Dictionary:Tracking

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Following an attribute such as the maximum or minimum associated with an event across a section or throughout a volume; same as picking. Automatic tracking is done at a workstation; the event to be tracked is picked (seeded) manually and then the computer finds the corresponding event nearby by using a correlation algorithm such as cross-correlating. An interpreter needs to verify the results of autotracking and occassionally intervene because autotracking algorithms encounter difficulties at discontinuities (as at faults) and where waveshape changes (perhaps because of interference), and where the signal becomes too small.