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Remote Sensing
Volume 13
Issue 7
10.3390/rs13071357
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Communication

Intensity Values of Terrestrial Laser Scans Reveal Hidden Black Rock Art Pigment

by
Andrea Jalandoni
1,*,
W. Ross Winans
2 and
Mark D. Willis
3
1
Griffith Centre for Social and Cultural Research, Griffith University, Gold Coast, QLD 4222, Australia
2
Department of Geography and Environment, College of Social Sciences, University of Hawai‘i at Mānoa, Honolulu, HI 96822, USA
3
Archaeology, College of Humanities, Arts and Social Sciences, Flinders University, GPO Box 2100, Adelaide, SA 5001, Australia
*
Author to whom correspondence should be addressed.
Remote Sens. 2021, 13(7), 1357; https://doi.org/10.3390/rs13071357
Submission received: 12 February 2021 / Revised: 20 March 2021 / Accepted: 30 March 2021 / Published: 1 April 2021
(This article belongs to the Section Remote Sensing Image Processing)
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Abstract

The intensity values of terrestrial laser scanning (TLS) can be used to reveal painted black rock art behind graffiti and moss. The effect was observed in Gumahon cave in Peñablanca, Philippines where previously unnoticed black pigment was exposed underneath moss, red and white painted graffiti, and etched name graffiti. The application of TLS intensity values for this purpose has not, to our knowledge, been previously reported. The significance of this finding is that archaeologists are provided a new method of detecting obfuscated rock art that can aid interpretation. The method can be applied in similar contexts as black painted rock art is common in limestone caves across Southeast Asia and Micronesia, but also ubiquitous globally.
Keywords: terrestrial laser scanning; intensity value; rock art; remote sensing terrestrial laser scanning; intensity value; rock art; remote sensing
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MDPI and ACS Style

Jalandoni, A.; Winans, W.R.; Willis, M.D. Intensity Values of Terrestrial Laser Scans Reveal Hidden Black Rock Art Pigment. Remote Sens. 2021, 13, 1357. https://doi.org/10.3390/rs13071357

AMA Style

Jalandoni A, Winans WR, Willis MD. Intensity Values of Terrestrial Laser Scans Reveal Hidden Black Rock Art Pigment. Remote Sensing. 2021; 13(7):1357. https://doi.org/10.3390/rs13071357

Chicago/Turabian Style

Jalandoni, Andrea, W. Ross Winans, and Mark D. Willis. 2021. "Intensity Values of Terrestrial Laser Scans Reveal Hidden Black Rock Art Pigment" Remote Sensing 13, no. 7: 1357. https://doi.org/10.3390/rs13071357

APA Style

Jalandoni, A., Winans, W. R., & Willis, M. D. (2021). Intensity Values of Terrestrial Laser Scans Reveal Hidden Black Rock Art Pigment. Remote Sensing, 13(7), 1357. https://doi.org/10.3390/rs13071357

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