# Research on the calibration technology of an underwater camera based on equivalent focal length

> Research article (Measurement, 2018) · cited 34× · AI/ML

**Wikidata**: [openalex:W2792292164](https://www.wikidata.org/wiki/openalex:W2792292164)  
**Source**: https://4ort.xyz/entity/research-on-the-calibration-technology-of-an-underwater-camera-based-on-equivalent-focal-length