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Table 4 Classification accuracies of 9-subjects across 6-filters using 3-feature combination for 6-classifiers

From: fNIRS-based Neurorobotic Interface for gait rehabilitation

Feature Accuracy (%)
S1/S2/S3 S4/S5/S6 S7/S8/S9
KNN LDA QDA NB SVM KNN LDA QDA NB SVM KNN LDA QDA NB SVM
SM, SP, SS 60.4 58.8 71.7 67.5 74.2 70.8 63.8 58.3 63.3 73.3 58.8 61.7 65.8 63.3 60.0
SM, SP, KR 52.5 52.9 60.0 62.1 65.8 54.2 68.8 64.2 63.3 75.0 65.0 58.8 59.2 65.4 51.7
SM, SP, SK 56.7 54.6 55.4 61.3 58.3 64.6 65.8 63.8 62.1 69.2 60.4 59.2 63.8 62.9 60.8
SM, SP, VR 57.9 50.0 57.1 57.5 60.8 63.8 66.7 66.3 65.8 73.3 57.9 59.6 62.5 62.9 56.7
SS, SP, SK 56.7 55.4 57.5 66.7 75.0 64.6 55.8 62.9 64.6 64.2 60.4 62.1 63.3 67.1 64.2
SP, KR, VR 52.1 52.5 56.7 60.4 55.8 54.2 67.1 62.9 66.3 75.8 65.0 64.6 66.7 67.5 63.3
SP, SS, VR 60.0 55.8 61.3 66.3 72.5 65.0 44.6 58.3 64.6 71.7 58.8 60.4 66.3 64.2 57.5
VR, SS, KR 52.9 50.4 60.8 67.5 69.2 55.4 62.1 60.4 66.3 77.5 65.0 64.6 65.0 66.7 63.3
VR, SS, SM 61.7 60.8 69.2 66.3 73.3 72.5 58.3 64.6 70.0 71.7 58.8 62.9 60.8 64.6 62.5
VR, SM, SK 57.5 53.3 54.2 56.7 60.0 62.5 65.8 66.7 67.5 68.3 60.4 57.9 67.5 65.4 61.7
VR, SM, KR 52.5 52.5 56.3 58.8 60.8 54.6 67.5 67.1 70.0 80.0 65.0 60.8 62.9 67.1 57.5
KR, SP, SS 52.1 54.2 65.0 67.5 68.3 54.2 65.8 59.6 62.5 73.3 65.0 61.3 63.3 63.3 61.7
KR, SM, SK 57.9 52.1 59.6 61.7 65.0 63.3 67.9 63.3 64.2 69.2 67.1 63.3 59.2 62.5 55.0
SS, SM, SK 57.5 55.4 64.6 68.3 67.5 63.3 65.8 61.3 65.0 63.3 60.4 59.6 61.7 63.3 60.8
SS, SK, KR 57.9 56.7 48.8 66.7 73.3 63.3 61.3 57.5 62.5 70.0 67.1 58.8 64.2 59.6 56.7
SS, SM, KR 52.5 55.8 68.8 67.1 68.3 54.6 68.3 63.8 64.2 67.5 65.0 64.6 65.4 66.3 59.2
SS, SK, VR 57.1 55.8 54.6 68.3 75.0 60.8 54.2 62.1 68.8 62.5 60.8 63.3 66.3 65.0 69.2
SK, VR, KR 57.9 51.3 47.1 60.0 49.2 63.3 62.1 58.8 64.6 68.3 67.1 64.2 65.0 64.6 68.3
SK, SP, KR 57.9 50.8 46.7 61.3 48.3 63.3 67.1 62.1 62.1 71.7 67.1 60.4 65.4 63.3 55.8
SK, VR, SP 56.7 50.8 54.2 55.8 45.8 64.6 56.7 62.5 67.9 70.8 60.4 62.1 64.2 67.1 59.2
SM, SP, SS 70.4 57.5 73.8 65.4 74.2 81.3 57.9 60.4 62.9 70.8 73.3 67.5 70.8 61.7 72.5
SM, SP, KR 55.8 55.0 70.8 65.8 71.7 56.7 50.8 65.8 62.1 63.3 53.3 60.0 59.6 59.2 64.2
SM, SP, SK 58.3 53.8 70.0 66.3 70.0 54.2 44.2 61.3 62.5 62.5 51.3 48.3 53.8 57.9 50.8
SM, SP, VR 67.9 54.2 72.5 62.1 76.7 64.2 47.1 62.9 60.0 65.0 60.8 54.6 58.8 61.3 66.7
SS, SP, SK 58.3 62.1 56.3 67.9 70.0 54.2 59.2 59.2 62.5 65.8 52.5 65.4 65.0 60.8 72.5
SP, KR, VR 55.4 54.2 62.5 60.8 60.0 55.0 53.3 57.1 60.4 55.8 52.1 57.9 62.5 61.7 62.5
SP, SS, VR 53.8 60.0 62.9 65.0 69.2 69.2 57.9 63.8 64.6 63.3 66.7 69.2 70.8 62.5 70.0
VR, SS, KR 54.2 60.8 50.0 65.8 64.2 53.3 59.2 58.8 61.3 68.3 52.9 72.5 68.8 65.4 67.5
VR, SS, SM 61.7 57.9 69.6 64.6 72.5 75.0 59.6 65.4 65.0 73.3 75.0 67.1 72.5 63.3 69.2
VR, SM, SK 58.3 54.6 70.4 65.4 71.7 56.3 46.3 62.5 60.0 65.8 50.0 49.6 60.8 60.8 65.8
VR, SM, KR 54.2 53.8 72.1 66.3 68.3 55.0 54.6 66.7 58.3 66.7 52.1 59.2 65.0 61.3 68.3
KR, SP, SS 55.4 60.8 51.3 63.8 64.2 54.6 55.4 57.9 62.9 68.3 52.1 70.4 70.0 60.4 70.8
KR, SM, SK 67.1 62.9 75.0 66.3 70.8 60.0 53.3 57.1 61.3 57.5 51.3 55.0 54.6 60.4 60.8
SS, SM, SK 58.3 62.1 63.8 70.0 70.0 56.3 59.6 59.2 64.2 67.5 50.0 68.3 70.0 62.9 73.3
SS, SK, KR 67.1 61.7 66.7 69.2 76.7 60.0 59.6 63.8 58.8 68.3 51.3 72.5 70.0 62.5 69.2
SS, SM, KR 54.2 60.0 59.2 65.8 70.0 55.0 59.2 63.8 61.3 70.8 52.1 69.2 71.7 63.8 78.3
SS, SK, VR 57.9 62.1 56.3 69.2 72.5 57.1 62.9 59.6 61.3 68.3 51.3 66.3 65.0 64.2 62.5
SK, VR, KR 67.1 57.1 73.3 62.9 68.3 60.0 55.4 56.7 59.6 60.0 51.3 54.2 61.3 62.1 67.5
SK, SP, KR 67.1 58.8 74.6 62.5 70.0 60.0 50.0 54.2 61.7 55.0 51.7 55.4 57.9 61.3 53.3
SK, VR, SP 58.3 51.7 56.7 60.4 59.2 54.2 53.3 61.7 61.3 61.7 52.5 51.3 61.7 61.3 60.8
SM, SP, SS 61.7 43.8 57.1 55.8 55.8 68.8 60.4 71.7 62.5 75.0 80.4 60.8 76.3 76.3 83.3
SM, SP, KR 56.7 38.8 56.3 56.7 61.7 57.5 56.3 57.9 56.3 55.0 71.3 65.4 65.4 74.6 80.0
SM, SP, SK 59.6 60.4 64.2 59.6 60.0 47.1 57.1 58.3 57.1 54.2 64.2 62.5 66.7 72.9 81.7
SM, SP, VR 57.1 62.9 64.2 55.0 58.3 57.1 62.1 64.6 62.1 53.3 73.8 62.9 63.8 63.8 77.5
SS, SP, SK 59.6 60.4 59.6 60.4 58.3 47.1 63.8 64.6 64.6 63.3 64.2 63.8 73.3 76.3 79.2
SP, KR, VR 56.7 56.3 56.3 49.6 59.2 57.9 62.9 65.0 62.1 53.3 71.3 65.8 69.6 67.9 77.5
SP, SS, VR 52.5 57.1 55.4 47.5 55.0 65.8 64.6 67.9 63.8 65.0 66.3 62.5 76.3 72.5 82.5
VR, SS, KR 55.4 56.7 53.8 51.3 58.3 58.3 62.5 67.5 65.4 80.0 71.3 66.3 72.1 70.8 77.5
VR, SS, SM 66.7 50.8 64.6 55.8 58.3 74.2 62.9 66.3 62.9 68.3 77.9 60.4 73.3 75.4 83.3
VR, SM, SK 59.6 62.1 65.4 58.8 60.8 47.5 58.8 58.8 62.1 56.7 65.8 63.3 67.9 72.1 82.5
VR, SM, KR 55.8 47.5 61.7 55.4 60.8 58.8 63.3 62.5 62.1 57.5 71.3 65.4 65.8 68.3 81.7
KR, SP, SS 56.7 42.1 54.2 60.4 58.3 57.9 60.4 65.4 66.7 69.2 71.3 67.1 72.1 72.9 80.8
KR, SM, SK 62.1 62.5 60.8 62.9 64.2 54.2 53.8 57.1 55.8 55.0 77.5 66.3 70.4 74.6 75.8
SS, SM, SK 59.6 60.0 66.7 59.6 60.8 47.5 57.1 51.7 61.7 65.0 65.8 66.3 68.3 78.3 85.8
SS, SK, KR 62.1 55.0 55.0 63.8 48.3 54.2 55.0 57.9 65.0 67.5 77.5 71.3 73.8 73.8 80.8
SS, SM, KR 55.8 46.7 62.9 58.3 56.7 58.8 56.7 64.6 64.2 65.0 71.3 70.8 70.4 77.1 86.7
SS, SK, VR 59.6 58.8 59.2 58.8 58.3 47.5 64.2 68.3 63.8 64.2 65.8 64.2 74.2 74.2 80.0
SK, VR, KR 62.1 59.2 58.3 58.3 64.2 54.2 60.4 65.0 61.3 60.0 77.5 68.8 70.8 70.4 77.5
SK, SP, KR 62.1 60.0 59.2 63.8 62.5 54.2 59.2 60.0 50.0 58.3 77.5 67.9 72.9 73.3 75.8
SK, VR, SP 59.6 57.5 53.3 57.1 60.8 47.1 59.6 62.9 62.1 52.5 64.2 60.4 67.9 71.3 80.0