@article{selfsupervisednormalitylearningand, title = {Self-supervised Normality Learning and Divergence Vector-guided Model Merging for Zero-shot Congenital Heart Disease Detection in Fetal Ultrasound Videos}, author = {Pramit Saha and Divyanshu Mishra and Netzahualcoyotl Hernandez-Cruz and Olga Patey and Aris Papageorghiou and Yuki M. Asano and J. Alison Noble}, year = {2025}, eprint = {2503.07799}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2503.07799v1}, }