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What does ground truth means?
Ground truth is information that is known to be real or true, provided by direct observation and measurement (i.e. empirical evidence) as opposed to information provided by inference.
What is the root word of ground?
Old English grund “bottom; foundation; surface of the earth,” also “abyss, Hell,” and “bottom of the sea” (a sense preserved in run aground), from Proto-Germanic *grundu-, which seems to have meant “deep place” (source also of Old Frisian, Old Saxon, Danish, Swedish grund, Dutch grond, Old High German grunt, German …
What is the etymology of truth?
From Middle English trouthe, truthe, trewthe, treowthe, from Old English trēowþ, trīewþ (“truth, veracity, faith, fidelity, loyalty, honour, pledge, covenant”), from Proto-Germanic *triwwiþō (“promise, covenant, contract”), from Proto-Indo-European *drū- (“tree”), from Proto-Indo-European *deru- (“firm, solid”).
What is absolute truth?
In general, absolute truth is whatever is always valid, regardless of parameters or context. The absolute in the term connotes one or more of: a quality of truth that cannot be exceeded; complete truth; unvarying and permanent truth.
What does ground mean in literature?
An area of reference or discussion; a subject: The professor covered new ground in every lecture.
What is ground truth?
Ground truth is a term used in various fields to refer to information that is known to be real or true, provided by direct observation and measurement (i.e. empirical evidence) as opposed to information provided by inference.
What is ground truth in statistics and machine learning?
Statistics and machine learning. In machine learning, the term “ground truth” refers to the accuracy of the training set’s classification for supervised learning techniques. This is used in statistical models to prove or disprove research hypotheses.
What is ground truth in remote sensing?
Remote sensing. In remote sensing, “ground truth” refers to information collected on location. Ground truth allows image data to be related to real features and materials on the ground. The collection of ground truth data enables calibration of remote-sensing data, and aids in the interpretation and analysis of what is being sensed.
What is the ground truth being estimated by the coordinates?
The ground truth being estimated by those coordinates is the tip of George Washington’s nose on Mount Rushmore. The accuracy of the estimate is the maximum distance between the location coordinates and the ground truth.