Tactile colour pictogram to improve artwork appreciation of people with visual impairments

A recent development in tactile technology enables an improvement in the appreciation of the visual arts for people with visual impairment (PVI). The tactile sense, in conjunction with, or a possibly as an alternative to, the auditory sense, would allow PVIs to approach artwork in a more self‐driven...

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Veröffentlicht in:Color research and application 2021-02, Vol.46 (1), p.103-116
Hauptverfasser: Cho, Jun Dong, Quero, Luis Cavazos, Bartolomé, Jorge Iranzo, Lee, Do Won, Oh, Uran, Lee, Inae
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container_end_page 116
container_issue 1
container_start_page 103
container_title Color research and application
container_volume 46
creator Cho, Jun Dong
Quero, Luis Cavazos
Bartolomé, Jorge Iranzo
Lee, Do Won
Oh, Uran
Lee, Inae
description A recent development in tactile technology enables an improvement in the appreciation of the visual arts for people with visual impairment (PVI). The tactile sense, in conjunction with, or a possibly as an alternative to, the auditory sense, would allow PVIs to approach artwork in a more self‐driven and engaging way that would be difficult to achieve with just an auditory stimulus. Tactile colour pictograms (TCPs), which are raised geometric patterns, are ideographic characters that are designed to enable PVIs to identify colours and interpret information by touch. In this article, three TCPs are introduced to code colours in the Munsell colour system. Each colour pattern consists of a basic cell size of 10 mm × 10 mm to represent the patterns consistently in terms of regular shape. Each TCP consists of basic geometric patterns that are combined to create primary, secondary, and tertiary colour pictograms of shapes indicating colour hue, intensity and lightness. Each TCP represents 29 colours including six hues; they were then further expanded to represent 53 colours. Two of them did not increase the cell size, the other increased the cell size 1.5 times for some colours, such as yellow‐orange, yellow, blue, and blue‐purple. Our proposed TCPs use a slightly larger cell size compared to most tactile patterns currently used to indicate colour, but code for more colours. With user experience and identification tests, conducted with 23 visually impaired adults, the effectiveness of the TCPs suggests that they were helpful for the participants.
doi_str_mv 10.1002/col.22567
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source Wiley Journals
subjects accessibility
art appreciation
Blindness
Color
pictogram
Pictographs
tactile colour pattern
Touch
user experience
Visual impairment
visually impaired
title Tactile colour pictogram to improve artwork appreciation of people with visual impairments
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