Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• Understanding the Touchscreen-based Nonvisual Target Acquisition Task Performance of Screen Reader Users

  Hwayeon Joh, Yun Jung Lee, Uran Oh (2022) — Proceedings of the 19th International Web for All Conference (W4A 2022)

  This study investigates how screen reader users find and select targets on a smartphone touchscreen without visual cues, examining the effects of screen size, target size, and the ratio between them. Twelve participants with visual impairments (three…

  • touchscreen
  • screen readers
  • target acquisition
  • mobile accessibility
  • visual impairment
  • VoiceOver
  • interaction design
  • touch exploration

• ImageExplorer Deployment: Understanding Text-Based and Touch-Based Image Exploration in the Wild

  Ruolin Xu, Yuxuan Cai, Shuying Hou, Yu-Jung Chang, Anhong Guo (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This paper presents the real-world deployment and evaluation of ImageExplorer, an iOS application that enables blind and low-vision users to explore images through two complementary modalities: text-based sequential exploration and touch-based spatia…

  • image accessibility
  • screen readers
  • touch exploration
  • blind users
  • image description
  • mobile accessibility
  • computer vision
  • object detection