1. A computer-implemented method for selecting a representative image from a group of digital images of a particular person, the method comprising: extracting, by a computing device and using a face recognition algorithm, data representing a facial expression of the particular person from each image in the group; determining, by the computing device and using the data, a score for each image in the group based on one or more quality parameters that are satisfied for each image; selecting, by the computing device, an image in the group having a maximum score as the representative image for the group; adding, by the computing device, a new image of the particular person to the group, wherein the new image is acquired and added to the group after the representative image is selected; extracting, by the computing device and using the face recognition algorithm, new data representing a new facial expression of the particular person from the new image; determining, by the computing device and using the new data, a score of the new image based on one or more quality parameters that are satisfied for the new image; determining that the score for the new image is greater than the maximum score associated with the representative image; and selecting, by the computing device, the new image as a new representative image for the group.