Glossary

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

7 results found in Image Accessibility.

DALL-E (DALL-E 2, DALL-E 3, DALLE)
A family of text-to-image generative AI models developed by OpenAI that produces images from natural-language prompts. DALL-E models are widely used by content creators, including people with disabili…
Formal Analysis (Formal Analysis (Art))
An art-historical method that examines an artwork's observable formal attributes — composition, color, line, light, texture, scale, space, and style — and how they are organized, independent of biogra…
Image Processing (Digital Image Processing)
The use of computational algorithms to analyze, enhance, transform, or extract information from digital images. In accessibility, image processing techniques are applied to convert visual content into…
Image Segmentation (Region Segmentation)
A computer vision technique that partitions a digital image into multiple distinct regions or segments based on shared characteristics such as color, intensity, or texture. In accessibility applicatio…
Interpretive Alt Text
Alt text that goes beyond objective, functional description to convey interpretive dimensions of an image such as mood, symbolism, narrative, and aesthetic effect. It is most relevant for images where…
Tactile Imaging (Tactile Image, Tactile Image Conversion, Visual-to-Tactile Conversion)
The process of converting visual images into tactile representations that can be perceived through touch, enabling blind and visually impaired users to access graphical information. Tactile imaging in…
Web Mediation (Web Content Mediation, Web Accessibility Mediation)
The process of automatically modifying web content as it passes between a web server and a user's browser, typically through a proxy server or browser extension, to improve its accessibility or usabil…