1. AVIC Chengdu Aircraft Industrial (Group) Company Ltd., Chengdu, China
2. Department of Guidance, Navigation and Control, School of Astronautics, Beihang University, Beijing, China
3. School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China
4. Image Processing Center, School of AstronauticsState Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China