A method of playing back an image in a display device obtains a stereo image corresponding to both eyes of a user including a left eye and a right eye, obtains positions of the eyes determines warping transform information corresponding to the positions of the eyes based on a database (DB) provided in advance based on a curvature of an display plane of the display device, warps the stereo image by applying the warping transform information to the stereo image, determines pixel values of a display panel included in the display device from the warped stereo image by performing light field rendering based on the positions of the eyes, and reproduces the determined pixel values on the display panel.