A lighting apparatus that is adapted to project irradiation light toward an irradiation target object having an arbitrary shape, comprising: irradiation light signal inputting means for receiving an irradiation light signal; coating correcting means (12, 13) for correcting the irradiation light signal received by the irradiation light signal inputting means so that the irradiation target object can be coated with the irradiation light when the irradiation light is irradiated onto the irradiation target object; and irradiation light projecting means for projecting the irradiation light onto the irradiation target object by using the irradiation light signal corrected by the coating correcting means (12, 13), wherein the irradiation light includes coating light that coats the irradiation target object, and background light that becomes a background of the irradiation target object, the coating correcting means (12, 13) is adapted to correct the irradiation light signal so as to correct an outline of the coating light in the irradiation light, and the coating correcting means (12, 13) includes: first coating correcting means for correcting the irradiation light signal so as to cut the outline of the coating light in the irradiation light in conformity with the shape of the irradiation target object; characterized in that the coating correcting means (12, 13) further includes second coating correcting means for correcting the outline of the coating light, the outline being cut by the first coating correcting means, by implementing parallel displacement conversion and rotational displacement conversion of the irradiation light signal corrected by the first coating correction means, in response to a positional relationship between an origin position of the irradiation target object and the irradiation light projecting means, in the case where an optical axis of the irradiation light projecting means shifts from the origin position of the irradiation target object, so that the coating light is projected only onto the irradiation target object even if the irradiation light from irradiation light projecting means is projected in an arbitrary direction onto the irradiation target object. irradiation light signal inputting means for receiving an irradiation light signal; coating correcting means (12, 13) for correcting the irradiation light signal received by the irradiation light signal inputting means so that the irradiation target object can be coated with the irradiation light when the irradiation light is irradiated onto the irradiation target object; and irradiation light projecting means for projecting the irradiation light onto the irradiation target object by using the irradiation light signal corrected by the coating correcting means (12, 13), wherein the irradiation light includes coating light that coats the irradiation target object, and background light that becomes a background of the irradiation target object, the coating correcting means (12, 13) is adapted to correct the irradiation light signal so as to correct an outline of the coating light in the irradiation light, and the coating correcting means (12, 13) includes: first coating correcting means for correcting the irradiation light signal so as to cut the outline of the coating light in the irradiation light in conformity with the shape of the irradiation target object; characterized in that the coating correcting means (12, 13) further includes second coating correcting means for correcting the outline of the coating light, the outline being cut by the first coating correcting means, by implementing parallel displacement conversion and rotational displacement conversion of the irradiation light signal corrected by the first coating correction means, in response to a positional relationship between an origin position of the irradiation target object and the irradiation light projecting means, in the case where an optical axis of the irradiation light projecting means shifts from the origin position of the irradiation target object, so that the coating light is projected only onto the irradiation target object even if the irradiation light from irradiation light projecting means is projected in an arbitrary direction onto the irradiation target object. first coating correcting means for correcting the irradiation light signal so as to cut the outline of the coating light in the irradiation light in conformity with the shape of the irradiation target object; characterized in that the coating correcting means (12, 13) further includes second coating correcting means for correcting the outline of the coating light, the outline being cut by the first coating correcting means, by implementing parallel displacement conversion and rotational displacement conversion of the irradiation light signal corrected by the first coating correction means, in response to a positional relationship between an origin position of the irradiation target object and the irradiation light projecting means, in the case where an optical axis of the irradiation light projecting means shifts from the origin position of the irradiation target object, so that the coating light is projected only onto the irradiation target object even if the irradiation light from irradiation light projecting means is projected in an arbitrary direction onto the irradiation target object.