Abstract: The paper describes the principle of a 3D grating image display which is different from the real objective 3D hologram. This 3D grating image uses the cues that normally present in everyday human stereo perception and is based on the theory of grating patterns. Two methods are described and analyzed. The result is that the two methods are same in nature. The architecture for realizing full-color 3D grating image display is also given.!5
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