# PBFormer: Point and Bi-Spatiotemporal Transformer for Pointwise Change Detection of 3D Urban Point Clouds

> Research article (Remote Sensing, 2023) · cited 10× · AI/ML

**Wikidata**: [openalex:W4367300000](https://www.wikidata.org/wiki/openalex:W4367300000)  
**Source**: https://4ort.xyz/entity/pbformer-point-and-bi-spatiotemporal-transformer-for-pointwise-change-detection-of-3d-urban-point-clouds