JVET-AM0112 AHG9: On AI usage restrictions SEI message [M. Pettersson, R. Sjöberg, M. Damghanian (Ericsson)]

Chaired by S. Deshpande on 27 June 2025 during 10:00-11:00

The following changes are proposed to the AI usage restrictions SEI message in VSEI v4:

1. Add a value range for ue(v)-coded aur_num_restrictions_minus1 from 0 to 255.

Decision: agreed

1. Add a restriction that the value of each aur_restriction[ i ] shall be unique.

Decision: agreed

Add text that if aur_restriction[ i ] is in the range of 4 to 255 not only aur_restriction[ i ] shall be ignored but also aur_context[ i ], if present.proposal 1 of JVET-AM0117. See notes there.

1. Remove the text “when the value of aur_context[ i ] is greater than 15, decoders conforming to this version of this document shall ignore aur_context[ i ]” and add a note saying that “Decoders conforming to this version of this document should only use the four least significant bits of aur_context[ i ] and ignore bits of higher significance”.

Related to proposal 2 of JVET-AM0117. See notes there.

JVET-AM0112 AHG9: On AI usage restrictions SEI message