Euclidean distance 6 Clustering algorithms 2 Acoustic Stimulation 1 Adult 1 Affinity propagation (AP) 1 Anomaly detection 1 Aspect 1 Authentication 1 Biofeedback 1 Biofeedback, Psychology 1 Bright images 1 Center detection 1 Clinical population 1 Clinical practices 1 Clinical research 1 Clusterings 1 Collaborative filtering 1 Computer science 1 Costs 1 Dark image 1 Data dimension arrangement 1 Euclidean Distance 1 Female 1 Filtering performance 1 Histogram of gradient (HOG) 1 Humans 1 Image conditions 1 K-means clustering 1 K-means++ clustering 1 Language 1