Taming User-Interface Heterogeneity with Uniform Overlays for Blind Users

Taming User-Interface Heterogeneity with Uniform Overlays for Blind Users
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通过为盲人用户提供统一的覆盖来驯服用户界面的异构性

DOI:
10.1145/3503252.3531317
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发表时间:
2022
期刊:
Adaptation and Personalization (UMAP'22
影响因子:
--
通讯作者:
Ashok, Vikas
Ashok, Vikas
中科院分区:
--
文献类型:
--
作者:
Uckun, Utku;Tumkur Suresh, Rohan;Ferdous, Md Javedul;Bi, Xiaojun;Ramakrishnan, I.V.;Ashok, Vikas

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对于许多盲人用户来说,使用屏幕阅读器辅助技术与计算机应用程序交互是一件令人沮丧和耗时的事情,主要是由于应用程序用户界面的复杂性和异构性。一项访谈研究表明,许多应用程序没有充分传达他们的界面结构和控制盲人屏幕阅读器用户,从而给这些用户带来额外的负担,以获得自己的知识。考虑到屏幕阅读器的一维导航范例,这通常是一个艰巨而乏味的学习过程。此外,盲人用户必须多次重复该学习过程,即,对于每个应用程序一次,因为应用程序在它们的接口设计和实现方面不同。在本文中,我们提出了一种新的基于推的方法,使非视觉计算机交互容易,高效,并在不同的应用程序统一。其关键思想是通过自动识别和提取所有应用程序控件,然后通过自定义覆盖仪表板界面将这些控件按需即时“推送”给盲人用户,从而使屏幕阅读器交互“结构不可知”。这种自定义覆盖有助于跨所有应用程序的统一和有效的屏幕阅读器导航。一项用户研究表明,与最先进的屏幕阅读器相比,我们的方法在用户满意度和交互效率方面有显着提高。
For many blind users, interaction with computer applications using screen reader assistive technology is a frustrating and time-consuming affair, mostly due to the complexity and heterogeneity of applications’ user interfaces. An interview study revealed that many applications do not adequately convey their interface structure and controls to blind screen reader users, thereby placing additional burden on these users to acquire this knowledge on their own. This is often an arduous and tedious learning process given the one-dimensional navigation paradigm of screen readers. Moreover, blind users have to repeat this learning process multiple times, i.e., once for each application, since applications differ in their interface designs and implementations. In this paper, we propose a novel push-based approach to make non-visual computer interaction easy, efficient, and uniform across different applications. The key idea is to make screen reader interaction ‘structure-agnostic’, by automatically identifying and extracting all application controls and then instantly ‘pushing’ these controls on demand to the blind user via a custom overlay dashboard interface. Such a custom overlay facilitates uniform and efficient screen reader navigation across all applications. A user study showed significant improvement in user satisfaction and interaction efficiency with our approach compared to a state-of-the-art screen reader.
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