# A Robust 3D Density Descriptor Based on Histogram of Oriented Primary Edge Structure for SAR and Optical Image Co-Registration

> Research article (Remote Sensing, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4210761550](https://www.wikidata.org/wiki/openalex:W4210761550)  
**Source**: https://4ort.xyz/entity/a-robust-3d-density-descriptor-based-on-histogram-of-oriented-primary-edge-structure-for-sar-and-optical-image-co-regist