Non-Local Patch Regression Algorithm-Enhanced Differential Photoacoustic Methodology for Highly Sensitive Trace Gas Detection
A non-local patch regression (NLPR) denoising-enhanced differential broadband photoacoustic (PA) sensor was developed for the high-sensitive detection of multiple trace gases. Using the edge preservation index (EPI) and signal-to-noise ratio (SNR) as a dual-criterion, the fluctuation was dramaticall...
Main Authors: | Le Zhang, Lixian Liu, Huiting Huan, Xukun Yin, Xueshi Zhang, Andreas Mandelis, Xiaopeng Shao |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-09-01
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Series: | Chemosensors |
Subjects: | |
Online Access: | https://www.mdpi.com/2227-9040/9/9/268 |
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