# A novel heading estimation algorithm for pedestrian using a smartphone without attitude constraints

> Research article (2016 Fourth International Conference on Ubiquitous Positioning, Indoor Navigation and Location Based Services (UPINLBS), 2016) · cited 22× · AI/ML

**Wikidata**: [openalex:W2569879513](https://www.wikidata.org/wiki/openalex:W2569879513)  
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