# Robust control point estimation with an out-of-focus camera calibration pattern

> Research article (Pattern Recognition Letters, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3114603125](https://www.wikidata.org/wiki/openalex:W3114603125)  
**Source**: https://4ort.xyz/entity/robust-control-point-estimation-with-an-out-of-focus-camera-calibration-pattern