Correction of background drifts in optical spectra by means of "pseudo principal components''

Authors
Vogt, F Rebstock, K Tacke, M
Citation
F. Vogt et al., Correction of background drifts in optical spectra by means of "pseudo principal components'', CHEM INTELL, 50(2), 2000, pp. 175-178
Citations number
5
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences
Journal title
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
ISSN journal
01697439 → ACNP
Volume
50
Issue
2
Year of publication
2000
Pages
175 - 178
Database
ISI
SICI code
0169-7439(20000313)50:2<175:COBDIO>2.0.ZU;2-U
Abstract
In this paper, a novel technique for correction of background drifts is rep orted. The method is based on the use of artificial pseudo principal compon ents (pPC). These pPC are used for modeling the drifts of the background of each measurement spectrum individually. They are handled like the known pr incipal components (PC) that build up the absorption features. Simultaneous evaluation of drifts and absorptions improve the correction ability. This is demonstrated by means of simulated spectra as well as by experimental UV transmissions spectra. (C) 2000 Elsevier Science B.V. All rights reserved.