Opened 5 months ago

Last modified 5 months ago

#1023 new defect

Mismatch of LMCS encoder and decoder for multiple slices

Reported by: Michel0914 Owned by:
Priority: minor Milestone:
Component: VTM Version: VTM-8.0
Keywords: Cc: ksuehring, XiangLi, fbossen, jvet@…

Description

JVET-Q0346 aspect 1 was adopted to enable LMCS at slice level for multiple slices. However, current VTM software does not handle LMCS implementation correctly at the encoder side. Forward and inverse LMCS LUTs are applied on the entire picture instead of on slices. This causes the mismatch for encoder and decoder since decoder applied inverse LUT for each slice.

Change history (1)

comment:1 Changed 5 months ago by Michel0914

Merge request !1519 provides a solution to handle the mismatch issue.

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