HDR Perception Challenges and Measurements in Cinema Environments

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 126, No. 2, pp. 16–26
Abstract: The technical capabilities of moving picture projection are evolving. Higher dynamic range (HDR) is one of the most promising improvements to the cinema visual experience. However, various factors limit the effectiveness of technical developments. Physical limitations, such as optical diffusion and room reflectivity, have been shown to significantly affect scene contrast. Building on a previous model, this paper demonstrates a fully automatic room reflectivity measurement process. Diffusion measurement follows directly from the original model. One assumption of that model is the uniformity of reflection. This is only an approximation, and further work is necessary to assess how nonuniformity affects the perception of HDR. Therefore, a nonuniformity measurement method and simple descriptor are required and proposed. HDR image quality results should be evaluated from the point of view of cinema experience. The best course of action is to evaluate how optical diffusion, room reflectivity, and nonuniformity factors affect contrast sensitivity.
Publication Date: 2017-03-01
DOI: 10.5594/JMI.2016.2643800
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/JMI.2016.2643800
Author(s): François Helt Helt
Keyword(s): Automatic Measurement, Contrast Sensitive Function, HDR, Picture Quality, Intraimage Contrast, Nonuniformity, Optical Diffusion, Room Reflectivity, Sequential Contrast
Copyright: © 2016 SMPTE

Bibliographic Reference(s)

Proposal for Practical Screen Luminance Uniformity Measurement [Active]
Method and Good Estimators for Projection Uniformity Measurement [Active]
Modelling of Achievable Contrast and its Impact on HDR Projection in Commercial Cinema Environments [Active]
E. Sober, Ockam’s Razors - A User’s Manual, Cambridge University Press: Cambridge, U.K., 2015. EXTERNAL
SMPTE RP 431-2:2011 [Active, Stabilized]
SMPTE ST 431-1:2006 [Active, Reaffirmed]

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François Helt Helt; HDR Perception Challenges and Measurements in Cinema Environments, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 2, March 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2016.2643800

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François Helt Helt; HDR Perception Challenges and Measurements in Cinema Environments, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 2, March 2017); SMPTE, 2017. Available at https://doi.org/10.5594/JMI.2016.2643800

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<span class="citation">François Helt Helt; <cite>HDR Perception Challenges and Measurements in Cinema Environments</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 2, March 2017); SMPTE, 2017. Available at <a href="https://doi.org/10.5594/JMI.2016.2643800" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2016.2643800</a></span>

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François Helt Helt; HDR Perception Challenges and Measurements in Cinema Environments, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 2, March 2017); SMPTE, 2017
doi: 10.5594/JMI.2016.2643800
url: https://doi.org/10.5594/JMI.2016.2643800

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François Helt Helt; <cite id="bib-10-5594-jmi-2016-2643800">HDR Perception Challenges and Measurements in Cinema Environments</cite>, SMPTE Motion Imaging Journal ( Volume: 126, Issue: 2, March 2017); SMPTE, 2017
<span class="doi">10.5594/JMI.2016.2643800</span>
</li>