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多参考平面的EPISM全息体视图

EPISM Holographic Stereogram with Multi-Reference Planes

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摘要

为了提高由有效视角图像切片嵌合(EPISM)方法获得的全息体视图再现像的质量,分析传统EPISM方法生成合成视差图像过程中的拼接错误,提出多参考面的EPISM方法。理论分析表明三维物体与算法参考面或者光轴重合部分的合成视差图像不存在误差,距离算法参考面或者光轴越远,合成视差图像的误差越大。减小采样相机的间隔可以在一定程度上减小误差。为了进一步改善EPISM方法,将传统EPISM方法的单个算法参考面拓展成多个,对生成的多组合成视差图像进行重新组合,最终得到更小误差的合成视差图像。仿真和光学实验结果表明,使用多参考面的EPISM方法可以有效提高全息体视图的成像质量。

Abstract

To improve the quality of the reconstructed image of the holographic stereogram obtaines by the effective viewing angle image slice mosaic (EPISM) method, the stitching error is analyzed during synthetic parallax image generation by the traditional EPISM method, and the EPISM method with multiple reference planes is proposed. Theoretical analysis shows that there are no mosaicking errors in the synthetic parallax image of the part that coincides with the algorithm reference plane or optical axis on the three-dimensional object. The farther away the image reconstruction happen from the algorithm reference plane or optical axis, the more significant the synthetic parallax image error became. Reduction of the sampling camera interval can reduce errors to a certain extent. To further improve the EPISM method, the single algorithm reference surface of the traditional EPISM method is expanded into multiple, and the generated multiple combinations are recombined into parallax images to eventually obtain a synthetic parallax image with less significant errors. Simulation and optical experiment results show that the EPISM method with multi-reference planes can effectively improve the imaging quality of holographic stereogram.

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中图分类号:O438.1

DOI:10.3788/CJL202047.0909001

所属栏目:全息与信息处理

基金项目:国家重点研发计划、国家自然科学基金、全国优秀博士学位论文作者专项资助;

收稿日期:2020-03-05

修改稿日期:2020-04-20

网络出版日期:2020-09-01

作者单位    点击查看

张腾:陆军装甲兵学院信息通信系, 北京 100072
闫兴鹏:陆军装甲兵学院信息通信系, 北京 100072
王晨卿:陆军装甲兵学院信息通信系, 北京 100072
刘云鹏:陆军装甲兵学院信息通信系, 北京 100072
蒋晓瑜:陆军装甲兵学院信息通信系, 北京 100072
韩超:中国人民解放军75773部队, 广东 珠海 519000

联系人作者:张腾(1641107498@qq.com)

备注:国家重点研发计划、国家自然科学基金、全国优秀博士学位论文作者专项资助;

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引用该论文

Zhang Teng,Yan Xingpeng,Wang Chenqing,Liu Yunpeng,Jiang Xiaoyu,Han Chao. EPISM Holographic Stereogram with Multi-Reference Planes[J]. Chinese Journal of Lasers, 2020, 47(9): 0909001

张腾,闫兴鹏,王晨卿,刘云鹏,蒋晓瑜,韩超. 多参考平面的EPISM全息体视图[J]. 中国激光, 2020, 47(9): 0909001

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