Remote Sensing Applications and Decision Support

Construction of an unmanned aerial vehicle remote sensing system for crop monitoring

[+] Author Affiliations
Seungtaek Jeong, Jonghan Ko, Mijeong Kim

Chonnam National University, Applied Plant Science, 77 Youngbong-ro, Buk-gu, Gwangju 500-757, Republic of Korea

Jongkwon Kim

Junsung E&R, 793 Hanam-daero, Buk-gu, Gwangju 500-858, Republic of Korea

J. Appl. Remote Sens. 10(2), 026027 (Jun 01, 2016). doi:10.1117/1.JRS.10.026027
History: Received January 25, 2016; Accepted May 9, 2016
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Abstract.  We constructed a lightweight unmanned aerial vehicle (UAV) remote sensing system and determined the ideal method for equipment setup, image acquisition, and image processing. Fields of rice paddy (Oryza sativa cv. Unkwang) grown under three different nitrogen (N) treatments of 0, 50, or 115  kg/ha were monitored at Chonnam National University, Gwangju, Republic of Korea, in 2013. A multispectral camera was used to acquire UAV images from the study site. Atmospheric correction of these images was completed using the empirical line method, and three-point (black, gray, and white) calibration boards were used as pseudo references. Evaluation of our corrected UAV-based remote sensing data revealed that correction efficiency and root mean square errors ranged from 0.77 to 0.95 and 0.01 to 0.05, respectively. The time series maps of simulated normalized difference vegetation index (NDVI) produced using the UAV images reproduced field variations of NDVI reasonably well, both within and between the different N treatments. We concluded that the UAV-based remote sensing technology utilized in this study is potentially an easy and simple way to quantitatively obtain reliable two-dimensional remote sensing information on crop growth.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Seungtaek Jeong ; Jonghan Ko ; Mijeong Kim and Jongkwon Kim
"Construction of an unmanned aerial vehicle remote sensing system for crop monitoring", J. Appl. Remote Sens. 10(2), 026027 (Jun 01, 2016). ; http://dx.doi.org/10.1117/1.JRS.10.026027


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