# Afocal Optical Flow Sensor for Reducing Vertical Height Sensitivity in Indoor Robot Localization and Navigation

> Research article (Sensors, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W1557647061](https://www.wikidata.org/wiki/openalex:W1557647061)  
**Source**: https://4ort.xyz/entity/afocal-optical-flow-sensor-for-reducing-vertical-height-sensitivity-in-indoor-robot-localization-and-navigation