In this system, the algorithm is manually taught the differences between spam and non-spam. The "ground truth" might be the positions given by a laser rangefinder which is known to be much more accurate than the camera system.īayesian spam filtering is a common example of supervised learning. Compare with gold standard.įor example, suppose we are testing a stereo vision system to see how well it can estimate 3D positions. The term "ground truthing" refers to the process of gathering the proper objective (provable) data for this test. This is used in statistical models to prove or disprove research hypotheses.
"Ground truth" may be seen as a conceptual term relative to the knowledge of the truth concerning a specific question. ground truth) records the use of the word Groundtruth in the sense of 'fundamental truth' from Henry Ellison's poem "The Siberian Exile's Tale", published in 1833. empirical evidence) as opposed to information provided by inference. Ground truth is information that is known to be real or true, provided by direct observation and measurement (i.e. JSTOR ( June 2015) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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