# Detecting Total Electron Content Precursors Before Earthquakes by Examining Total Electron Content Images Based on Butterworth Filter in Convolutional Neural Networks

> Research article (IEEE Access, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3034922780](https://www.wikidata.org/wiki/openalex:W3034922780)  
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