Optimization of Fetal Head Segmentation Based on U-Net via Ultrasound Image Preprocessing. Cyberspace: Jurnal Pendidikan Teknologi Informasi, [S. l.], v. 10, n. 1, p. 12–25, 2026. DOI: 10.22373/cj.v10i1.33961. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/cyberspace/article/view/33961. Acesso em: 12 may. 2026.