# Baseline-free damage visualization using noncontact laser nonlinear ultrasonics and state space geometrical changes

> Research article (Smart Materials and Structures, 2015) · cited 47× · AI/ML

**Wikidata**: [openalex:W2220737047](https://www.wikidata.org/wiki/openalex:W2220737047)  
**Source**: https://4ort.xyz/entity/baseline-free-damage-visualization-using-noncontact-laser-nonlinear-ultrasonics-and-state-space-geometrical-changes