1. A stereoscopic image editing apparatus for editing a stereoscopic image composed of a left-eye image and a right-eye image displayed on a display into a stereoscopic image having a stereoscopic effect desired by a user, the stereoscopic image editing apparatus comprising: a storage section for storing therein the stereoscopic image; a compression/decompression section for converting the stereoscopic image stored by the storage section to a format displayable on the display; an operation section for allowing the user to specify a crop-edit region, and set a fiducial disparity, which is a disparity of a frame itself of the crop-edit region, with respect to the left-eye image and the right-eye image of the stereoscopic image which are displayed on the display; a cropping and editing section for cropping and editing the left-eye image and the right-eye image of the stereoscopic image which are displayed on the display, based on the crop-edit region specified by the user; and a crop-edit region correcting section for correcting the crop-edit region with respect to the cropped and edited left-eye image and the cropped and edited right-eye image, based on the fiducial disparity set by the user.