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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Image Obfuscation(also: Image Masking, Visual Privacy Protection)
Techniques applied to images to obscure or remove sensitive visual information before sharing or processing, such as blurring, pixelation, edge filtering, or masking regions of an image. In accessibility contexts, image obfuscation is important for privacy-preserving assistive…
Iterative Crowdsourcing(also: Iterative Human Computation, Multi-Round Crowdsourcing)
A human computation workflow in which multiple rounds of crowd workers build iteratively upon each other's responses to collectively achieve higher quality results than any individual worker could produce alone. In each iteration, workers are shown the previous round's outputs…

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