# A Hierarchical Heterogeneous Graph for Unsupervised SAR Image Change Detection

> Research article (IEEE Geoscience and Remote Sensing Letters, 2022) · cited 18× · AI/ML

**Wikidata**: [openalex:W4312620670](https://www.wikidata.org/wiki/openalex:W4312620670)  
**Source**: https://4ort.xyz/entity/a-hierarchical-heterogeneous-graph-for-unsupervised-sar-image-change-detection