# A visual guidance calibration method for out-of-focus cameras based on iterative phase target

> Research article (Measurement, 2023) · cited 10× · AI/ML

**Wikidata**: [openalex:W4378649191](https://www.wikidata.org/wiki/openalex:W4378649191)  
**Source**: https://4ort.xyz/entity/a-visual-guidance-calibration-method-for-out-of-focus-cameras-based-on-iterative-phase-target