1. An image processing apparatus comprising: a feature amount calculation unit that calculates a feature amount from input image data; a scene determination unit that determines a scene of the input image data based on the feature amount; a first calculation unit that calculates a first scene reliability of the scene determined by the scene determination unit based on the feature amount, a feature amount of a representative point of the scene determined by the scene determination unit, and a weight of the representative point; and a correction unit that performs correction processing on the input image data, in correspondence with the scene determined by the scene determination unit and the first scene reliability calculated by the first calculation unit.