ACES Implementation Technical Advisory Council Meeting - Thursday, May 20, 2021 ACESCentral.com
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ACES Implementation
Technical Advisory Council Meeting
Thursday, May 20, 2021
\ ACESCentral.com \Agenda Call for new business or additional agenda items ACES 1.3 and the road to ACES 2.0 Working Group Strategic Discussion– Issues/action items/blockers/successes - Gamut Compression Implementation Working Group - AMF implementation Working Group - CLF implementation Working Group - IDT implementation Working Group Discussion of how to push for ACES 1.3 implementation in products TAC members in the community TAC process check-in (feedback on details described in prep materials sent to TAC)
Expected outcomes TAC is updated on progress of ACES 1.3 and 2.0 development TAC is updated on process changes TAC provides feedback on topics including: - Working Groups issues/action items/blockers/successes - Use or issues with ACES in their ‘network’
ACES 1.3 and the road to ACES 2.0
ACES 1.3 and the road to ACES 2.0 ACES 1.3 - Gamut mapping Algorithm - Release candidate 1 - March 1, 2021 - COMPLETE! - Release candidate 2 - April 1, 2021- COMPLETE! - Final Release - April 30, 2021- COMPLETE! ACES 1.3 is now available for manufacturers to integrate into their products
ACES 1.3 and the road to ACES 2.0
ACES 2.0 - Late 2021 / Early 2022
- Key Working Groups
- Output Transforms - On Target-ish ... lots of hard questions
- IDT Implementation - On TargetACES 1.3 and the road to ACES 2.0
Additional Documentation and Toolsets
- ACES 1.3 timeframe
- AMF user guide and tools - On Target
- CLF user guide and tools - On Target
- IDT exposure guidelines and reference implementation - On Target
- Gamut Mapping user guide and implementation recommendations - On TargetACES 1.3 and the road to ACES 2.0
Additional Documentation and Toolsets
- ACES 2.0 timeframe
- Output Transforms Documentation - In Progress
- Compression best practices - Starting soon ... stillACES 1.3 and the road to ACES 2.0
Discussion & QuestionsWorking Group Strategic Discussion– Issues/action items/blockers/successes
Gamut Mapping Implementation
Working Group
Co-Chairs : Carol Payne (Net ix) & Matthias Scharfenberg (ILM)
flProgress
The implementation group is up and running since the last TAC! We have had seven
meetings so far with great attendance from a range of developers, users, and folks who
were a part of the Architecture group. It has been great to have new faces, and to spend the
rst block of meetings revisiting key decisions made in architecture.
A key point to bring up is the decision to have the of cial ACES implementation of the
Gamut Compression Operator be xed - exactly as the CTL currently speci ed. We will
tackle this rst, and then possibly circle back to the discussion of parameterization, most likely
per-application and not within the ACES framework.
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fiCurrent Focus Current focus is on implementation in OpenColorIO. Goal is to have it implemented soon (v2 only) so that it will be a part of the OCIO 2.1 release which will be in VFX Reference Platform 2022. We are making good progress here, and already have several volunteers from the OCIO community willing to integrate the feature.
Future Focus Other primary applications we are looking to integrate: Resolve, Baselight, Livegrade, Colorfront. Goal is to have at least one application from each pipeline discipline implemented, so that theoretically, using these tools, you could run a full end to end production utilizing the Gamut Compression operator as needed.
Gamut Mapping Implementation Working Group
Discussion & QuestionsAMF Implementation Working Group Chair: Dan Tatut (Marquise Technologies)
Group Progress Status Update – Complete
Description Start Date Status
Completed
Phase 1 Initial work on ALE/EDL speci cation November 2019
May 2020
First tests & Interop with Completed
Phase 2 June 2020
external IDTs and LMTs (CLF) September 2020
Completed
Phase 3 New additions to AMF Speci cation September 2020
February 2021
AMF Handbook Draft 1 Completed
Phase 4 March 2021
& Second tests preparation May 2021
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fiGroup Progress Status Update – Planned
Description Timeframe Status
Industry work ow test materials shoot
Phase 5 May 2021– June 2021 In-Progress
(In coordination with IDT and CLF groups)
AMF Handbook v2
Phase 6 Industry work ow test materials shoot report June – July 2021 Planned
Sharing knowledge (including IDT & CLF groups)
Phase 7 AMF Archived Pipeline work ows August – December Planned
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flAMF Implementation Working Group
Discussion & QuestionsCLF Implementation Working Group Chair: Doug Walker (Autodesk)
Deliverables in progress
Test CLFs
Test target and processed reference images
Implementation Guide
All items are nearing completionRecent topics of discussion
Handling of In nity and NaN oating-point values
What should be the range of values in the test target?
Minor correction in spec (Description is clari ed as being optional)
Should tolerances be mandatory?
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fiCLF Implementation Working Group
Discussion & QuestionsIDT Implementation Working Group Chair: Josh Pines (Technicolor)
Review of stated goals
Provide standard procedure for camera manufactures to follow in creating IDT's.
- separate strategies for professional cameras vs. 'black box' cameras.
Provide a simple checklist to aid in real-world photography sessions
- for both creating and/or vetting IDT’s for a speci c camera.
Provide a reference implementation of the math steps involved.
fiTesting
Although we have some of the above ready to test,
much of this work has been 'ivory tower' research
– now we need to try them out with real cameras
shooting in real world conditions, which has been
dif cult to coordinate over the past year
initial mini-tests have been attempted (what could
possibly go wrong?) and have provided useful info
to add to the checklist (speci cally mistakes to
avoid!)
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fiTesting
Industry work ow test materials shoot (aka AMF shoot, aka 'Francesco' shoot)
A controlled shoot of charts involving multiple cameras is happening *as we speak*.
This shoot should provide us with material for the following:
- Allow us to vet several professional cameras IDT's against a real world test
- Both linearization and IDT matrix reference implementation
- Produce real data for some 'black box' cameras
- Re ne the IDT real-world shoot "checklist" based on experience with this shoot
We will have a ton of images and data to sort through rst, and we’ll have to gure out a good ef cient way of
sharing these among the working group.
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fiIDT Implementation Working Group
Discussion & QuestionsDiscussion of how to push for ACES 1.3 implementation in products
ACES 1.3 implementation in products How best to encourage implementation of ACES 1.3? ACES 2.0 Logo Program Plan in development - Product Partner Program - Facilities Program - Others? Working towards a cohesive plan ... Thought ... Should aspects of PP program be under Implementation TAC?
TAC members in the community
TAC members in the community Discussion points ... - Is ACES a topic in your world? - Be an advocate for ACES - Let us know how things are going in your sphere - Keep your ear to the ground - Encourage adoption or help us understand why adoption isn't feasible
TAC members in the community Discussion & Questions
TAC process check-in
TAC process check-in
Trying to improve communications ... work in progress
Getting more materials to the TAC in advance of meetings
Would love the communications to ow both directions ... let us know what you think
TAC member (private) discussion area on ACESCentral.com
Open to your ideas to support mission of the TAC and the ACES project
flTAC process check-in Discussion & Questions
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