Integral imaging is a useful tool in capturing and reproducing three-dimensional information of the object. In this paper, we analyze the frequency characteristics of the light ray field captured by integral imaging technique. Correspondence between a depth plane and frequency domain representation of the captured light ray field is identified and filtering operation is performed. By the proposed method, various manipulation of the captured three-dimensional information can be implemented including depth pass filtering, depth rejection filtering, and view generation of depth filtered three-dimensional information.
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