Abstract: The image processing method and apparatus display a processed image on a monitor as it is reproduced from processed image data obtained by performing specified processing schemes on input image data obtained from a picture optically taken with a taking lens, designate a portion of the processed image on the monitor to create a designated area in accordance with a state of an aberration in the processed image due to the taking lens, determine a corrective value for correcting the aberration based on an information in the input image data for the designated area and correct, based on the corrective value, the aberration on the input image data obtained from the picture and outputting the corrected image data.