Robust Image Hashing with Low-Rank Representation and Ring Partition

Table 3

Performance comparisons among different algorithms (text in italic is the best result).

Algorithm	AUC	Average time (s)	Hash length (bit)
CVA-DWT hashing	0.97563	0.05	960
SVD-CSLBP hashing	0.74522	0.19	2048
Random walk-based hashing	0.95758	0.02	144
Hybrid feature-based hashing	0.97545	6.12	3328
Our hashing	0.99069	29.36	384