The authorship in Ref. [1] originally reads as follows:

Chang Xu,¹ Tingfa Xu,^1,* Ge Yan,¹ Xu Ma,^1,4 Yuhan Zhang,¹ Xi Wang,¹ Feng Zhao,² and Gonzalo R. Arce³

¹Key Laboratory of Photoelectronic Imaging Technology and System, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China

²School of Computer Science and Information Security, Guilin University of Electronic Technology, Guilin 541004, China

³Department of Electrical and Computer Engineering, University of Delaware, Newark, Delaware 19716, USA

⁴e-mail: maxu@bit.edu.cn

^*Corresponding author: ciom_xtf1@bit.edu.cn

The authors, Tingfa Xu and Xu Ma, share the equal corresponding authorship. The corrected information is shown at the beginning of this paper. The paper [1] was corrected online on 7 April 2020.