# Density variation-based background filtering algorithm for low-channel roadside lidar data

> Research article (Optics & Laser Technology, 2022) · cited 16× · AI/ML

**Wikidata**: [openalex:W4309567565](https://www.wikidata.org/wiki/openalex:W4309567565)  
**Source**: https://4ort.xyz/entity/density-variation-based-background-filtering-algorithm-for-low-channel-roadside-lidar-data