# PU-Dense: Sparse Tensor-Based Point Cloud Geometry Upsampling

> Research article (IEEE Transactions on Image Processing, 2022) · cited 69× · AI/ML

**Wikidata**: [openalex:W4282928804](https://www.wikidata.org/wiki/openalex:W4282928804)  
**Source**: https://4ort.xyz/entity/pu-dense-sparse-tensor-based-point-cloud-geometry-upsampling