Abstract:
A health state determining method is disclosed, which includes receiving a facial image of a user, obtaining at least one user database (DB) image corresponding to the facial image, and determining a health state of the user by comparing the facial image to the at least one user DB image.
Abstract:
A method of determining a facial expression type may include extracting feature points representing facial characteristics from a facial image of a user; grouping the extracted feature points into a plurality of regions; and determining a facial expression type for each of a plurality of groups using feature points and a facial expression type function corresponding to each of the groups.