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Digitale Medien

Bayesian signal extraction from noisy FT NMR spectra (1994)

Rouh, Alain ; Louis-Joseph, Alain ; Lallemand, Jean-Yves

Springer

Journal of biomolecular NMR 4 (1994), S. 505-518

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Details

ISSN: 1573-5001

Schlagwort(e): Histogram ; Bayesian detection ; 3D NMR

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Summary The statistical interpretation of the histogram representation of NMR spectra is described, leading to an estimation of the probability density function of the noise. The white-noise and Gaussian hypotheses are discussed, and a new estimator of the noise standard deviation is derived from the histogram strategy. The Bayesian approach to NMR signal detection is presented. This approach homogeneously combines prior knowledge, obtained from the histogram strategy, together with the posterior information resulting from the test of presence of a set of reference shapes in the neighbourhood of each data point. This scheme leads to a new strategy in the local detection of NMR signals in 2D and 3D spectra, which is illustrated by a complete peak-picking algorithm.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00156617

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