# fiducial

> object used to align or calibrate a vision system; it can provide a stable reference for colour, brightness, size, unique identification, or position relative to some unknown being measured

**Wikidata**: [Q1469893](https://www.wikidata.org/wiki/Q1469893)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fiducial_marker)  
**Source**: https://4ort.xyz/entity/fiducial


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)