IEEE C/DC 1857 Working Group
IEEE Audio Video Coding Working Group (1857 WG)

Meeting Minutes of the 52nd IEEE C/DC 1857 Working Group Plenary Meeting

The 52nd meeting of the IEEE C/DC 1857 Working Group was held via conference call, quorum reached. The meeting was hosted by Dr. Siwei Ma, the chair of 1857 WG.

Dr. Siwei Ma presented the patent slides at the meeting. A call for potentially essential patents was made, and no potentially essential patent claims were declared, and no holders of potentially essential patents were identified. All members could ask for the IEEE official patent document from the secretariat. The IEEE copyright policy and participant behavior statement was presented then, no question raised.

Approval of the Agenda

Motion to approve the meeting agenda. (Mover: Dr. Chuanmin Jia; Second: Prof. Yiling Xu). The agenda was unanimously approved as presented without objection.

1857.11-Neural Network-Based Image Coding

1857.11 Sub-Working-Group had the 14th meeting on Dec. 15, 2023 (Chengdu & Online). The sub-working-group received and discussed 9 input contributions about reference software maintenance, core experiments, technology improvements, and crosscheck reports respectively. Two (2) contributions were adopted. The sub-working-group planned to have the 15th meeting before Dec. 29, 2023 (Online) to revisit some contributions. The sub-working-group planned to submit the Standard Draft to DCSC in Jan. 2024.

1857-Rev: Officially published on 25 Nov. 2023. Purchase link:

1857.2-Rev: Officially published on 25 Sep. 2023. Purchase link:

1858.3-Rev: The draft was approved by IEEE, and the final version is under proofreading.

Approval of of the revision process for 1857.5 (1857-52-N0001)

Motion to approve the revision process for P1857.5-revision. (Mover: Dr. Chuanmin Jia; Second: Prof. Yonghong Tian). Prof. Xiaochen Wang presented the PAR. According to the discussion in the meeting, it is decided that P1857.5 standard will enter the revision process and the PAR was unanimously approved as presented without objection. The original team will continue to be responsible for relevant work. The chair of 1857.5 is Xiaochen Wang.

The meeting minutes were written by Xiaoxu LUAN. The next meeting is tentatively scheduled at 9:00 (Beijing Time Zone, GMT +8.00) in February (Will be informed via our official website in advance). Remote attendees can request to set up a teleconference service at least one week before the meeting.

This resolution included the agenda was approved on the meeting.

The meeting closed at 12:00pm on December 16th, 2023.


Annex 1: Meeting Agenda

Annex 2: Attendance List