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Fig. 4. Screenshot of web experiment. Flash movie shows animation from a neutral expression
to one of 18 combined expressions shown randomly. Subjects rated perceived emotion of each
combined expression on 6-point Likert scale.
3 Results
3.1 Analysis of Perceived Emotions by Facial Regions
The participant answers about the perceived emotions are shown in Fig. 5. By
focusing on the shape of either the eye or mouth regions, the combined expressions
were placed into four categories: happy eyes, sad eyes, happy mouth, and sad mouth.
For example, the happy eyes category includes happy eyes and neutral mouth and
happy eyes and sad mouth expressions.
First, we focused on the answers by facial categories regardless of the country. As
shown in Fig. 5, the happy mouth category was rated the happiest and the sad mouth
category was rated the saddest in all categories by both countries. The eye region
(happy eyes/sad eyes) did not convey the intended emotions as effectively as the
mouth region (happy mouth/sad mouth).
Second, we focused on the answers between Hungary and Japan. Japanese rated
the happy eyes category as significantly happier than Hungarians regardless of the
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