Augmentations for selective multi-species quantification from infrared spectroscopic data

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1 Scopus citations

Abstract

Sensitivity and selectivity are arguably the two most important qualities in a new sensor design. While many spectroscopic sensors developed in laboratory conditions achieve high sensitivity and selectivity, they are not always applicable to real-world conditions. Challenges in real-world applications come from corruptions like noise and interference. This study leverages machine learning methods for accurate and robust quantification under such corruptions. We propose simple yet effective augmentation strategies that promote robustness against unknown interference. The performance of the proposed augmentations is compared under varying levels of interference and noise. We demonstrate our methodology for a gas sensing application using infrared spectroscopy data. We focus on quantifying common volatile organic compounds (VOCs) in a realistic scenario with several unknown interfering species. The findings of this work put us a step closer to creating a robust and widely-applicable sensing platform.
Original languageEnglish (US)
Pages (from-to)104913
JournalChemometrics and Intelligent Laboratory Systems
Volume240
DOIs
StatePublished - Jul 19 2023

Bibliographical note

KAUST Repository Item: Exported on 2023-08-01
Acknowledgements: This work was funded by the Office of Sponsored Research at King Abdullah University of Science and Technology (KAUST), Saudi Arabia.

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