KeyLaboratoryofDigitalEarthScience;
InstituteofRemoteSensingandDigitalEarth;
ChineseAcademyofSciences;
Beijing100094;
China;
ChongqingInstituteofSurveyingandPlanningforLandResourcesandHousing;
Chongqing400020;
China;
CSIROMathematics;
InformaticsandStatistics;
FloreatWA6014;
Australia;