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Efficient Generation of 3-D Video Holograms Using Temporal-Spatial Redundancy of 3-D Moving Images
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 Title & Authors
Efficient Generation of 3-D Video Holograms Using Temporal-Spatial Redundancy of 3-D Moving Images
Kim, Dong-Wook; Koo, Jung-Sik; Kim, Seung-Cheol; Kim, Eun-Soo;
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 Abstract
In this paper, a new method to efficiently generate the 3-D(three-dimensional) video holograms for 3-D moving scenes, which is called here the TSR-N-LUT method, is proposed by the combined use of temporal-spatial redundancy(TSR) of 3-D video images and novel look-up table(N-LUT) technique. That is, in the proposed scheme, with the differential pulse code modulation (DPCM) algorithm, temporally redundancy redundant data in the inter-frame of a 3-D video images are removed between the frames, and then inter-line redundant data in the inter-frame of 3-D video images are also removed by using the DPCM method between the lines. Experimental results show that the proposed method could reduced the number of calculated object points and the calculation time of one object point by 23.72% and 19.55%, respectively on the average compared to the conventional method. Good experimental results with 3-D test moving pictures finally confirmed the feasibility of the proposed method to the fast generation of CGH patterns of the 3-D video images.
 Keywords
CGH;N-LUT;TR-N-LUT;LR-N-LUT;DPCM;
 Language
Korean
 Cited by
 References
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