# An Analytic Model for Negative Obstacle Detection with Lidar and Numerical Validation Using Physics-Based Simulation

> Research article (Sensors, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3157315619](https://www.wikidata.org/wiki/openalex:W3157315619)  
**Source**: https://4ort.xyz/entity/an-analytic-model-for-negative-obstacle-detection-with-lidar-and-numerical-validation-using-physics-based-simulation