# Active speckle deflectometry based on 3D digital image correlation

> Research article (Optics Express, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3194156174](https://www.wikidata.org/wiki/openalex:W3194156174)  
**Source**: https://4ort.xyz/entity/active-speckle-deflectometry-based-on-3d-digital-image-correlation