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Extending the depth-of-field and ranging the scene with a shifted phase mask
Zhou, Liang; Shan, Qiusha; Liu, Zhaohui; She, Wenji
2018
会议名称5th Conference on Frontiers in Optical Imaging Technology and Applications, FOI 2018
会议录名称Fifth Conference on Frontiers in Optical Imaging Technology and Applications, FOI 2018
卷号10832
会议日期2018-07-25
会议地点Hefei, China
出版者SPIE
产权排序1
摘要Since the concept of wavefront coding was proposed, many types of phase masks have been reported to extend the depth-of-field of imaging system. Unfortunately there exist some unpleasant image artifacts in the final decoded images, especially for asymmetric phas1 e masks. In this paper, we illustrate a technique that involve shifting a phase mask laterally in pupil plane to introduce axial defocus to an imaging system, which can further be used to determine the defocus map according to the amount of image artifacts. This eventually enables recovery of extended depth-of-filed, artifacts-free decoded images together with a range map. Theoretical analyses and experimental results indicate the effectiveness of this method. Copyright © 2018 SPIE.
作者部门光电测量技术实验室
DOI10.1117/12.2506453
收录类别EI
ISBN号9781510622890
语种英语
ISSN号0277786X;1996770X
EI入藏号20185106252537
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31128
专题光电测量技术实验室
通讯作者Zhou, Liang
作者单位Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
推荐引用方式
GB/T 7714
Zhou, Liang,Shan, Qiusha,Liu, Zhaohui,et al. Extending the depth-of-field and ranging the scene with a shifted phase mask[C]:SPIE,2018.
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