Recurrent neural networks for aortic image sequence segmentation withsparse annotations 2018 (1) Wenjia Bai andHideaki Suzuki andChen Qin andGiacomo Tarroni andOzan Oktay andPaul M. Matthews andDaniel Rueckert, Recurrent neural networks for aortic image sequence segmentation withsparse annotations, CoRR, volume abs/1808.00273, 2018