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  1. Home
  3. Accessible Gesture Typing On Smartphones For People With Low Vision.
  1. Home
  3. Accessible Gesture Typing On Smartphones For People With Low Vision.

Related Experiment Video

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
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Accessible Gesture Typing on Smartphones for People with Low Vision.

Dan Zhang1, William H Seiple2, Zhi Li1

  • 1Department of Computer Science, Stony Brook University New York, USA.

Proceedings of the ACM Symposium on User Interface Software and Technology. ACM Symposium on User Interface Software and Technology
|January 9, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

We developed two new keyboards for low vision users to improve gesture typing. The key-magnified keyboard achieved a 27.5% faster typing speed than conventional methods.

Keywords:
accessibilitygesture inputlow visionsmartphone keyboardtext inputword gesture

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Area of Science:

  • Human-Computer Interaction
  • Assistive Technology
  • Accessibility Research

Background:

  • Gesture typing is common on touchscreens but lacks support for low vision users.
  • Existing solutions often hinder usability when screen magnifiers are active.

Purpose of the Study:

  • To design and evaluate novel keyboard prototypes enabling gesture typing for individuals with low vision.
  • To develop a decoding algorithm accommodating unique typing behaviors of low vision users.

Main Methods:

  • Implemented two keyboard prototypes: layout-magnified and key-magnified.
  • Developed a kinematics-based decoding algorithm for flexible gesture recognition.
  • Conducted a user study comparing prototype performance against conventional gesture typing.

Main Results:

  • Both prototypes allowed uninterrupted key access with active screen magnifiers.
  • The key-magnified keyboard achieved 5.28 words per minute.
  • This represents a 27.5% speed improvement over conventional gesture typing with voice feedback.

Conclusions:

  • Novel keyboard designs and a specialized decoding algorithm significantly enhance gesture typing for low vision users.
  • The key-magnified keyboard offers a faster and more accessible text input method.