http://orcid.org/0000-0001-9584-879X
About the Authors
- Yunyan Gu
-
Contributed equally to this work with: Yunyan Gu, Jianhua Yang
Roles Data curation, Investigation, Software, Writing – original draft
Affiliation School of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Jianhua Yang
-
Contributed equally to this work with: Yunyan Gu, Jianhua Yang
Roles Writing – review & editing
* E-mail: yangjianhua@nwpu.edu.cn
Affiliation School of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Conghui Wang
-
Roles Formal analysis
¶‡ These authors also contributed equally to this work.
Affiliation School of Automation, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Guo Xie
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Roles Project administration, Resources
¶‡ These authors also contributed equally to this work.
Affiliation Department of Shenzhen Airport Terminal Area, Shenzhen Airport CO., Ltd., Shenzhen, Guangdong, China
Competing Interests
Shenzhen Airport CO., Ltd., provided support in the form of salaries for the forth author [GX], but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. Shenzhen Airport Co., Ltd. or any other institution does not develop related information products and apply for patents, does not provide test funds, and does not mind appearing as the author's unit. And it doesn't affect your decision to publish and share the results in journals.This does not alter our adherence to PLOS ONE policies on sharing data and materials.