# BirdNet+: Two-Stage 3D Object Detection in LiDAR Through a Sparsity-Invariant Bird’s Eye View

> Research article (IEEE Access, 2021) · cited 23× · AI/ML

**Wikidata**: [openalex:W3217305714](https://www.wikidata.org/wiki/openalex:W3217305714)  
**Source**: https://4ort.xyz/entity/birdnet-two-stage-3d-object-detection-in-lidar-through-a-sparsity-invariant-birds-eye-view