Nested polygonal chain mapping of omnidirectional video

Kammachi-Sreedhar, Kashyap; Hannuksela, Miska M.

doi:10.1109/icip.2017.8296666

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Projection and Tiling1

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2021

2024

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Cited by 2 publications

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“…The octagonal projection [33] does the same with a rough latitude quantization, resulting in its namesake shape. Nested Polygonal Chain Mapping (NPCM) is another downsampling technique [34], which starts from the ERP output and linearly approximates the optimal sampling density.…”

Section: Projection and Tilingmentioning

confidence: 99%

A Survey on 360-Degree Video: Coding, Quality of Experience and Streaming

Chiariotti¹

2021

Preprint

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The commercialization of Virtual Reality (VR) headsets has made immersive and 360 • video streaming the subject of intense interest in the industry and research communities. While the basic principles of video streaming are the same, immersive video presents a set of specific challenges that need to be addressed. In this survey, we present the latest developments in the relevant literature on four of the most important ones: (i) omnidirectional video coding and compression, (ii) subjective and objective Quality of Experience (QoE) and the factors that can affect it, (iii) saliency measurement and Field of View (FoV) prediction, and (iv) the adaptive streaming of immersive 360 • videos.The final objective of the survey is to provide an overview of the research on all the elements of an immersive video streaming system, giving the reader an understanding of their interplay and performance.

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Section: Projection and Tilingmentioning

confidence: 99%