The invention intends, in preparing so-called ID photograph by cutting out
an area from the image of a person, to obtain an appropriate area with
simple operations. The method the invention comprises a designation step
s201 of designating a rectangle circumscribed about a face area on an
original image including a human face, an acquisition step s202 of
acquiring the vertical length and the horizontal length of the rectangle
designated by the designation step, and a determination step s203 of
determining a cutout area including the face area, based on the vertical
length and the horizontal length.