# Improving Smart Lighting with Activity Recognition Using Hierarchical Hidden Markov Model

> Research article (2019) · cited 13× · AI/ML

**Wikidata**: [openalex:W2981989157](https://www.wikidata.org/wiki/openalex:W2981989157)  
**Source**: https://4ort.xyz/entity/improving-smart-lighting-with-activity-recognition-using-hierarchical-hidden-markov-model