# dark-frame subtraction

> removal of dark current and fixed-pattern noise in long-exposure photography

**Wikidata**: [Q861103](https://www.wikidata.org/wiki/Q861103)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dark-frame_subtraction)  
**Source**: https://4ort.xyz/entity/dark-frame-subtraction


## References

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