Iterative Design and Prototyping of Computer Vision Mediated Remote Sighted Assistance

Area of Science:

• Human-Computer Interaction
• Assistive Technology
• Computer Vision

Background:

• Remote sighted assistance (RSA) is an emerging technology for people with visual impairments (PVI).
• Existing RSA systems can be improved with advanced computer vision capabilities.
• Understanding the needs of RSA professionals is crucial for effective system design.

Purpose of the Study:

• To develop and evaluate a prototype for computer vision-enhanced remote sighted assistance.
• To assess the desirability and feasibility of proposed computer vision concepts for RSA.
• To identify key resources, goals, and challenges in RSA prosthetic practice.

Main Methods:

• Scenario-based design for prototype development.
• Iterative refinement of the RSA prototype based on expert feedback.
• Evaluation of the refined prototype with 12 RSA professionals.

Main Results:

• The prototype demonstrated potential computer vision applications for RSA.
• RSA professionals found the proposed computer vision concepts desirable and feasible.
• Insightful and constructive feedback was received from RSA experts and professionals.

Conclusions:

• Iterative prototype reviews provide valuable insights into RSA practice.
• Computer vision integration holds significant potential for improving RSA systems.
• Further design considerations for RSA systems should focus on user needs and technological integration.