# An ECG Signal De-Noising Approach Based on Wavelet Energy and Sub-Band Smoothing Filter

> Research article (Applied Sciences, 2019) · cited 67× · AI/ML

**Wikidata**: [openalex:W2990466694](https://www.wikidata.org/wiki/openalex:W2990466694)  
**Source**: https://4ort.xyz/entity/an-ecg-signal-de-noising-approach-based-on-wavelet-energy-and-sub-band-smoothing-filter