# Visual-Acoustic Penetration Recognition in Variable Polarity Plasma Arc Welding Process Using Hybrid Deep Learning Approach

> Research article (IEEE Access, 2020) · cited 49× · AI/ML

**Wikidata**: [openalex:W3038577343](https://www.wikidata.org/wiki/openalex:W3038577343)  
**Source**: https://4ort.xyz/entity/visual-acoustic-penetration-recognition-in-variable-polarity-plasma-arc-welding-process-using-hybrid-deep-learning-appro