# Direction-guided and multi-scale feature screening for fetal head–pubic symphysis segmentation and angle of progression calculation

> Research article (Expert Systems with Applications, 2023) · cited 30× · AI/ML

**Wikidata**: [openalex:W4390450436](https://www.wikidata.org/wiki/openalex:W4390450436)  
**Source**: https://4ort.xyz/entity/direction-guided-and-multi-scale-feature-screening-for-fetal-headpubic-symphysis-segmentation-and-angle-of-progression-c