Classification of Breast Cancer Lesions in Ultrasound Images by using Attention Layer and loss Ensembles in Deep Convolutional Neural Networks. - Elham Yousef Kalafi; Ata Jodeiri; Seyed Kamaledin Setarehdan; Ng Wei Lin; Kartini Binti Rahman; Nur Aishah Taib; Sarinder Kaur Dhillon (CoRR, 2021)