About the Authors
- Yu Liu
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* E-mail: liuyu@urban.pku.edu.cn
Affiliation Institute of Remote Sensing and Geographical Information Systems, Peking University, Beijing, China
- Zhengwei Sui
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Affiliation Institute of Remote Sensing and Geographical Information Systems, Peking University, Beijing, China
- Chaogui Kang
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Affiliation Institute of Remote Sensing and Geographical Information Systems, Peking University, Beijing, China
- Yong Gao
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Affiliation Institute of Remote Sensing and Geographical Information Systems, Peking University, Beijing, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: YL ZS. Performed the experiments: ZS CK. Analyzed the data: YL ZS CK. Contributed reagents/materials/analysis tools: SZ. Wrote the paper: YL YG.