Li, Y., J. Zhang, Y. Cheng, K. Huang, and T. Tan. “DF<sup>2</Sup>Net: Discriminative Feature Learning and Fusion Network for RGB-D Indoor Scene Classification”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 32, no. 1, Apr. 2018, doi:10.1609/aaai.v32i1.12292.