# A Direct Least-Squares Solution to the PnP Problem with Unknown Focal Length

> Research article (2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016) · cited 25× · AI/ML

**Wikidata**: [openalex:W2462648435](https://www.wikidata.org/wiki/openalex:W2462648435)  
**Source**: https://4ort.xyz/entity/a-direct-least-squares-solution-to-the-pnp-problem-with-unknown-focal-length
