1. A method for processing an image in an apparatus having a camera, the method comprising: displaying an image having a first aspect ratio on a display having a second aspect ratio different from the first aspect ratio; in response to detecting a signal indicating that a crop mode is selected, identifying, by a control unit, a face area in the image; setting a crop mark according to the identified face area, the crop mark being configured to circumscribe the identified face area; displaying the crop mark; in response to detecting a signal requesting to store a crop image, expanding the crop mark, by a predetermined ratio, to include a margin for the crop mark; and storing the crop image by cropping the image according to the expanded crop mark when a crop execution is requested, wherein an aspect ratio of the crop image is identical to the first aspect ratio.