Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- AR Marker(also: Fiducial marker, Augmented reality marker)
- A printed visual pattern (often a square with a distinctive black-and-white code) placed in the environment that a smartphone or AR headset camera can recognise to determine its own position and orientation with high precision. In blind-navigation research, AR markers are placed…
- Adaptive Boosting(also: AdaBoost)
- A machine learning ensemble method that combines multiple weak classifiers to create a strong classifier, with each successive classifier focusing on the examples that previous classifiers misclassified. In computer vision and accessibility applications, AdaBoost is widely used…
- ArUco Marker(also: ArUco Fiducial)
- A square fiducial marker composed of a black border and an inner binary pattern that encodes a unique ID, designed for fast, robust pose estimation from a single camera image. ArUco markers are widely supported by OpenCV and are used in augmented reality, robotics, and research…
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