# ERSR: An Ellipse-constrained pseudo-label refinement and symmetric regularization framework for semi-supervised fetal head segmentation in ultrasound images

> Research article (IEEE Journal of Biomedical and Health Informatics, 2025) · cited 15× · AI/ML

**Wikidata**: [openalex:W4413553686](https://www.wikidata.org/wiki/openalex:W4413553686)  
**Source**: https://4ort.xyz/entity/ersr-an-ellipse-constrained-pseudo-label-refinement-and-symmetric-regularization-framework-for-semi-supervised-fetal-hea