Document is current

Article History

Received: 8 March 2023

Accepted: 13 April 2023

First Online: 8 June 2023

Compliance with ethics guidelines

: This paper is to be included in a special feature for which Ying TANG is a guest editor. Fei-Yue WANG is an editorial board member of <i>Frontiers of Information Technology & Electronic Engineering</i>. Ying TANG and Fei-Yue WANG were not involved with the peer review process of this paper. Jiacun WANG, Ying TANG, Ryan HARE, and Fei-Yue WANG declare that they have no conflict of interest.