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Influence of high ambient illuminance and display luminance on readability and subjective preference
NTNU, Trondheim, Norway.
Acreo Swedish ICTAB, Kista, Sweden.
Acreo Swedish ICTAB, Kista, Sweden.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information and Communication systems. Acreo Swedish ICTAB, Kista, Sweden. (Realistic3D)ORCID iD: 0000-0001-5060-9402
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2015 (English)In: Proceedings of SPIE - The International Society for Optical Engineering / [ed] Rogowitz, B., Pappas, T. N., and de Ridder, H., Bellingham, WA, USA: SPIE - International Society for Optical Engineering, 2015, Vol. 9394, Art. no. 93941E- p.Conference paper, Published paper (Refereed)
Abstract [en]

Many devices, such as tablets, smartphones, notebooks, fixed and portable navigation systems are used on a (nearly) daily basis, both in in- and outdoor environments. It is often argued that contextual factors, such as the ambient illuminance in relation to characteristics of the display (e.g., surface treatment, screen reflectance, display luminance...) may have a strong influence on the use of such devices and corresponding user experiences. However, the current understanding of these influence factors is still rather limited. In this work, we therefore focus in particular on the impact of lighting and display luminance on readability, visual performance, subjective experience and preference. A controlled lab study (N=18) with a within-subjects design was performed to evaluate two car displays (one glossy and one matte display) in conditions that simulate bright outdoor lighting conditions. Four ambient luminance levels and three display luminance settings were combined into 7 experimental conditions. More concretely, we investigated for each display: (1) whether and how readability and visual performance varied with the different combinations of ambient luminance and display luminance and (2) whether and how they influenced the subjective experience (through self-reported valence, annoyance, visual fatigue) and preference. The results indicate a limited, yet negative influence of increased ambient luminance and reduced contrast on visual performance and readability for both displays. Similarly, we found that the self-reported valence decreases and annoyance and visual fatigue increase as the contrast ratio decreases and ambient luminance increases. Overall, the impact is clearer for the matte display than for the glossy display.

Place, publisher, year, edition, pages
Bellingham, WA, USA: SPIE - International Society for Optical Engineering, 2015. Vol. 9394, Art. no. 93941E- p.
Keyword [en]
Ambient luminance, Display luminance, Display readability, Reflectance, Subjective study, Visual acuity, Visual fatigue, Visual performance
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:miun:diva-24535DOI: 10.1117/12.2078380ISI: 000354081600043Scopus ID: 2-s2.0-84928473548Local ID: STCISBN: 978-162841484-4 (print)OAI: oai:DiVA.org:miun-24535DiVA: diva2:794427
Conference
Human Vision and Electronic Imaging XX; San Francisco; United States; 9 February 2015 through 12 February 2015; Code 111963
Available from: 2015-03-11 Created: 2015-03-11 Last updated: 2016-12-23Bibliographically approved

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CiteExportLink to record
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Citation style
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