Method and apparatus for spectral mixture resolution

Details Method and apparatus for spectral mixture resolution Method and apparatus for spectral mixture resolution

2011-04-26

2011-04-26

Tucker, Wesley (Department: 2624)

Image analysis

Applications

C382S103000, C382S107000, C702S023000, C702S027000, C702S030000, C702S076000, C702S196000, C356S301000, C356S417000, C356S318000

Reexamination Certificate

active

07933430

ABSTRACT:
The spectral method for determining the concentrations of a substance in a mixture of any number of substances is defined by a chemical image having a plurality of pixels (520). The method includes steps of providing a spectrum for each of the n number of substances in the mixture (530), and obtaining the spectrum for one of the plurality of pixels, and calculating a plurality of estimated concentrations of each substance in the mixture as a function of the spectrum for each substance and the spectrum for the pixel, and calculating a deviation value for each of the plurality of estimated concentrations as a function of the spectrum of each of the number of substances in the mixture, and selecting the estimated concentration with the lowest deviation factor as a most likely concentration of each substance in the mixture (550).

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