WebJun 15, 2024 · In this study, the UAV-based VIs was exploited to relate to field-measured phenotyping and estimate grain yield in different rice cultivars. It is found that VIs provided strong correlation with canopy phenotyping – EVI2 closely correlated with LAI and CCC, CI rededge closely related to AGB. And these two VIs were used for yield estimation in ... WebAll Algorithms implemented in Python. Contribute to saitejamanchi/TheAlgorithms-Python development by creating an account on GitHub.
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WebChlorophyll Index (CI) The chlorophyll index is used to calculate the total chlorophyll content of the leaves. The CIgreen and CIred-edge values are sensitive to small variations in the chlorophyll content and consistent … WebNov 1, 2024 · Generally, all VI-derived FSEPs produced higher r values with LAI than VIs. Especially for the VIs which had relatively lower r values, their FSEPs performed an obviously stronger correlation with LAI (such as CI rededge and CI green). The results of correlation analysis indicated that VI-derived FSEPs correlated positively with LAI. image world diamond art
Remote estimation of rapeseed yield with unmanned aerial …
WebJun 15, 2024 · In addition, the optimal estimation was achieved by CI rededge with R 2, RMSE and RRMSE of 0.62, 48.773 g/m 2 and 5.7 % in 2024 Hainan, and by EVI2 with R 2, RMSE and RRMSE of 0.57, 47.895 g/m 2 and 5.3 % in 2024 Hubei, respectively. It indicated that VIs could provide a comparable estimation of grain yield to field-measured canopy … WebNov 1, 2024 · Red-edge Chlorophyll Index (CI rededge) R 800nm /R 720nm − 1 Gitelson et al. [32] Green-edge Chlorophyll Index (CI green ) R 800nm /R 550nm − 1 Gitelson et al. [ 32 ] WebRed (0.64–0.68 m), Rededge (0.73–0.74 m), and Near-Infrared (0.77–0.81 m). The imagery captured was stitched together in Pix4Dmapper, which generates two types of multispectral orthomosaics: the NoAlpha and the transparent mosaics for each band. The NoAlpha imagery was used as input into QGIS to extract reflectance data. image world map flat