# Derivative-free Huber–Kalman smoothing based on alternating minimization

> Research article (Signal Processing, 2019) · cited 20× · AI/ML

**Wikidata**: [openalex:W2944367346](https://www.wikidata.org/wiki/openalex:W2944367346)  
**Source**: https://4ort.xyz/entity/derivative-free-huberkalman-smoothing-based-on-alternating-minimization