Nie, Dong, Li Wang, Lei Xiang, Sihang Zhou, Ehsan Adeli, and Dinggang Shen. “Difficulty-Aware Attention Network With Confidence Learning for Medical Image Segmentation”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1085–1092. Accessed July 26, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/3900.