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A Framework to Evaluate Omnidirectional Video Coding Schemes
Abstract
Omnidirectional videos of real world environments viewed on head-mounted displays with real-time head motion tracking can offer immersive visual experiences. For live streaming applications, compression is critical to reduce the bitrate. Omnidirectional videos, which are spherical in nature, are mapped onto one or more planes before encoding to interface with modern video coding standards. In this paper, we consider the problem of evaluating the coding efficiency in the context of viewing with a head-mounted display. We extract viewport based head motion trajectories, and compare the original and coded videos on the viewport. With this approach, we compare different sphere-to-plane mappings. We show that the average viewport quality can be approximated by a weighted spherical PSNR.
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Cited by
Saliency in VR: How Do People Explore Virtual Environments?
Sitzmann, V., Serrano, A., Pavel, A., Agrawala, M., Gutierrez, D., Masia, B., & Wetzstein, G. (2018) · IEEE Transactions on Visualization and Computer Graphics · doi:10.1109/tvcg.2018.2793599 · Cited by 459
Viewport-adaptive navigable 360-degree video delivery
Corbillon, X., Simon, G., Devlic, A., & Chakareski, J. (2017) · 2017 IEEE International Conference on Communications (ICC) · doi:10.1109/icc.2017.7996611 · Cited by 341
State-of-the-Art in 360° Video/Image Processing: Perception, Assessment and Compression
Xu, M., Li, C., Zhang, S., & Callet, P. L. (2020) · IEEE Journal of Selected Topics in Signal Processing · doi:10.1109/jstsp.2020.2966864 · Cited by 281
Blind omnidirectional image quality assessment with viewport oriented graph convolutional networks
Xu, J., Zhou, W., & Chen, Z. (2021) · IEEE Transactions on Circuits and Systems for Video Technology · doi:10.1109/tcsvt.2020.3015186 · Cited by 166
Towards subjective quality of experience assessment for omnidirectional video streaming
Schatz, R., Sackl, A., Timmerer, C., & Gardlo, B. (2017) · 2017 Ninth International Conference on Quality of Multimedia Experience (QoMEX) · doi:10.1109/qomex.2017.7965657 · Cited by 88
Metadata
- Authors
- Yu, M., Lakshman, H., & Girod, B.
- Venue
- 2015 IEEE International Symposium on Mixed and Augmented Reality
- Publisher
- IEEE
- Published
- 2015-09
- Pages
- 31-36
- OpenAlex
- W1993721485
- Cited by
- 441
- References
- 0
- FWCI
- 34.81
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Yu, M., Lakshman, H., & Girod, B. (2015). A Framework to Evaluate Omnidirectional Video Coding Schemes. 2015 IEEE International Symposium on Mixed and Augmented Reality. https://doi.org/10.1109/ismar.2015.12
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