Figure 2. Emotion mimicking data processing: 1. Data recording in threefold frames (stimuli/3D screenshot/RGB screenshot); 2. The facial emotions accuracy during the experiment (red-neutral, green-fear, navy blue-anger, pink-sad, yellow-disgust, blue-happy, black-surprise) 3. Facial emotional reaction to one stimuli (left) and the distribution of the happy facial emotional reaction during the whole experiment (right).