Fast generation of three-dimensional video holograms by combined use of data compression and lookup table techniques

被引：58
|
作者：
Kim, Seung-Cheol [1 ]
Yoon, Jung-Hoon [1 ]
Kim, Eun-Soo [1 ]
机构：
[1] Kwangwoon Univ, Dept Elect Engn, Display Res Ctr 3D, Seoul 139701, South Korea
来源：
APPLIED OPTICS | 2008年 / 47卷 / 32期
关键词：
D O I：
10.1364/AO.47.005986
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Even though there are many types of methods to generate CGH (computer-generated hologram) patterns of three-dimensional (3D) objects, most of them have been applied to still images but not to video images due to their computational complexity in applications of 3D video holograms. A new method for fast computation of CGH patterns for 3D video images is proposed by combined use of data compression and lookup table techniques. Temporally redundant data of the 3D video images are removed with the differential pulse code modulation (DPCM) algorithm, and then the CGH patterns for these compressed videos are generated with the novel lookup table (N-LUT) technique. To confirm the feasibility of the proposed method, some experiments with test 3D videos are carried out, and the results are comparatively discussed with the conventional methods in terms of the number of object points and computation time. (c) 2008 Optical Society of America
引用
收藏
页码：5986 / 5995
页数：10
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