1. A method comprising: receiving, by an image calibration system, data representative of an input camera image; detecting, by the image calibration system, a face of a person represented in the input camera image; determining, by the image calibration system, a predefined skin tone template associated with the person; and modifying, by the image calibration system, the input camera image to change an appearance of the face of the person based on the predefined skin tone template associated with the person.