Glossary

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Ideational Convergence(also: Creative Homogenization)

A phenomenon where the use of generative AI tools leads to a narrowing of creative diversity, as multiple users producing content with the same AI system tend to converge on similar outputs. In audio description, ideational convergence risks flattening the variety of descriptive…

Image Captioning(also: Automatic Image Description, AI Image Description)

A computer vision task in which an AI model generates a natural language description of the content of an image. In accessibility contexts, image captioning technology enables visually impaired users to understand visual content by converting images into text that can be read…

Image Classification(also: Visual Classification, Photo Classification)

A computer vision task where a machine learning model assigns a category label to an input image based on its visual content. Image classifiers are trained on labeled example images and learn to recognize patterns associated with each category. In accessibility applications,…

Image Description(also: Image Caption, Visual Description)

A textual representation of the content of an image, providing information about objects, people, scenes, text, colors, spatial relationships, and other visual elements. Image descriptions serve as a primary means for blind and low vision users to access visual content. They can…

Image Recognition(also: Image Classification, Computer Vision Recognition)

The use of computer vision algorithms to identify and classify objects, text, faces, scenes, and other visual content in images or video. In accessibility applications, image recognition enables tools that describe visual content to blind and low vision users, such as smartphone…

Image-to-3D Generation(also: Image-to-3D Conversion, 2D-to-3D Generation)

An AI-powered process that converts two-dimensional images into three-dimensional digital models suitable for manipulation, rendering, or physical fabrication via 3D printing. In assistive technology design workflows, image-to-3D generation serves as the second stage of an…

Inclusive AI(also: Accessible AI, Disability-Inclusive Artificial Intelligence)

The design and development of artificial intelligence systems that account for the needs, experiences, and data of people with disabilities and other marginalized groups. Inclusive AI requires representative training datasets, accessible interfaces for AI-powered tools, and…

Information Verification(also: AI Output Verification, Fact-Checking AI)

The process of assessing the accuracy, reliability, and trustworthiness of information generated by AI systems before acting on it. For blind users of generative AI, information verification is uniquely challenging because visual cross-referencing is unavailable, switching…

Instance Segmentation

A computer vision technique that identifies and delineates individual objects within an image at the pixel level, distinguishing separate instances even when they belong to the same category. In accessibility contexts, instance segmentation enables assistive tools to provide…

Intelligent Tutoring System(also: ITS, AI Tutor)

An AI-powered educational system that provides personalized instruction, feedback, and scaffolding adapted to individual learners' needs, knowledge levels, and learning patterns. Modern intelligent tutoring systems increasingly use generative AI and large language models to…

Intelligent Virtual Assistant(also: IVA, Virtual Assistant, AI Assistant)

A software-based agent that uses artificial intelligence, natural language processing, and speech recognition to understand and respond to human voice or text commands. Intelligent Virtual Assistants such as Amazon Alexa, Google Assistant, and Apple Siri are embedded in smart…

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