Using self-similarity compensation for improving inter-layer prediction in scalable 3D holoscopic video coding

Caroline Conti; Paulo Nunes; Luís Ducla Soares

doi:10.1117/12.2025697

26 September 2013 Using self-similarity compensation for improving inter-layer prediction in scalable 3D holoscopic video coding

Caroline Conti, Paulo Nunes, Luís Ducla Soares

Author Affiliations +

Proceedings Volume 8856, Applications of Digital Image Processing XXXVI; 88561K (2013) https://doi.org/10.1117/12.2025697
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Holoscopic imaging, also known as integral imaging, has been recently attracting the attention of the research community, as a promising glassless 3D technology due to its ability to create a more realistic depth illusion than the current stereoscopic or multiview solutions. However, in order to gradually introduce this technology into the consumer market and to efficiently deliver 3D holoscopic content to end-users, backward compatibility with legacy displays is essential. Consequently, to enable 3D holoscopic content to be delivered and presented on legacy displays, a display scalable 3D holoscopic coding approach is required. Hence, this paper presents a display scalable architecture for 3D holoscopic video coding with a three-layer approach, where each layer represents a different level of display scalability: Layer 0 - a single 2D view; Layer 1 - 3D stereo or multiview; and Layer 2 - the full 3D holoscopic content. In this context, a prediction method is proposed, which combines inter-layer prediction, aiming to exploit the existing redundancy between the multiview and the 3D holoscopic layers, with self-similarity compensated prediction (previously proposed by the authors for non-scalable 3D holoscopic video coding), aiming to exploit the spatial redundancy inherent to the 3D holoscopic enhancement layer. Experimental results show that the proposed combined prediction can improve significantly the rate-distortion performance of scalable 3D holoscopic video coding with respect to the authors’ previously proposed solutions, where only inter-layer or only self-similarity prediction is used.

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Caroline Conti, Paulo Nunes, and Luís Ducla Soares "Using self-similarity compensation for improving inter-layer prediction in scalable 3D holoscopic video coding", Proc. SPIE 8856, Applications of Digital Image Processing XXXVI, 88561K (26 September 2013); https://doi.org/10.1117/12.2025697

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