| 摘要 |
PROBLEM TO BE SOLVED: To make classification of neutral facial expressions easy, and to improve accuracy of facial expression classification.SOLUTION: A facial expression analyzing device includes: a facial region extraction unit 20 which extracts a facial analysis region from image data captured by an image data acquisition unit 10; an image feature quantity analysis unit 30 which calculates the image feature quantity in the analysis region; a facial expression intensity evaluation unit 40 which generates a first facial image feature vector by executing first cluster classification processing with respect to the image feature quantity, and calculates a facial expression intensity value that is a distance from a predetermined first boundary surface to the first facial image feature vector; and a facial expression evaluation unit 50 which generates a second facial image feature vector by executing a second cluster classification processing with respect to the image feature quantity, and generates a facial expression type information which shows the facial expression type corresponding to the analysis region, on the basis of a positional relationship of the second facial image feature vector with respect to a predetermined second boundary surface and the facial expression intensity value. |
