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Table 3 The MAP of different hashing methods for mobile visual search based location recognition

From: Deep learning hashing for mobile visual search

Method

MAP

 

16-bits

32-bits

64-bits

128-bits

VHB [81]

-

-

19.36%

-

SSFS [77]

-

-

20.22%

-

DLBH+QCNN

59.80%

78.68%

87.15%

90.67%

SSDH+QCNN

78.26%

91.82%

92.43%

93.21%