Cognitive Structure of Ceiling Height of Interior Space

Komiyama, Atsushi; Hatsumi, Manabu

doi:10.3130/aija.61.111_3

Cited by 9 publications

(1 citation statement)

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“…There are suitable range of values of spaciousness and brightness for different rooms according to the purpose of room, users and other conditions. Spaciousness is primarily based on volume and dimensions (Uchida, 1979;Imamoglu, 1986;Komiyama and Hatsumi, 1996) but could also be affected by lighting environment, colour of surfaces and other factors (Inui et al, 1972a;Inui et al, 1972b;Inui et al, 1972c;Christoph, 2018a;Christoph, 2018b). As physical volume is usually not infinite because of available space which is restricted by cost, technology, law, maintenance plan, etc.…”

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confidence: 99%

Effects of Lighting on Perception of Spaciousness

Miyake

Yamamoto

Yamaguchi

et al. 2019

PROCEEDINGS OF the 29th Quadrennial Session of the CIE

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With different lighting, one's perception of spaciousness could be different even in the same room. From experience, the more a room is lit, the more the spaciousness seems to be. The localisation of light also seems to have an effect. This research is to examine if these hypotheses are true, and to propose a model to quantify the effect of light to spaciousness, using luminance and their three-dimensional localization. We had an experiment in a living room with different lightings, asking subjects about their perception of spaciousness compared to the reference lighting scene. It is proved that both quantity and localisation of light influence spaciousness. Luminance level is measured using HDR image processing, and the coordinate value of each pixel is measured using Radiance RTRACE command with a virtually rebuilt room.

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