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19 September 2017 Display of high dynamic range images under varying viewing conditions
Tim Borer
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Recent demonstrations of high dynamic range (HDR) television have shown that superb images are possible. With the emergence of an HDR television production standard (ITU-R Recommendation BT.2100) last year, HDR television production is poised to take off. However research to date has focused principally on HDR image display only under “dark” viewing conditions. HDR television will need to be displayed at varying brightness and under varying illumination (for example to view sport in daytime or on mobile devices). We know, from common practice with conventional TV, that the rendering intent (gamma) should change under brighter conditions, although this is poorly quantified. For HDR the need to render images under varying conditions is all the more acute. This paper seeks to explore the issues surrounding image display under varying conditions. It also describes how visual adaptation is affected by display brightness, surround illumination, screen size and viewing distance. Existing experimental results are presented and extended to try to quantify these effects. Using the experimental results it is described how HDR images may be displayed so that they are perceptually equivalent under different viewing conditions. A new interpretation of the experimental results is reported, yielding a new, luminance invariant model for the appropriate display “gamma”. In this way the consistency of HDR image reproduction should be improved, thereby better maintaining “creative intent” in television.
Conference Presentation
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tim Borer "Display of high dynamic range images under varying viewing conditions", Proc. SPIE 10396, Applications of Digital Image Processing XL, 103960H (19 September 2017);

Cited by 2 scholarly publications.
High dynamic range imaging


Image display

Image processing

Mobile devices

Video processing



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