# PDLC-LIO: A Precise and Direct SLAM System Toward Large-Scale Environments With Loop Closures

> Research article (IEEE Transactions on Intelligent Transportation Systems, 2023) · cited 25× · AI/ML

**Wikidata**: [openalex:W4386275689](https://www.wikidata.org/wiki/openalex:W4386275689)  
**Source**: https://4ort.xyz/entity/pdlc-lio-a-precise-and-direct-slam-system-toward-large-scale-environments-with-loop-closures