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  • JSAP-OSA Joint Symposia 2019 Abstracts
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper 19p_E215_12

Machine Learning Classifiers for Terahertz Waveform Recognition

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Abstract

Several machine learning (ML) classifiers were tested to automate the analysis of time-domain terahertz spectroscopy (THz-TDS) imaging, which is inherently the hyperspectral technique with often large datasets having the sliced image data in frequency and time domains. Among the tested ML classifiers for THz waveform recognitions, the random forest one was the best choice in terms of overall accuracy, speed, robustness, and user-friendliness (see Table 1 and Fig. 1). Combining these and our previously reported results in frequency domain [1], such ML techniques could have a great potential for THz-TDS analytical and non-destructive testing (NDT) applications.

© 2019 Japan Society of Applied Physics, The Optical Society (OSA)

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