# Study of inner porosity detection for Al-Mg alloy in arc welding through on-line optical spectroscopy: Correlation and feature reduction

> Research article (Journal of Manufacturing Processes, 2019) · cited 37× · AI/ML

**Wikidata**: [openalex:W2915584006](https://www.wikidata.org/wiki/openalex:W2915584006)  
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