A device and method for easy correction of camera installation errors in a vehicle. A device comprises an input frame buffer receiving pixel data representing camera-generated images, a rearrangement table describing rules for rearrangement of the pixel data, an error-correction table describing rules for adjusting the pixel data to correct an installation error of the cameras, an output frame buffer receiving rearranged pixel data for display and a controller reading the pixel data from the input frame buffer, rearranging the pixel data based on the rearrangement and/or the error-correction table and storing rearranged pixel data in the output frame buffer. The method includes preparing plural error-correction tables corresponding to a magnitude of an installation error, displaying the composite image and correcting the installation error using at least one of the error-correction tables as a reference for a respective image used to create the composite image.