Open Access

ARTICLE

Suitability of VVC and HEVC for Video Telehealth Systems

by Muhammad Arslan Usman^1,4,*, Muhammad Rehan Usman², Rizwan Ali Naqvi³, Bernie Mcphilips⁴, Christopher Romeika⁴, Daniel Cunliffe⁴, Christos Politis¹, Nada Philip¹

1 Faculty of Science, Engineering and Computing, Kingston University, London, KT1 2EE, UK
2 School of Electrical Engineering, Superior University, Lahore, Pakistan
3 Department of Unmanned Vehicle Engineering, Sejong University, Seoul, 05006, Korea
4 Pangea Connected Ltd., London, KT1 1BL, UK

* Corresponding Author: Muhammad Arslan Usman. Email:

Computers, Materials & Continua 2021, 67(1), 529-547. https://doi.org/10.32604/cmc.2021.014614

Received 03 October 2020; Accepted 01 November 2020; Issue published 12 January 2021

Abstract

Video compression in medical video streaming is one of the key technologies associated with mobile healthcare. Seamless delivery of medical video streams over a resource constrained network emphasizes the need of a video codec that requires minimum bitrates and maintains high perceptual quality. This paper presents a comparative study between High Efficiency Video Coding (HEVC) and its potential successor Versatile Video Coding (VVC) in the context of healthcare. A large-scale subjective experiment comprising of twenty-four non-expert participants is presented for eight different test conditions in Full High Definition (FHD) videos. The presented analysis highlights the impact of compression artefacts on the perceptual quality of HEVC and VVC processed videos. Our results and findings show that VVC clearly outperforms HEVC in terms of achieving higher compression, while maintaining high quality in FHD videos. VVC requires upto 40% less bitrate for encoding an FHD video at excellent perceptual quality. We have provided rate-quality curves for both encoders and a degree of overlap across both codecs in terms of perceptual quality. Overall, there is a 71% degree of overlap in terms of quality between VVC and HEVC compressed videos for eight different test conditions.

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