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Mesopic visual efficiency IV: A model with relevance to night-time driving and other applications.

Goodman, T M; Forbes, A B; Walkey, H*; Eloholma, M*; Halonen, L*; Alferdinck, J*; Freiding, A*; Bodrogi, P*; Varday, G*; Szalmas, A* (2007) Mesopic visual efficiency IV: A model with relevance to night-time driving and other applications. Lighting Res. Technol., 39 (4). pp. 365-388.

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Abstract

The authors represent a research consortium which has adopted a task performance based approach for night-time driving to establish a system for photometry in the mesopic region. This article analyses the experimental investigations described in earlier articles of visual performance in the mesopic domain using reaction time, detection threshold and discrimination threshold techniques. These results are used to develop a system for mesopic photometry, which balances the quality of the fit to the experimental data with the ease of practical implementation by the lighting industry. A more complex model is also described, which takes account of the chromatic visual response channels and thus provides a better fit to some of the experimental results (particularly those involving monochromatic stimuli), but describes the totality of the data less well and is furthermore less suitable for practical photometric measurements.

Item Type: Article
Keywords: mesopic photometry, spectral luminous efficiency, spectral sensitivity, night-time driving, mesopic visual performance, reaction time, discrimination threshold, contrast threshold
Subjects: Optical Radiation and Photonics
Optical Radiation and Photonics > Materials and Appearance
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4067

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