1. An image processing apparatus, the image processing apparatus comprising: an extraction unit configured to extract a feature amount from information recorded on a recording medium; an acquisition unit configured to acquire an identification image identifying an operator of the image processing apparatus; a storage unit configured to store the feature amount and the identification image, wherein the identification image is associated with the feature amount; a search unit configured to compare a feature amount extracted from a predetermined medium by the extraction unit with the feature amount stored in the storage unit, wherein, based on a result of the comparison, the identification image associated with the feature amount stored in the storage unit is associated with the predetermined medium; and an output unit configured to output the identification image associated with the predetermined medium.