1. Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
2. School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, China
3. Department of Electrical and Computer Engineering, University of Massachusetts Lowell, Lowell, MA, USA
4. College of Mathematics and Statistics, Chongqing University, Chongqing, China
5. Engineering Research Center of Industrial Computed Tomography Nondestructive Testing of the Education Ministry of China, Chongqing University, Chongqing, China
6. Biomedical Imaging Center, AI-based X-ray Imaging System (AXIS) Lab, Rensselaer Polytechnic Institute, Troy, NY, USA