ONLINE_HASHING_UTILS directory contains all baseline methods and online hashing tools.

2018ACMMM_HCOH directory contains the source codes of our paper, i.e., Supervised Online Hashing via Hadamard Codebook Learning , ACM MM, 2018.

2019ACMMM_BSODH directory contains the source codes of our paper, i.e., Towards Optimal Discrete Online Hashing with Balanced Similarity , AAAI, 2019.

2020IJCV_HMOH directory contains the source codes of our paper, i.e., Hadamard Matrix Guided Online Hashing , IJCV, 2020.

HMOH shows the best performance and is encouraged to compare.

Feel free to contact me at lmbxmu@stu.xmu.edu.cn