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MV-HEVC: How to optimize compression of immersive 3D content

Published: 14 March 2024 Publication History

Abstract

Multiview High Efficiency Video Coding (MV-HEVC) is an HEVC extension focused on efficiently coding spatially related images, such as a left eye and right eye views of 3D stereoscopic content. MV-HEVC was released in the second version of HEVC back in October 2014 [2]. MV-HEVC was created alongside another extension named SHVC, which is already used in ATSC 3.0 use cases since 2018 [1]. The two extensions share many fundamentals, codified in an annex for common specifications for multi-layer extensions. Their base principle is scalability: A traditional HEVC decoder can rely on the base layer only, hence providing backward compatibility, but a more elaborate decoder can use the second layer as well to improve the rendition.
The MV-HEVC format recently gained widespread attention with Apple announcing support for 3D movies on the Apple Vision Pro at WWDC23 [9][8]. Apple provided public guidelines on stereo video encoding [3], packaging [5], and streaming [4] as well as on providing parallax information to improve caption placement [6]. Apple also organized Apple Vision Pro developer labs [7].
This presentation will describe the MV-HEVC standard and how it works in theory. An implementation of MV-HEVC [10] will also be studied to assess performance in practice in industrial settings. Deployment aspects such as packaging and captioning will be discussed. Finally, 3D-specific optimization strategies will be analyzed, including software architecture and rate control.

References

[1]
2018. Convergence TV Project Demonstrates World First SHVC at NAB 2018. (2018). https://www.ateme.com/press/the-convergence-tv-project-demonstrates-world-first-shvc-based-hd-uhd-hybrid-delivery-at-nab-2018/
[2]
2021. Recommendation ITU-T H.265 | International Standard ISO/IEC 23008-2. (2021). http://handle.itu.int/11.1002/1000/12296|https://www.iso.org/standard/67660.html
[3]
2023. Apple HEVC Stereo Video Profile. (2023). https://developer.apple.com/av-foundation/HEVC-Stereo-Video-Profile.pdf
[4]
2023. Apple HLS authoring specifications for Apple devices, Stereo Video. (2023). https://developer.apple.com/documentation/http-live-streaming/hls-authoring-specification-for-apple-devices#Stereo-Video
[5]
2023. Apple Stereo Video ISOBMFF Extensions. (2023). https://developer.apple.com/av-foundation/Stereo-Video-ISOBMFF-Extensions pdf
[6]
2023. Apple Video Contour Map Metadata. (2023). https://developer.apple.com/av-foundation/Video-Contour-Map-Metadata.pdf
[7]
2023. Apple Vision Pro developer labs. (2023). https://developer.apple.com/visionos/labs/
[8]
2023. Apple WWDC23, Deliver video content for spatial experiences. (2023). https://developer.apple.com/videos/play/wwdc2023/10071/?time=405
[9]
2023. Apple WWDC23, Keynote. (2023). https://developer.apple.com/videos/play/wwdc2023/101/?time=5886
[10]
2023. Ateme announces MV-HEVC support at IBC 2023. (2023). https://www.ateme.com/press/ateme-introduces-its-next-generation-video-compression/

Cited By

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  • (2024)A First Look at Apple’s Stereoscopic Video and its Potential in Live Video Streaming for XR HeadsetsProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3697437(1617-1619)Online publication date: 4-Dec-2024

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cover image ACM Conferences
MHV '24: Proceedings of the 3rd Mile-High Video Conference
February 2024
150 pages
ISBN:9798400704932
DOI:10.1145/3638036
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Published: 14 March 2024

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Author Tags

  1. Apple Vision Pro
  2. HEVC
  3. MV-HEVC
  4. Stereoscopic video
  5. multi-view
  6. stereo 3D

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MHV '24
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MHV '24: Mile-High Video Conference
February 11 - 14, 2024
CO, Denver, USA

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February 18 - 20, 2025
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View all
  • (2024)A First Look at Apple’s Stereoscopic Video and its Potential in Live Video Streaming for XR HeadsetsProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3697437(1617-1619)Online publication date: 4-Dec-2024

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