Improved Deep Hashing with Scalable Interblock for Tourist Image Retrieval

Table 3

The value of MAP for different methods on the public datasets.

Method	Cifar-10				Flickr30
	12 bits	24 bits	32 bits	48 bits	12 bits	24 bits	32 bits	48 bits
ITQ	0.264	0.282	0.288	0.295	0.577	0.580	0.581	0.580
LSH	0.183	0.164	0.161	0.162	0.557	0.564	0.562	0.569
PCAH	0.157	0.164	0.162	0.170	0.588	0.596	0.604	0.601
SH	0.183	0.164	0.161	0.161	0.561	0.562	0.563	0.562
DSH	0.303	0.337	0.346	0.356	0.678	0.697	0.689	0.685
CNNH	0.439	0.511	0.509	0.522	0.667	0.688	0.654	0.626
DLBHC	0.553	0.580	0.578	0.557	0.692	0.710	0.703	0.707
DNNH	0.571	0.588	0.589	0.595	0.739	0.752	0.753	0.755
Ours	0.613	0.648	0.654	0.663	0.828	0.837	0.835	0.840