1. An image processing apparatus comprising: a move detecting unit that detects a movement of a subject contained in a moving image from a plurality of frame images, based on an image signal that indicates the moving image from the plurality of frame images, and delay time information that indicates a delay time of an image pickup; a correcting unit that corrects the image signal, based on the image signal and movement information that indicates the detected movement of the subject; and a delay time calculating unit that calculates the delay time information for each pixel, based on an image pickup parameter of an image pickup apparatus that has an image pickup element that sequentially picks up an image for each line of the moving image.