Auxiliary Image Sequences in IMF

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2019, No. 10, pp. 1–10
Abstract: This paper describes an auxiliary image sequence plug-in that enhances SMPTE ST 2067, SMPTE TSP 2121 suit of documents to enable compositing workflows through the use of the Interoperable Master Format (IMF). — The component-based nature of IMF allows multiple versions of a programme to be created, managed and distributed more efficiently. However, it is currently limited to a single concurrent video track in any composition; a restriction which limits certain use cases that could otherwise realise the benefit of IMF's full capabilities. — Our primary use case for the auxiliary image sequence is the management of sign-interpreted programming. This currently necessitates the creation of a new full-length master for each version created. Instead it is proposed that the video of the sign interpreter will be stored as a separate component. This will allow the implementer to be composited with the main programme when required. — A working prototype of a simple compositing processes has been developed by the DPP in partnership with its member companies. Opportunities for more complex and dynamic compositing via Output Profile List (OPL) and time-variant metadata are also discussed in the paper, along with other use-cases for the functionality described. — The plug-in described in this paper will provide benefit to the implementer throughout the IMF lifecycle by enabling storage, editing, re-positioning and processing of the auxiliary image sequence before compositing.
Publication Date: 2019-10-21
DOI: 10.5594/M001880
Link: https://doi.org/10.5594/M001880
Author(s): Gillian RestonDPP, 4th Floor, 200 Grays Inn Road, London WC1X 8HF
Ulrich du BosqueDPP, 4th Floor, 200 Grays Inn Road, London WC1X 8HF
Rowan de PomeraiDPP, 4th Floor, 200 Grays Inn Road, London WC1X 8HF
Dan TatutMarquise technologies, 4th Floor, 200 Grays Inn Road, London WC1X 8HF
Tim DavisITV, 4th Floor, 200 Grays Inn Road, London WC1X 8HF
Andrew DunneBBC Studios, 1 Television Centre, 101 Wood Lane, London W12 7FA
Keyword(s): IMF, Signed Services, Hard Of Hearing, Accessibility, Virtual Track, Multilayered, Plug-in, Auxiliary Sequence, Composition, Sign Language, Static Compositing, Dynamic Compositing
Copyright: © 2019 Society of Motion Picture and Television Engineers, Inc.

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Gillian Reston, Ulrich du Bosque, Rowan de Pomerai, Dan Tatut, Tim Davis, and Andrew Dunne; Auxiliary Image Sequences in IMF, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at https://doi.org/10.5594/M001880

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Gillian Reston, Ulrich du Bosque, Rowan de Pomerai, Dan Tatut, Tim Davis, and Andrew Dunne; Auxiliary Image Sequences in IMF, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at https://doi.org/10.5594/M001880

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<span class="citation">Gillian Reston, Ulrich du Bosque, Rowan de Pomerai, Dan Tatut, Tim Davis, and Andrew Dunne; <cite>Auxiliary Image Sequences in IMF</cite>, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019. Available at <a href="https://doi.org/10.5594/M001880" target="_blank" rel="noopener">https://doi.org/10.5594/M001880</a></span>

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<li>
Gillian Reston, Ulrich du Bosque, Rowan de Pomerai, Dan Tatut, Tim Davis, and Andrew Dunne; <cite id="bib-10-5594-m001880">Auxiliary Image Sequences in IMF</cite>, SMPTE Meetings and Conferences ( October 2019); SMPTE, 2019
<span class="doi">10.5594/M001880</span>
</li>