Detection: finds "a car."
Grounding: finds the red car in the crowd of cars.
Detection = fixed classes + bounding box (YOLO, RF-DETR).
Grounding = free-form language → localization.
The word "grounding" comes from cognitive scientist Stevan Harnad (1990) — mapping abstract… pic.twitter.com/bzzXJPFmXi

— Satya Mallick (@LearnOpenCV) 20 mai 2026

Detection: finds "a car."
Grounding: finds the red car in the crowd of cars.
Detection = fixed classes + bounding box (YOLO, RF-DETR).
Grounding = free-form language → localization.
The word "grounding" comes from cognitive scientist Stevan Harnad (1990) — mapping abstract

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