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May 9, 2026SensorsOpen Access

Quantitative Archaeological Feature Identification Using Handheld Spectrometers

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Authors

YCYoon Jung Choi

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Overview

Randomized trial investigates soil spectroscopy efficacy for identifying archaeological features, suggesting improved excavation processes.

Key Points

  • To explore the effectiveness of visible-near-infrared spectroscopy in identifying archaeological features based on soil characteristics.
  • Collected surface soil spectra using a portable spectrometer at a rescue excavation site in Hyeondo-myeon, Republic of Korea.
  • Applied a PCA-based spectral deviation approach to differentiate archaeological soils from natural background spectra.
  • Achieved balanced accuracy values exceeding 0.70, with several sites surpassing 0.80 under optimized configurations.
  • Balanced accuracy values exceeded 0.70 across sites, indicating effective detection of archaeological features.
  • Specific sites reached accuracy values above 0.80, showing strong statistical discrimination associated with identified feature zones.
  • The 400–1000 nm wavelength range proved to be the most stable and reproducible for archaeological feature identification.

Cite This Study

Yoon Jung Choi (2026) studied this question.

synapsesocial.com/papers/69fed021b9154b0b82877184https://doi.org/10.3390/s26102935
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