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http://dx.doi.org/10.7780/kjrs.2022.38.3.7

Design of Calibration and Validation Area for Forestry Vegetation Index from CAS500-4  

Lim, Joongbin (Forest ICT Research Center, National Institute of Forest Science)
Cha, Sungeun (Forest ICT Research Center, National Institute of Forest Science)
Won, Myoungsoo (Forest ICT Research Center, National Institute of Forest Science)
Kim, Joon (Department of Environmental Science and Ecological Engineering, Korea University)
Park, Juhan (Information and Management Department, National Center for Agro-Meteorology)
Ryu, Youngryel (Department of Landscape Architecture and Rural Systems Engineering, Seoul National University)
Lee, Woo-Kyun (Division of Environmental Science and Ecological Engineering, Korea University)
Publication Information
Korean Journal of Remote Sensing / v.38, no.3, 2022 , pp. 311-326 More about this Journal
Abstract
The Compact Advanced Satellite 500-4 (CAS500-4) is under development to efficiently manage and monitor forests in Korea and is scheduled to launch in 2025. The National Institute of Forest Science is developing 36 types of forestry applications to utilize the CAS500-4 efficiently. The products derived using the remote sensing method require validation with ground reference data, and the quality monitoring results for the products must be continuously reported. Due to it being the first time developing the national forestry satellite, there is no official calibration and validation site for forestry products in Korea. Accordingly, the author designed a calibration and validation site for the forestry products following international standards. In addition, to install calibration and validation sites nationwide, the authors selected appropriate sensors and evaluated the applicability of the sensors. As a result, the difference between the ground observation data and the Sentinel-2 image was observed to be within ±5%, confirming that the sensor could be used for nationwide expansion.
Keywords
CAS500-4; Compact Advanced Satellite 500; Calibration; Validation;
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Times Cited By KSCI : 6  (Citation Analysis)
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