# Bi-HRNet: A Road Extraction Framework from Satellite Imagery Based on Node Heatmap and Bidirectional Connectivity

> Research article (Remote Sensing, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4226178801](https://www.wikidata.org/wiki/openalex:W4226178801)  
**Source**: https://4ort.xyz/entity/bi-hrnet-a-road-extraction-framework-from-satellite-imagery-based-on-node-heatmap-and-bidirectional-connectivity