Wang, Jinpeng, Bin Chen, Qiang Zhang, Zaiqiao Meng, Shangsong Liang, and Shutao Xia. 2021. “Weakly Supervised Deep Hyperspherical Quantization for Image Retrieval”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (4):2755-63. https://doi.org/10.1609/aaai.v35i4.16380.