# CoHOG: A Light-Weight, Compute-Efficient, and Training-Free Visual Place Recognition Technique for Changing Environments

> Research article (IEEE Robotics and Automation Letters, 2020) · cited 92× · AI/ML

**Wikidata**: [openalex:W3003290274](https://www.wikidata.org/wiki/openalex:W3003290274)  
**Source**: https://4ort.xyz/entity/cohog-a-light-weight-compute-efficient-and-training-free-visual-place-recognition-technique-for-changing-environments