1. An image display method comprising: recognizing, by an image display device, at least one object included in an image that is captured by a camera of the image display device or stored in a memory of the image display device; displaying, by the image display device, at least one icon corresponding to the at least one object; receiving, by the image display device, a touch input on the at least one icon; selecting, by the image display device, at least one target image among a group of images captured by the camera of the image display device or stored in the memory of the image display device, based on whether the at least one target image includes the same or substantially the same object as an object corresponding to the at least one icon on which the touch input is received; and displaying at least one target thumbnail of the at least one target image.