Meaning of ground-truth in English:


Pronunciation /ˈɡraʊn(d)truːθ/


  • To confirm or validate directly (information or data derived indirectly), especially (in remote sensing) by direct observation on the ground, rather than by interpretation of remotely obtained data; to make observations of (land, an area, etc.) directly on the ground, especially in order to confirm or validate data obtained indirectly.


1980s; earliest use found in American Antiquities. From ground truth.