1. A composite image output apparatus characterized by comprising: a picked-up scene image acquiring unit ( 17 ) which acquires a picked-up scene image representing a scene containing at least one object; a target image extracting unit ( 11 ) which extracts a target image representing any particular one of the at least one object from the picked-up scene image acquired by said acquiring unit; a corresponding-image obtaining unit ( 11 ) which obtains an image corresponding to the target image extracted by said extracting unit; and an image outputting unit ( 11 , 20 ) which adds the image obtained by said obtaining unit to the picked-up scene image acquired by said picked-up scene image acquiring unit and outputs a resulting composite image.