YOLO (You Only Look Once)

A family of real-time object detection neural networks that predict bounding boxes and class labels in a single forward pass over an image, rather than using a two-stage propose-then-classify pipeline. YOLO has become a workhorse detector for accessibility research and assistive systems — applications include detecting UI components in mobile screenshots, identifying everyday objects for blind and vision-impaired users, recognizing sign-language gestures, and powering navigation wearables.