Rice false smut (RFS), caused by Ustilaginoidea virens, is a significant grain disease in rice that can lead to reduced yield and quality. In order obtain spatiotemporal change information, multitemporal hyperspectral UAV data were used this study determine the sensitive wavebands for RFS identification, 665–685 705–880 nm. Then, two methods extraction of smut-infected areas, one based on spect...
