1. Key Laboratory of Optoelectronic Technology and Systems of the Ministry of Education of China, Chongqing University, Chongqing 400044, China
2. Engineering Research Centre of Industrial Computed Tomography Nondestructive Testing of the Ministry of Education of China, Chongqing University, Chongqing 400044, China
3. College of Mathematics and Statistics, Chongqing University, Chongqing 401331, China
4. College of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
5. College of Mechanical Engineering, Chongqing University, Chongqing 400030, China