Glossary

Searchable terminology from accessibility, web standards, and related fields.

5 results found in visual assistance.

Aira
A visual assistance service that connects blind and low vision users with trained human agents who provide real-time visual information through a smartphone camera or smart glasses. Unlike AI-only sol…
Envision AI (Envision)
An AI-powered visual assistance technology available as a smartphone app and as smart glasses that provides scene descriptions, text reading, and object identification for blind and low vision users. …
Fiducial Marker (AR Marker, Visual Marker, Reference Marker)
An artificial visual landmark placed in a physical environment to serve as a reference point for image processing systems. Fiducial markers — such as QR codes, ArUco markers, and BCH matricial markers…
TapTapSee
An AI-enabled visual assistance app designed for blind and low vision users that identifies objects through photos taken with a smartphone camera. Users double-tap their screen to take a photo, and th…
Visual Interpretation Services (VIS, Remote Sighted Assistance, Visual Assistance Services)
Visual interpretation services are technology platforms that connect blind and low vision users with sighted assistants (either human volunteers or paid professionals) who provide real-time visual des…