Automatic Description of SVG Images for the Visually Impaired: A Gestaltic Approach

Vítor Manuel Ferreira Alves Carvalho · Diamantino Freitas

9 citations0/0 files storedProcedia Computer Science

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Digital Accessibility for Disabilities Image Retrieval and Classification Techniques Tactile and Sensory Interactions

Abstract

In this paper, a new approach to the automatic description of SVG images for the visually impaired based on Gestalt theory is presented, using levels with increased details. The description begins as a whole, considering relations of alignment, symmetry and group formation of the elements. Next, qualitative values for shape, locations, measures and colors are used to characterize each element. Finally, quantitative values are given for these properties. Tests carried out with users, compared automatic descriptions with human made. There were improvements of 9%, using automatic descriptions. Considering only the visually impaired, this figure rises to 18%.

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2023A Systematic Mapping Study on Accessibility in Data Visualizations for Visually Impaired Users 2023Enabling visually disabled persons to create technical drawings: a review with a preliminary contribution

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