# Feature extraction of ultrasonic guided wave weld detection based on group sparse wavelet transform with tunable Q-factor

> Research article (Measurement, 2022) · cited 25× · AI/ML

**Wikidata**: [openalex:W4311986542](https://www.wikidata.org/wiki/openalex:W4311986542)  
**Source**: https://4ort.xyz/entity/feature-extraction-of-ultrasonic-guided-wave-weld-detection-based-on-group-sparse-wavelet-transform-with-tunable-q-facto