Fiducial Marker

Definition: Fiducials are usually referred to as physical attachments, insertions, or digital markers, often positioned at well-defined locations with strong detectable signals in the acquired experimental data or auxiliary measurements. Fiducials are typically used for facilitating the localization of sensors and co-registration between probes and anatomical structures.

Alternative definition: 

Synonym: Fiducial landmark, Fiducial


Related terms: Coordinate system, Vitamin E capsules, Digitizer

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