Conceptualization, B.Q.; methodology, B.Q. and Z.D.; software, Z.D.; supervision, B.Q.; funding acquisition, B.Q; validation, B.Q., Z.D.; formal analysis, Z.D.; investigation, B.Q. and Z.D.; resources, B.Q. and Z.D.; data curation, Z.D.; writing—original draft preparation, Z.D.; writing—review and editing, Z.D. and B.Q.; visualization, Z.D. All authors have read and agreed to the published version of the manuscript. This research was funded by the key project of the Social Science Foundation of Hengyang under grant number 2021B(I)004 and the Open Foundation of Hengyang Base of International Centre on Space Technologies for Natural and Cultural Heritage under the auspices of UNESCO, grant number 2021HSKFJJ029.