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Practice Listening: Fill in the Blanks (Type In)
ID: #33466
Short
Facial Expression
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Is that person really glad to see me? Or are they just polite? Some people struggle to distinguish a grin from a truly happy smile. And computers have found this task even more difficult, that is, until researchers a program to detect when a smile is genuine.
Visual computing researchers at the University of Bradford in the U.K. started with software for a changing facial expression. This program can examine a video clip of a human head and identify specific around the eyes, cheeks and mouth. Then the program tracks the details moving relative to each other as the face smiles. Next, the scientists had their program two sets of video clips. In one, subjects performed posed smiles.
Visual computing researchers at the University of Bradford in the U.K. started with software for a changing facial expression. This program can examine a video clip of a human head and identify specific around the eyes, cheeks and mouth. Then the program tracks the details moving relative to each other as the face smiles. Next, the scientists had their program two sets of video clips. In one, subjects performed posed smiles.
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