# Sparse Structural Principal Component Thermography for Defect Signal Enhancement in Subsurface Defects Detection of Composite Materials

> Research article (Journal of Nondestructive Evaluation, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W4200393899](https://www.wikidata.org/wiki/openalex:W4200393899)  
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