It is possible to generate a panoramic moving image with a high combination performance while suppressing a calculation amount. The positional-shift-amount acquisition unit acquires positional shift amounts of a predetermined number of frames from a first moving image and a second moving image captured by cameras, each of the first and second moving images including a plurality of frames. The frame selection unit selects the predetermined number of frames from the plurality of frames. For example, the frame selection unit selects the predetermined number of frames on the basis of sensor output and/or image processing results. An image combination unit combines the first moving image and the second moving image on the basis of the positional shift amounts of the predetermined number of frames to obtain a panoramic image.