
    In order to overcome the effects of the anti-aliasing filter and the colored background noise, an adaptive algorithm is proposed to estimate the parameters of ion channel kinetics and the background noise, and whereafter the ion channel signal could be restored from the strong noisy patch-clamp recordings. The algorithm cross-couples the recursive expectation-maximization algorithm, which estimates optimally the parameters of hidden Markov model, and the recursive extended least square algorithm, which estimates optimally the characteristics of the background noise. Simulation suggests that this cross-coupling algorithm convergences consistently, and is very robust to the inexact conformation number.
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