ColorWatch: Color Perceptual Spatial Tactile Interface for People with Visual Impairments

Abstract

Tactile perception enables people with visual impairments (PVI) to engage with artworks and real-life objects at a deeper abstraction level. The development of tactile and multi-sensory assistive technologies has expanded their opportunities to appreciate visual arts. We have developed a tactile interface based on the proposed concept design under considerations of PVI tactile actuation, color perception, and learnability. The proposed interface automatically translates reference colors into spatial tactile patterns. A range of achromatic colors and six prominent basic colors with three levels of chroma and values are considered for the cross-modular association. In addition, an analog tactile color watch design has been proposed. This scheme enables PVI to explore artwork or real-life object color by identifying the reference colors through a color sensor and translating them to the tactile interface. The color identification tests using this scheme on the developed prototype exhibit good recognition accuracy. The workload assessment and usability evaluation for PVI demonstrate promising results. This suggest that the proposed scheme is appropriate for tactile color exploration.

Ornamen Candi Bajang Ratu sebagai Ide Kreasi Penciptaan Motif Batik Tulis Sandang

“…Garis adalah hubungan jejak-jejak titik yang saling bersambungan/berderet yang dapat menghasilkan sebuah irama. Garis dalam seni menyimbolkan bahwa makin tajam, nyata, dan kuat garis batasnya, makin sempurna karya seninya (Jabbar, Lee, & Cho, 2021). Warna tersebut dapat memberi kesan kedamaian dan sejuk dan diharapkan.…”

“…Garis adalah hubungan jejak-jejak titik yang saling bersambungan/berderet yang dapat menghasilkan sebuah irama. Garis dalam seni menyimbolkan bahwa makin tajam, nyata, dan kuat garis batasnya, makin sempurna karya seninya (Jabbar et al, 2021). Warna yang digunakan yaitu warna Coklat kejingga-jinggaan (CJ) hasil dari campuran Warna Cokelat kekuning-kuningan (CK) dengan coklat kemerah-merahan (CM) (Vitulli et al, 2014).…”

Evaluation of a braille-based colour code proposal for people with visual impairment

“…Therefore, although there are studies and propositions of multi-sensory experiences for colour recognition, such as applying sounds, temperature, or scents , the most accepted approach to the colour challenge is the use of tactile colour patterns (TCP), as also proposed by Cho et al (2020) for art appreciation and by Araújo et al (2020) for the representation isarithmic maps of temperature, commonly used in Geography discipline. Also, Jabbar et al (2021) present a wearable assistive technology for visual impairment aiming a tactile colour translation for artwork.…”

“…They are present in daily personal routines, in social interactions and in self-care activities. Colours are involved in product choices for personal presentation, such as clothes and make-up, that can potentially reflect in identity issues, such as self-esteem and social inclusion, including art appreciation (CHO et al, 2020;JABBAR et al, 2021) and many other basic situations. They are also part of the educational context as some knowledge is represented and communicated by means of colours (ARAÚJO et al, 2020;BIANCHI et al, 2016;CAMARGO et al, 2008;CAMARGO, 2012).…”

Multi-Sensory Interaction for Blind and Visually Impaired People

“…Although several tactile color patterns [4] have been developed, they are limited to fixed tactile color interpretation, which requires outgoing resources. Jabbar et al [5] have proposed the design for ColorWatch, integrating colors from Goethe's color triangle and the Munsell color system with an analog wristwatch, allowing spatial color-to-tactile interpretation. They developed a tactile interface based on the proposed concept design under the considerations of people with visual impairments with tactile actuation, color perception, and learnability.…”