# Internal defect detection quantification and three-dimensional localization based on impact echo and classification learning model

> Research article (Measurement, 2023) · cited 35× · AI/ML

**Wikidata**: [openalex:W4379209839](https://www.wikidata.org/wiki/openalex:W4379209839)  
**Source**: https://4ort.xyz/entity/internal-defect-detection-quantification-and-three-dimensional-localization-based-on-impact-echo-and-classification-lear