Human computer interaction Biometric identifications 3 Biometric recognition 3 Biometric verification 3 Biometrics 3 Decision trees 3 Eye movements 3 Eye tracking 3 Eye-tracking 3 Fixation semantic feature 3 Mobile and wearable eye tracking 3 Pedestrian navigation 3 Semantic features 3 Semantics 3 Stimulus-independent biometric recognition 3 Way finding 3 Wearable technology 3 biometric identification and verification 3 fixation semantic features 3 mobile and wearable eye tracking 3 pedestrian navigation 3 stimulus-independent biometric recognition 3 Binary images 1 Detection and tracking algorithms 1 Human robot interaction 1 Intelligent systems 1 Intelligent video surveillance 1 Key technologies 1 Martial art 1 Mobility aids for blind persons 1