Data processing: measuring – calibrating – or testing – Calibration or correction system
Reexamination Certificate
2008-04-15
2008-04-15
Lau, Tung S. (Department: 2863)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Reexamination Certificate
active
07359815
ABSTRACT:
A method is provided for correcting at least one portion of a spectrum, in particular a Raman spectrum, by eliminating a baseline which is due to a perturbing spectrum, in particular due to a fluorescence spectrum, superimposed on the spectrum, wherein i) a convex envelope of the spectrum is determined, at least in the portion of the spectrum which is to be corrected, and ii) the convex part of the envelope lying below the spectrum is subtracted from the spectrum in the portion to be corrected. Before step i), iii) a convex function f is added to the spectrum in the portion to be corrected.
REFERENCES:
patent: 6154708 (2000-11-01), Koashi
patent: 2003/0195708 (2003-10-01), Brown
patent: 2003/0231306 (2003-12-01), Gornushkin et al.
Chad, et al., “Automated Method for Subtraction of Fluorescence from Biological Raman Spectra”, Applied Spectroscopy, vol. 57, No. 11, pp. 1363-1367, 2003.
Pirzer Martin
Sawatzki Jürgen
Bruker Optik GmbH
Lau Tung S.
Law Offices of Paul E. Kudirka
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