1. A camera comprising: an imaging section which detects a subject image signal of a subject; a backlighting state judgment section which determines whether the subject is backlit; a strobe unit which emits strobe light onto the subject in accordance with an output of the backlighting state judgment section; and an image processing section which: (i) compares a brightness of the subject with a brightness of a background of the subject when the strobe unit emits the strobe light onto the subject, (ii) changes an amount of correction by at least one of a gamma conversion process and a contour emphasizing process based on a result of the comparison, and (iii) processes the subject image signal detected by the imaging section.