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Tuesday, May 28, 2024

ETC Publishes Specification for Naming VFX Image Sequences

The Entertainment Technology Center (ETC@USC) VFX Working Group has published a specification for best practices naming image sequences such as plates and comps. File naming is an essential tool for organising the multitude of frames that are inputs and outputs from the VFX process. Prior to the publication of this specification, each organisation had its own naming scheme, requiring custom processes for each partner, which often resulted in confusion and miscommunication. ETC’s specification, which aims to standardise the process for media production, is available online for anyone to use.

The new specification focuses primarily on sequences of individual images. The initial use case was VFX plates, typically delivered as OpenEXR or DPX files. However, the team soon realised that the same naming conventions can apply to virtually any image sequence. Consequently, the specification was written to handle a wide array of assets and use cases.

To ensure all requirements are represented, the Working Group included over two dozen participants representing studios, VFX houses, tool creators, creatives and others. The ETC@USC also worked closely with MovieLabs to ensure that the specification could be integrated as part of their 2030 Vision for the future of media creation technology.

A key design criteria for this specification is compatibility with existing practices. Chair of the VFX Working Group, Horst Sarubin of Universal Pictures, said, “Our studio is committed to being at the forefront of designing best industry practices to modernise and simplify workflows, and we believe this white paper succeeded in building a new foundation for tools to transfer files in the most efficient manner.”

This specification is compatible with other initiatives such as the Visual Effects Society (VES) Transfer Specifications. “We wanted to make it as seamless as possible for everyone to adopt this specification,” said ETC@USC’s Erik Weaver, co-chair of the VFX Working Group. “To ensure all perspectives were represented we created a team of industry experts familiar with the handling of these materials and collaborated with a number of industry groups.”

“Collaboration between MovieLabs and important industry groups like the ETC is critical to implementing the 2030 Vision,” said Craig Seidel, SVP of MovieLabs. “This specification is a key step in defining the foundations for better software-defined workflows. We look forward to continued partnership with the ETC on implementing other critical elements of the 2030 Vision.”

For more information, visit the white paper: VFX Image Sequence Naming.


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