Apparatus and method for presenting display of 3D image using head tracking

Using the user's head tracking the three-dimensional display device that can display a three-dimensional image from the user's point of view is provided. The stereoscopic image display device, the calculated user location from the reference point and outputs the 3D content transmitted from the server in accordance with the computed user position from the image processing unit and image processing unit for outputting three-dimensional image by image processing to the user's point of view 3 and a display unit to display dimensional image to the user. Three-dimensional image, the user's point of view, the head positioning