About the Authors

Jian Fu

fujian706@buaa.edu.cn

Affiliation Research center of digital radiation imaging, Beijing University of Aeronautics and Astronautics, Beijing, People’s Republic of China

Chen Li

Affiliation Research center of digital radiation imaging, Beijing University of Aeronautics and Astronautics, Beijing, People’s Republic of China

Zhenzhong Liu

Affiliation Research center of digital radiation imaging, Beijing University of Aeronautics and Astronautics, Beijing, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JF. Performed the experiments: JF. Analyzed the data: JF CL ZL. Contributed reagents/materials/analysis tools: JF. Wrote the paper: JF. Designed the software used in analysis: JF.