Mobile Device Accessibility for the Visually Impaired: Problems Mapping and Empirical Study of Touch Screen Gestures

Proceedings of the 15th Brazilian Symposium on Human Factors in Computing Systems Pub Date : 2016-10-04 DOI:10.1145/3033701.3033703

Rafael Jeferson Pezzuto Damaceno, J. Braga, Jesús P. Mena-Chalco

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引用次数: 13

Abstract

Mobile devices can be a valuable in improving the quality of life of visually impaired people, enabling greater independence to perform daily tasks. A review was carried out to map the existing accessibility problems in the interaction of people with visual impairment with mobile devices. Seven groups of problems were found, which allowed establishment a set of recommendations and future studies to improve accessibility on mobile devices. A case study was planned and conducted addressing the group "gesture-based interaction", which had the highest number of problems in the literature review. The empirical study aimed to evaluate touch gestures made by 12 visually impaired people by using an application developed for this purpose. Gestures represented by the letters "V" and "Z" had performance similar to those already available on the Android Platform. Other factors have influenced the recognition with speed being the main factor in reducing the performance of gestures.

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视障人士的移动设备可访问性:触摸屏手势的问题、映射和实证研究

移动设备在改善视障人士的生活质量方面可以发挥重要作用，使他们能够更独立地执行日常任务。对视障人士与移动设备互动中存在的可达性问题进行了综述。研究发现了七组问题，从而可以建立一套建议和未来的研究，以提高移动设备的可访问性。我们计划并进行了一个案例研究，以解决在文献综述中问题最多的群体“基于手势的互动”。该实证研究旨在通过使用为此目的开发的应用程序来评估12名视障人士的触摸手势。由字母“V”和“Z”表示的手势的性能与Android平台上已有的手势类似。其他因素也会影响识别，其中速度是降低手势表现的主要因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the 15th Brazilian Symposium on Human Factors in Computing Systems

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