A Parra Pozo

B Luo

B Mildenhall

C Schroers

P Hedman

R Anderson

R Szeliski

RS Overbeck

S Peleg

T Bertel

T Zhou

English

Creation and delivery of “RealVR” experiences essentially consists of the following four main steps: capture, processing, representation and rendering. In this chapter, we present, compare, and discuss two recent end-to-end approaches, Parallax360 by Luo et al. [9] and MegaParallax by Bertel et al. [3]. Both propose complete pipelines for RealVR content generation and novel-view synthesis with head-motion parallax for 360° environments.Parallax360 uses a robotic arm for capturing thousands of input views on the surface of a sphere. Based on precomputed disparity motion fields and pairwise optical flow, novel viewpoints are synthesized on the fly using flow-based blending of the nearest two to three input views which provides compelling head-motion parallax.MegaParallax proposes a pipeline for RealVR content generation and rendering that emphasizes casual, hand-held capturing. The approach introduces view-dependent flow-based blending to enable novel-view synthesis with head-motion parallax within a viewing area determined by the field of view of the input cameras and the capturing radius.We describe both methods and discuss their similarities and differences in corresponding steps in the RealVR pipeline and show selected results. The chapter ends by discussing advantages and disadvantages as well as outlining the most important limitations and future work.This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 66599

Bertel, Tobias

Xu, Feng

Richardt, Christian

OPUS

Image-Based Scene Representations for Head-Motion Parallax in 360° Panoramas

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https://purehost.bath.ac.uk/ws/files/204635551/360IBR_BertelEtAl_RealVR2020.pdf

Image-Based Scene Representations for Head-Motion Parallax in 360° Panoramas

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