Figure. 2. Examples of Angry from different races. (A,B) African. (C,D) Asian. (E,F) Caucasian.-Impact of Ethnic Group on Human Emotion Recognition Using Backpropagation Neural Network
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We chose 46 points which are distributed over human face image and use these points for
features extraction. The choice of these points is to determine the shape of each element of the face
(eyes, eyebrows and mouth), because the shape of these elements is changeable for each emotion,
but these changes are different for each race as shown in Figure 2.