References
- Cohen, W.B. 1991. Response of vegetation indices to change in three measures of leaf water stress. Photogramm. Eng. Remote Sens. 57(2):195-202.
- Drone Industry Insights. 2015. https://www.droneii.com/top10-drone-performance-ranking.
- Dwyer, J.L., F.A. Kruse, and A.B. Lefkoff. 1995. Effects of empirical versus model-based reflectance calibration on automated analysis of imaging spectrometer data: a case study from the Drum Mountains, Utah. Photogramm. Eng. Remote Sens. 61(10):1247-1254.
- Lee, K.D., S.I. Na, S.C. Baek, K.D. Park, J.S. Choi, S.J. Kim, H.J. Kim, H.S. Choi, and S.Y. Hong. 2015. Estimating the amount of nitrogen in hairy vetch on paddy fields using unmaned aerial vehicle imagery. Korean J. Soil Sci. Fert. 48(5):384-390. https://doi.org/10.7745/KJSSF.2015.48.5.384
- Lee, S.G. and Y.S. Kim. 2006. Field campaigns and test results for absolute radiometric calibration. Korea Aerosp. Res. 5(2):213-219.
- Lyon, J.G., D. Yuan, R.S. Lunetta, and C.D. Elvidge. 1998. A change detection experiment using vegetation indices. Photogramm. Eng. Remote Sens. 64(2):143-150.
- Na, S.I., S.Y. Hong, C.W. Park, K.D. Kim, and K.D. Lee, 2016. Estimation of Highland kimchi cabbage growth using UAV NDVI and agro-meteorological factors, Korean J. Soil Sci. Fert. 49(5):420-428 (in Korean). https://doi.org/10.7745/KJSSF.2016.49.5.420
- Pix4D. 2016. Camera requirements for precision agriculture. https://support.pix4d.com/hc/en-us/articles/204894705-Camera-Requirements-for-Precision-Agriculture#gsc.tab=0.
- Rasmussen, J., N. Georgios, J. Nielsen, J. Svensgaard, R.N. Poulsen, and S. Chritensen. 2016. Are vegetation indices derived from consumer-grade cameras mounted on UAVs sufficiently reliable for assessing experimental plots? Eur. J. Agron. 74:75-92. https://doi.org/10.1016/j.eja.2015.11.026
- Richardson, A.J. and J.H. Everitt. 1992. Using spectral vegetation indices to estimate rangeland productivity. Geocarto Int. 1:63-77.
- Smith, G.M. and E.J. Milton. 1999. The use of the empirical line method to calibrate remotely sensed data to reflectance. Int. J. Remote Sens. 20(13):2653-2662. https://doi.org/10.1080/014311699211994
- Tomas, J.R. and H.W. Gausman. 1977. Leat reflectance vs. leaf chlorophyll and carotenoid concentrations for eight crops. Agron. J. 69:799-802. https://doi.org/10.2134/agronj1977.00021962006900050017x
- Torres-Sanchez, J., J.M. Pena, A.I. de Castro, and F. Lopez-Granados. 2014. Multi-temporal mapping of the vegetation fraction in early-season wheat fields using images from UAV. Comput. Electron. Agric. 103:104-113. https://doi.org/10.1016/j.compag.2014.02.009
- Wang, C. and S.W. Myint, 2015. A simplified empirical line method of radiometric calibration for small unmanned aircraft systems-based remote sensing. IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens. 8(5):1876-1885. https://doi.org/10.1109/JSTARS.2015.2422716