Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Landmark Extraction(also: Keypoint Detection, Skeletal Tracking)
- A computer vision technique that identifies and tracks specific anatomical points (landmarks or keypoints) on the human body, hands, and face from images or video. In sign language technology, landmark extraction is a critical preprocessing step that converts raw video into…
- Large Vision Model(also: LVM)
- A large vision model is a foundation model trained on very large image (and often video) datasets to produce general-purpose visual representations - capable of object detection, segmentation, captioning, or feature extraction without task-specific retraining. Examples include…
- Linear Discriminant Analysis(also: Fisher Discriminant Analysis, Fisherfaces)
- A statistical method used in pattern recognition and machine learning that finds a linear combination of features to best separate two or more classes of objects. In the context of face recognition, LDA (also known as the Fisherfaces method) projects face images into a…
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