Research on Hyperspectral Image Processing Method of IspecHyper Multi-rotor UAV
In order to solve the problems of IspecHyper multi-rotor UAV hyperspectral imaging system,such as lack of data processing sup-porting software,large error in collecting multi-band hyperspectral data,lack of coordinates,and inability to automatically stitch.Taking the citrus planting base of Jiaolong Village,Taiping Town,Wuming District as the research area,this paper studies the hyperspectral image pro-cessing method of IspecHyper multi-rotor UAV.Firstly,the IspecHyper-VM200 imaging system was used to obtain high-definition photos and multi-band hyperspectral image data of the study area.Secondly,using high-definition photos as data sources,high-resolution UAV orthopho-tos were formed by PXI4D Mapper software preprocessing and ENVI software image geometric correction.Finally,the ENVI software was used to cut the distorted boundary data of multi-band hyperspectral images,and the geometric correction was completed based on the UAV orthopho-to image,and then the hyperspectral reflectance image product was formed through image mosaic and spectral conversion calculation.The ex-perimental results show that the technical method formed in this paper can effectively solve the problems of hyperspectral image processing of IspecHyper multi-rotor UAV,and provide technical reference for hyperspectral image processing of UAV.
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