Multiview video codec based on KTA techniques

Jungdong Seo; Donghyun Kim; Seungchul Ryu; Kwanghoon Sohn

doi:10.1117/12.876621

15 February 2011 Multiview video codec based on KTA techniques

Jungdong Seo, Donghyun Kim, Seungchul Ryu, Kwanghoon Sohn

Proceedings Volume 7863, Stereoscopic Displays and Applications XXII; 786328 (2011) https://doi.org/10.1117/12.876621
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

Multi-view video coding (MVC) is a video coding standard developed by MPEG and VCEG for multi-view video. It showed average PSNR gain of 1.5dB compared with view-independent coding by H.264/AVC. However, because resolutions of multi-view video are getting higher for more realistic 3D effect, high performance video codec is needed. MVC adopted hierarchical B-picture structure and inter-view prediction as core techniques. The hierarchical B-picture structure removes the temporal redundancy, and the inter-view prediction reduces the inter-view redundancy by compensated prediction from the reconstructed neighboring views. Nevertheless, MVC has inherent limitation in coding efficiency, because it is based on H.264/AVC. To overcome the limit, an enhanced video codec for multi-view video based on Key Technology Area (KTA) is proposed. KTA is a high efficiency video codec by Video Coding Expert Group (VCEG), and it was carried out for coding efficiency beyond H.264/AVC. The KTA software showed better coding gain than H.264/AVC by using additional coding techniques. The techniques and the inter-view prediction are implemented into the proposed codec, which showed high coding gain compared with the view-independent coding result by KTA. The results presents that the inter-view prediction can achieve higher efficiency in a multi-view video codec based on a high performance video codec such as HEVC.

Citation Download Citation

Jungdong Seo, Donghyun Kim, Seungchul Ryu, and Kwanghoon Sohn "Multiview video codec based on KTA techniques", Proc. SPIE 7863, Stereoscopic Displays and Applications XXII, 786328 (15 February 2011); https://doi.org/10.1117/12.876621

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