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Field calibration and validation of remote-sensing surveys

Shachak Pe’eri·Andy McLeod·Paul Lavoie·Seth D. Ackerman·James Gardner·Christopher Parrish
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Abstract

The Optical Collection Suite (OCS) is a ground-truth sampling system designed to perform in situ measurements that help calibrate and validate optical remote-sensing and swath-sonar surveys for mapping and monitoring coastal ecosystems and ocean planning. The OCS system enables researchers to collect underwater imagery with real-time feedback, measure the spectral response, and quantify the water clarity with simple and relatively inexpensive instruments that can be hand-deployed from a small vessel. This article reviews the design and performance of the system, based on operational and logistical considerations, as well as the data requirements to support a number of coastal science and management projects. The OCS system has been operational since 2009 and has been used in several ground-truth missions that overlapped with airborne lidar bathymetry (ALB), hyperspectral imagery (HSI), and swath-sonar bathymetric surveys in the Gulf of Maine, southwest Alaska, and the US Virgin Islands (USVI). Research projects that have used the system include a comparison of backscatter intensity derived from acoustic (multibeam/interferometric sonars) versus active optical (ALB) sensors, ALB bottom detection, and seafloor characterization using HSI and ALB.

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International Journal of Remote SensingArticle
90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 17.774787° to 56.580001° latitude; -133.810887° to -64.599525° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Shachak Pe’eri, Andy McLeod, Paul Lavoie, Seth D. Ackerman, James Gardner, Christopher Parrish. 2013-06-10. Field calibration and validation of remote-sensing surveys. https://doi.org/10.1080/01431161.2013.800655

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