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arXiv · 2103.05858

Novel tile segmentation scheme for omnidirectional video

Jisheng Li·Ziyu Wen·Sihan Li·Yikai Zhao·Bichuan Guo·Jiangtao Wen
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Abstract

Regular omnidirectional video encoding technics use map projection to flatten a scene from a spherical shape into one or several 2D shapes. Common projection methods including equirectangular and cubic projection have varying levels of interpolation that create a large number of non-information-carrying pixels that lead to wasted bitrate. In this paper, we propose a tile based omnidirectional video segmentation scheme which can save up to 28% of pixel area and 20% of BD-rate averagely compared to the traditional equirectangular projection based approach.

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Jisheng Li, Ziyu Wen, Sihan Li, Yikai Zhao, Bichuan Guo, Jiangtao Wen. 2021-03-10. Novel tile segmentation scheme for omnidirectional video. https://doi.org/10.1109/icip.2016.7532381

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