1. An image processing device for displaying first images of a plurality of frames which form a moving image of an object, comprising: a storage unit adapted to store first image data of a plurality of frames for displaying the first images of the plurality of frames, and to store a plurality of evaluation values associated with the first image data of the plurality of frames; a display unit including a first display area and a second display area; a control unit adapted to display, in the first display area, the first images based on the first image data of the respective frames stored in the storage unit, select the first image data of some frames, out of the first image data of the plurality of frames based on the plurality of evaluation values stored in the storage unit, create second image data corresponding to the first image data of the selected frames, and display, in the second display area, a second image based on the created second image data; and an operation unit adapted to be operated by a user, such that the user operates the operation unit for selecting the second image being displayed in the second display area, wherein the plurality of evaluation values are values which are varied according to a state of the object, the second image is images equivalent to the corresponding first image, and the control unit is adapted to, when the second image has been selected though the operation unit, display the first image corresponding to the selected second image, in the first display area.