Evaluating the performance of convolutional neural networks with direct acyclic graph architectures in automatic segmentation of breast lesion in US images. - Marly Guimarães Fernandes Costa; João Paulo Mendes Campos; Gustavo de Aquino e Aquino; Wagner Coelho de Albuquerque Pereira; Cicero Ferreira Fernandes Costa Filho (BMC Medical Imaging, 2019)