A non-diffracting image restoration based on multiple images fusion

被引：3
作者：
Zhai, Zhongsheng [1 ,2 ]
Zhang, Piao [1 ,2 ]
Lv, Qinghua [3 ]
Wang, Xuanze [1 ,2 ]
Zhong, Xing [1 ,2 ]
机构：
[1] Hubei Univ Technol, Sch Mech & Engn, Wuhan 430074, Hubei, Peoples R China
[2] Hubei Key Lab Manufacture Qual Engn, Wuhan, Peoples R China
[3] Hubei Univ Technol, Sch Sci, Wuchang, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2013年 / 295卷
基金：
中国国家自然科学基金;
关键词：
Axicon; Non-diffracting beams; Multiple images fusion; Image restoration; HIGH FOCAL DEPTH; EXTENDED DEPTH; HIGH-RESOLUTION; FIELD; SYSTEMS; ABERRATION; AXICON; FOCUS;
D O I：
10.1016/j.optcom.2012.12.096
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Axicon, a useful optical element for generating non-diffracting beams, can extend the depth of field of imaging system, and the acquired images are insensitive to out of focus. However the images are not clear as well as low contrast. By analyzing the imaging characteristics of the non-diffracting imaging system and the properties of the point spread function, we present an image restoration method of multiple images fusion. It can reduce the influence of random noise and improve the high frequency part of the image. Experimental results show that this method can effectively enhance image detail and realize clear imaging within the large depth of field. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 78
页数：5
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