Spectroscopy and Spectral Analysis, Volume. 41, Issue 1, 250(2021)
Estimation of Grassland Aboveground Biomass From UAV-Mounted Hyperspectral Image by Optimized Spectral Reconstruction
Fig. 2. The sketch map of the spectral cube parametrization and the preliminary reconstruction
Fig. 3. Comparison between the raw spectrum (a) and the preliminarily reconstructed spectra (order 1~7 (b—h)) for a spectrum
Fig. 4. Fidelity comparison between PRS and OPRS
red planes: PRS; curved surfaces: OPRS
Fig. 6. Absolute correlation coefficients [ABS(CC)] between grassland AGB and spectral variables
(a): Raw spectra; (b—e): Order 1~4 PRS; (f—i): Order 1~4 OPRS
Fig. 7. PLSR models evaluation of grassland AGB prediction
(a): Raw spectra; (b—e): Order 1~4 PRS; (f—i): Order 1~4 OPRS
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Xiao-yan KANG, Ai-wu ZHANG, Hai-yang PANG. Estimation of Grassland Aboveground Biomass From UAV-Mounted Hyperspectral Image by Optimized Spectral Reconstruction[J]. Spectroscopy and Spectral Analysis, 2021, 41(1): 250
Category: Research Articles
Received: Jul. 13, 2019
Accepted: --
Published Online: Apr. 8, 2021
The Author Email: Xiao-yan KANG (xy.maup.kang@gmail.com)