Jin, S., Q. Zhou, H. Yao, Y. Liu, and X.-S. Hua. “Asynchronous Teacher Guided Bit-Wise Hard Mining for Online Hashing”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 2, May 2021, pp. 1717-24, doi:10.1609/aaai.v35i2.16265.