ground truth
"Ground truth" is a term used to describe the actual, observed reality that serves as a reference point for validation in various fields.
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Definition
C1Machine Learning
(technical)The real data used to train and validate a model, often manually annotated.
Example
- The model's accuracy improved after using more accurate ground truth data.
C1Cartography
(technical)Data collected by physically observing locations to verify map features.
Example
- Surveyors collected ground truth data to update the city's map.
B2General
(general)Accurate information obtained through direct observation, used as a benchmark.
Example
- Scientists rely on ground truth to validate their experimental results.
Similar
Terms that have similar or relatively close meanings to "ground truth":
ground truthingground gamefacts on the groundon the groundground levelground planground ruleground powerground zero