# Detection of defects in highly attenuating materials using ultrasonic least-squares reverse time migration with preconditioned stochastic gradient descent

> Research article (Ultrasonics, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4319227371](https://www.wikidata.org/wiki/openalex:W4319227371)  
**Source**: https://4ort.xyz/entity/detection-of-defects-in-highly-attenuating-materials-using-ultrasonic-least-squares-reverse-time-migration-with-precondi