1. A method comprising: providing a plurality of protocol, the plurality of protocol including an individual protocol as a guide to acquire external visual images, the individual protocol specifying a posture, a position, a pose, a movement, a lighting, a time, a body part, a distance, or a combination thereof; acquiring the external visual images based on the individual protocol; storing the external visual images; displaying the plurality of protocol as a selection tool for displaying the external visual images; detecting a selection of the individual protocol; and displaying the external visual images acquired with the individual protocol based on the individual protocol being selected.