Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Diffusion Model(also: Diffusion-based Generator, Denoising Diffusion Model)
- A diffusion model is a class of generative AI that learns to produce images or videos by iteratively denoising a random noise input, reversing a forward process that gradually adds noise to training data. In accessibility work, diffusion models are used to synthesize sign…
- Disability-Centered Evaluation(also: Disability-Centric Evaluation, Disability-First Evaluation)
- An approach to evaluating AI systems, tools, or research artefacts that places disabled people's lived experiences, information needs, and failure contexts at the centre of study design — including which data are collected, how ground truth is annotated, which models are tested,…
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