# Automated Optical Inspection System for O-Ring Based on Photometric Stereo and Machine Vision

> Research article (Applied Sciences, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3137701176](https://www.wikidata.org/wiki/openalex:W3137701176)  
**Source**: https://4ort.xyz/entity/automated-optical-inspection-system-for-o-ring-based-on-photometric-stereo-and-machine-vision