# OptFROG — Analytic signal spectrograms with optimized time–frequency resolution

> Research article (SoftwareX, 2019) · cited 18× · AI/ML

**Wikidata**: [openalex:W2959266168](https://www.wikidata.org/wiki/openalex:W2959266168)  
**Source**: https://4ort.xyz/entity/optfrog-analytic-signal-spectrograms-with-optimized-timefrequency-resolution