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Table 4 Rank-1 recognition rate (%) of the different combinations of SR similarity graphs

From: A Grassmann graph embedding framework for gait analysis

Methods

SR variation 1a

SR variation 2b

SM + SRc

HK + SRd

Same views

100

100

100

100

 TR, all angles

 TT, all angles

Mixed views

97.58

97.18

96.77

96.89

 TR 2, 3, 4, 6, 8

 TT 2, 4, 6, 7, 9

Different views (interpolation)

93.95

94.58

92.16

92.98

 TR 2, 4, 6, 9

 TT 1, 3, 5, 8

Different views (extrapolation)

59.27

58.47

57.66

58.13

 TR 1, 2, 3, 4, 5

 TT 6, 7, 8, 9, 10

  1. The values in bold refer to the highest accuracy rate for each scenario. aLearns from a shared dictionary; blearns from class-specific dictionary; ccombination of simple-minded and SR methods; dcombination of heat kernel and SR methods.