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Communication Dans Un Congrès Année : 2024

Volumetric Video Compression Through Neural-based Representation

Résumé

Volumetric video offers immersive exploration and interaction in 3D space, revolutionizing visual storytelling. Recently, Neural Radiance Fields (NeRF) have emerged as a powerful neural-based technique for generating high-fidelity images from 3D scenes. Building upon NeRF advancements, recent works have explored NeRF-based compression for static 3D scenes, in particular point cloud geometry. In this paper, we propose an end-to-end pipeline for volumetric video compression using neural-based representation. We represent 3D dynamic content as a sequence of NeRFs, converting the explicit representation to neural representation. Building on the insight of significant similarity between successive NeRFs, we propose to benefit from this temporal coherence: we encode the differences between consecutive NeRFs, achieving substantial bitrate reduction without noticeable quality loss. Experimental results demonstrate the superiority of our method for dynamic point cloud compression over geometry-based PCC codecs and comparable performance with state-of-the-art PCC codecs for high-bitrate volumetric videos. Moreover, our proposed compression based on NeRF generalizes to arbitrary dynamic 3D content.
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Dates et versions

hal-04550588 , version 1 (17-04-2024)

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Yuang Shi, Ruoyu Zhao, Simone Gasparini, Géraldine Morin, Wei Tsang Ooi. Volumetric Video Compression Through Neural-based Representation. 16th International Workshop on Immersive Mixed and Virtual Environment Systems @ ACM Multimedia Systems Conference (MMSys 2024), ACM, Apr 2024, Bari, Italy. pp.85-91, ⟨10.1145/3652212.3652220⟩. ⟨hal-04550588⟩
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