Xiong, Haitao, Hongfu Liu, Bineng Zhong, and Yun Fu. “Structured and Sparse Annotations for Image Emotion Distribution Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 363-370. Accessed May 23, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/3806.