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  4. Toward the Impact of Video Luminance on the Energy Consumption of OLED TVs and Viewer Perception
 
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April 30, 2025
Conference Paper
Title

Toward the Impact of Video Luminance on the Energy Consumption of OLED TVs and Viewer Perception

Abstract
Video streaming services have become integral to modern digital experiences, yet they present a challenge in balancing perceptual quality with energy efficiency. The climate crisis has underscored the environmental effects of information and communication technologies (ICT), emphasizing the necessity for eco-friendly solutions to minimize ICT's carbon emissions. With video streaming leading Internet traffic, research in this area is more crucial than ever. This paper presents a study on the impact of luminance changes in video streaming on the perceptual quality experienced by end users and the associated energy consumption. Various levels of luminance reduction are investigated in different video bitrates and video characteristics. We also conducted a subjective test with 28 participants to understand how much the video's luminance can be reduced without degrading the visual quality. The results show the tradeoff between visual quality and energy efficiency in video luminance reduction. We found that the optimized level of luminance reduction depends on the video content. Some specific videos can be reduced by 10% of luminance to save up to 14% of energy consumption while maintaining an acceptable visual quality. Some other videos should be reduced by only 4%.
Author(s)
Nguyen, Minh  orcid-logo
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Koch, Raphael
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Güclü, Görkem
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Lasak, Martin
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Seeliger, Robert  orcid-logo
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Arbanowski, Stefan  
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Steglich, Stephan  
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Mainwork
IEEE Green Technologies Conference, GreenTech 2025  
Conference
Green Technologies Conference 2025  
DOI
10.1109/GreenTech62170.2025.10977708
Language
English
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS  
Keyword(s)
  • Visualization

  • Energy consumption

  • TV

  • Green products

  • Streaming media

  • Organic light emitting diodes

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