The plurality of captured images are stored as original linages in the image storage unit. A display region to be displayed in an enlarging manner in the panoramic images is set. It is determined whether or not the display region is in an imaging range of the original image. In a case where NO is determined, the display region is trimmed from the panoramic image and displayed on the display unit in an enlarging manner, and in a case where it is determined that the display region is in an imaging range of the original image, a corresponding region corresponding to the display region is trimmed from the original image and displayed on the display unit.