[1
]School of Geography and Remote Sensing, Guangzhou University, Guangzhou, China
[2
]Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, China
[3
]School of Intelligent Systems Engineering, Sun Yat-sen University, Guangzhou, China
[4
]Shenzhen Urban Transport Planning Center Co., Ltd, Shenzhen, China
[5
]Guangzhou Urban Planning and Design Survey Research Institute, Guangzhou, China
[6
]Guangdong Enterprise Key Laboratory for Urban Sensing, Monitoring and Early Warning,
Guangzhou, China