JVET-AL2025 Algorithm description of Enhanced Compression Model 17 (ECM 17) [M. Coban, R.-L. Liao, K. Naser, J. Ström, L. Zhang] (2025-06-15)

New elements from notes elsewhere in this report:

Partitioning

• Decision: Adopt JVET-AL0143 test 1.1.c

Intra prediction

• Decision: Adopt JVET-AL0206 test 2.9
• Decision: Adopt JVET-AL0191 test 2.2d
• Decision: Adopt JVET-AL0126 test 2.3
• Decision: Adopt JVET-AL0188 test 2.5
• Decision: Adopt JVET-AL0125 Test 2.6c
• Decision: Adopt JVET-AL0108 Test 2.7

Inter prediction

• Decision: Adopt JVET-AL0160 test 3.1
• Decision: Adopt JVET-AL0157 test 3.3e
• Decision: Adopt JVET-AL0134 test 3.4a
• Decision: Adopt JVET-AL0079 test 3.5
• Decision: Adopt JVET-AL0214 test 3.6
• Decision: Adopt JVET-AL0161 test 3.7b
• Decision: Adopt JVET-AL0162 test 3.8a
• Decision: Adopt JVET-AL0081 test 3.9

Transform and coefficient coding

• Decision: Adopt JVET-AL0181 test 4.1
• Decision: Adopt JVET-AL0215 test 4.4c

In-loop filtering

• Decision: Adopt JVET-AL0153 test 5.1
• Decision: Adopt JVET-AL0142 test 5.2
• Decision: Adopt JVET-AL0135 test 5.3b
• Decision: Adopt JVET-AL0182 (TALF reference picture extensions)
• Decision(SW): Adopt JVET-AL0228 (NNLF interface) to ECM. Shall be disabled by default (via macro, or establishing a separate branch). Also include description of interface in JVET-AL2025.

It is noted that the list above may not be complete; if some adoption is missing that is recorded somewhere else in the meeting notes it shall also be considered included.