The article “Geospatial Information Processing Technologies” authored by Li Z., Gui Z, Hofer B., Li Y., Scheider S., and Shekhar S is published in the Manual of Digital Earth by the International Society of Digital Earth (Eds. Huadong Guo, Michael Goodchild and Alessandro Annoni).
The book provides a comprehensive literature of current development of Digital Earth. The whole book is open access and can be downloaded here :
https://link.springer.com/book/10.1007/978-981-32-9915-3
