# Phased array ultrasonic S-scan testing of near-detection-surface defects based on a background subtraction algorithm

> Research article (Materials Research Express, 2022) · cited 10× · AI/ML

**Wikidata**: [openalex:W4214596947](https://www.wikidata.org/wiki/openalex:W4214596947)  
**Source**: https://4ort.xyz/entity/phased-array-ultrasonic-s-scan-testing-of-near-detection-surface-defects-based-on-a-background-subtraction-algorithm