1. Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions (Henan University) Ministry of Education Kaifeng China
2. College of Geography and Environmental Science Henan University Kaifeng China
3. Henan Industrial Technology Academy of Spatiotemporal Big Data Henan University Zhengzhou China
4. Urban Big Data Institute Henan University Kaifeng China
5. Henan Technology Innovation Center of Spatiotemporal Big Data Henan University Zhengzhou China
6. School of Computer and Information Engineering Henan University Kaifeng China