fiducial
- noun
- /fɪˈduːʃəl/
- Specialized
:
marcador fiducial
- To enhance the navigation system, we added several fiducial points that helped aligned the coordinate systems precisely.
Examples
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We scan the drawing page with a flatbed scanner, locate fiducials included in the corners of the page, and then use the fiducials to register the traced lines with the 3D model rendered from the main viewpoint.
Academic text (2012) -
Supposing I double the size of the box of my, let's call it the fiducial box.
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And then between the between this fiducials, they can get their relative position.
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We summarize that translational periodicity by a set of fiducial markers that are called lattice points.
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We scan the drawing page with a flatbed scanner, locate fiducials included in the corners of the page, and then use the fiducials to register the traced lines with the 3D model rendered from the main viewpoint.
Academic text (2012) -
The surgeon carefully placed the fiducial markers on the patient's skin to ensure accurate alignment during the procedure.
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In our study, we used fiducials to improve the accuracy of 3D imaging in computer vision applications.
How Precise
Surface Forms
Morphology
fiducial = fiduciary (opaque) = fiduci + al
The noun sense 'fiducial' (a physical marker) is a specialized technical use and cannot be reliably predicted from the non‑productive combining form plus '-al' by average learners.
Etymology
Fiducial as a noun takes its name from the Latin fiducia 'trust' and means a small marker you can 'trust' to hold the place in an image or map. That's why surgeons and engineers put fiducial points on scans so they can line up images exactly.