# Image captioning via proximal policy optimization

> Research article (Image and Vision Computing, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3127216151](https://www.wikidata.org/wiki/openalex:W3127216151)  
**Source**: https://4ort.xyz/entity/image-captioning-via-proximal-policy-optimization