Introduction Existing Methods Multimodal Methods b带ch sky b带atmosph带rw fly white Back feathers sum4r气ct green角old sky sky Animal o Multi-source hashing ●Cross-modal hashing 口卡得三·4元互Q0 Li (http://cs.nju.edu.cn/lvj) Learning to Hash LAMDA,CS.NJU 14 /43Introduction Existing Methods Multimodal Methods Multi-source hashing Cross-modal hashing Li (http://cs.nju.edu.cn/lwj) Learning to Hash LAMDA, CS, NJU 14 / 43