Unmixing error of composite spectra as a function of concentration, signal-to-noise ratio, and peak separation

Authors

Wilma R. Oblefias ⋅ PH National Institute of Physics, University of the Philippines Diliman
Maricor N. Soriano ⋅ PH National Institute of Physics, University of the Philippines Diliman
Caesar A. Saloma ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

We analyze the unmixing error of calculated relative concentration of component spectra as a function of concentration and peak separation. The algorithm is based on least-squares minimization with coefficient optimization. Simulation shows that the error decreases following a power law equation with the increase of concentration and peak separation of component spectra due to the independence of absolute error on concentration. An experiment using different colors of light emitting diodes verifies the result from simulation.

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Issue

2006: Proceedings of the 24th Samahang Pisika ng Pilipinas National Physics Congress

Article ID

SPP-2006-3F-01

Section

Image and Signal Processing

Published

2006-10-25

How to Cite

[1]

WR Oblefias, MN Soriano, and CA Saloma, Unmixing error of composite spectra as a function of concentration, signal-to-noise ratio, and peak separation, Proceedings of the Samahang Pisika ng Pilipinas 24, SPP-2006-3F-01 (2006). URL: https://proceedings.spp-online.org/article/view/SPP-2006-3F-01.