Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Watershed Algorithm(also: Watershed Segmentation, Watershed Transform)
- An image segmentation technique inspired by geographical hydrology, where the gradient magnitude of an image is treated as a topographical surface. The algorithm simulates water flowing downhill from each pixel to local minima, forming catchment basins that define segmented…
- Wearable Camera(also: Body-worn Camera, Head-mounted Camera, Egocentric Camera)
- A camera worn on the body — typically mounted on glasses, a hat, or the chest — that captures images or video from the wearer's perspective (egocentric view). In assistive technology for blind and low vision users, wearable cameras coupled with computer vision can provide…
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