1. Department of Engineering, Shenzhen MSU-BIT University, Shenzhen, China
2. College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China
3. Department of Electronics and Communication Engineering, The Hong Kong University of Science and Technology, Hong Kong
4. DJI Creative Studio LLC, Burbank, CA, USA
5. Navigation College, Dalian Maritime University, Dalian, China