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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F11%3A10105611%21RIV12-MSM-11320___
rdf:type
skos:Concept n16:Vysledek
rdfs:seeAlso
http://www.springerlink.com/content/9578477601965430/fulltext.pdf
dcterms:description
We tested a Maximum Entropy Method developed for oversampled data (SVD-MEM) on complex analytically simulated exponential decay data consisting of both noisy and noiseless multi-exponential fluorescence decay curves. We observed recovery of simulated parameters for three sets of data: a decay containing three exponential functions in both intensity and anisotropy curves, a set of intensity decays composed of 4, 5 and 6 exponential functions, and a decay characterized by a Gaussian lifetime distribution. The SVD-MEM fitting of the noiseless data returned the simulated parameters with the high accuracy. Noise added to the data affected recovery of the parameters in dependence on a data complexity. At selected realistic noise levels we obtained a good recovery of simulated parameters for all tested data sets. Decay parameters recovered from decays containing discrete lifetime components were almost independent of the value of the entropy scaling parameter gamma used in the maximization procedure when it changed across the main peak of its posterior probability. A correct recovery of the Gaussian shaped lifetime distribution required selection of the gamma-factor which was by several orders of magnitude larger than its most probable value to avoid a band splitting. We tested a Maximum Entropy Method developed for oversampled data (SVD-MEM) on complex analytically simulated exponential decay data consisting of both noisy and noiseless multi-exponential fluorescence decay curves. We observed recovery of simulated parameters for three sets of data: a decay containing three exponential functions in both intensity and anisotropy curves, a set of intensity decays composed of 4, 5 and 6 exponential functions, and a decay characterized by a Gaussian lifetime distribution. The SVD-MEM fitting of the noiseless data returned the simulated parameters with the high accuracy. Noise added to the data affected recovery of the parameters in dependence on a data complexity. At selected realistic noise levels we obtained a good recovery of simulated parameters for all tested data sets. Decay parameters recovered from decays containing discrete lifetime components were almost independent of the value of the entropy scaling parameter gamma used in the maximization procedure when it changed across the main peak of its posterior probability. A correct recovery of the Gaussian shaped lifetime distribution required selection of the gamma-factor which was by several orders of magnitude larger than its most probable value to avoid a band splitting.
dcterms:title
Maximum Entropy Analysis of Analytically Simulated Complex Fluorescence Decays Maximum Entropy Analysis of Analytically Simulated Complex Fluorescence Decays
skos:prefLabel
Maximum Entropy Analysis of Analytically Simulated Complex Fluorescence Decays Maximum Entropy Analysis of Analytically Simulated Complex Fluorescence Decays
skos:notation
RIV/00216208:11320/11:10105611!RIV12-MSM-11320___
n16:predkladatel
n17:orjk%3A11320
n3:aktivita
n12:Z
n3:aktivity
Z(MSM0021620835)
n3:cisloPeriodika
5
n3:dodaniDat
n19:2012
n3:domaciTvurceVysledku
n9:7948395 n9:2436191
n3:druhVysledku
n14:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
210980
n3:idVysledku
RIV/00216208:11320/11:10105611
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Fluorescence decays; Analytical simulations; Maximum entropy method
n3:klicoveSlovo
n10:Maximum%20entropy%20method n10:Analytical%20simulations n10:Fluorescence%20decays
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[4E3B321A4EAA]
n3:nazevZdroje
Journal of Fluorescence
n3:obor
n4:BO
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n19:2011
n3:svazekPeriodika
21
n3:tvurceVysledku
Heřman, Petr Večeř, Jaroslav
n3:wos
000291999400006
n3:zamer
n20:MSM0021620835
s:issn
1053-0509
s:numberOfPages
9
n6:doi
10.1007/s10895-009-0589-1
n21:organizacniJednotka
11320