1. An image processing device for correcting frame picture data in accordance with a correction parameter, comprising: a generation unit operable to generate frame feature data indicating features of an edge image shown in the frame picture data; a calculation unit operable to calculate, from each of pixel blocks constituting the frame picture data, a motion vector indicating a movement between the frame picture data and previous frame picture data; a region specification unit operable to, in accordance with motion vectors calculated from the pixel blocks, specify a region to be masked in the frame feature data; and a detection unit operable to detect the correction parameter from an unmasked region of the frame feature data.