利用连通域标记法消除光学扫描全息离焦噪声的实验研究

被引:6
作者
伊少梁
周昕
李金玺
李怀东
机构
[1] 四川大学电子信息学院
关键词
随机相位编码; 光学扫描全息; 连通域标记法; 离焦噪声; 聚焦层图像;
D O I
10.19519/j.cnki.1672-3392.2019.01.010
中图分类号
TP391.41 [];
学科分类号
摘要
为了消除光学扫描全息系统重建图像的离焦噪声,采用了随机相位编码和连通域标记方法。该方法利用了基于随机相位编码的光学扫描全息方法在聚焦层图像上的离焦噪声比传统的光学扫描全息方法更为分散的特点。只要选取合适的阈值,基于随机相位编码的光学扫描全息重建图像的离焦噪声就可以消除,而传统的光学扫描全息仍然存在较多的离焦噪声。实验结果表明该方法可以得到更好的重建图像效果。
引用
收藏
页码:51 / 55+62 +62
页数:6
相关论文
共 18 条
[1]
Characterization of plasmonic nanoantennas by Holographic Microscopy and Scanning Near-field Microscopy.[J].Ariadna Martinez-Marrades;Léo Greusard;Yannick De Wilde;Natalie Bardou;Stéphane Collin;Marc Guillon;Gilles Tessier.Optics Communications.2016,
[2]
Defocus noise suppression with combined frame difference and connected component methods in optical scanning holography [J].
Ou, Haiyan ;
Pan, Huiyu ;
Lam, Edmund Y. ;
Wang, Bing-Zhong .
OPTICS LETTERS, 2015, 40 (17) :4146-4149
[3]
Novel optical scanning cryptography using Fresnel telescope imaging [J].
Yan, Aimin ;
Sun, Jianfeng ;
Hu, Zhijuan ;
Zhang, Jingtao ;
Liu, Liren .
OPTICS EXPRESS, 2015, 23 (14) :18428-18434
[4]
Innovative measurement of parallelism for parallel transparent plate based on optical scanning holography by using a random-phase pupil [J].
Zhang Luo-zhi ;
Hu Jian-ping ;
Wan Dao-ming ;
Zeng Xing ;
Li Chun-miao ;
Zhou Xin .
APPLIED OPTICS, 2015, 54 (09) :2483-2488
[5]
Optical encryption of unlimited-size images based on ptychographic scanning digital holography [J].
Gao, Qiankun ;
Wang, Yali ;
Li, Tuo ;
Shi, Yishi .
APPLIED OPTICS, 2014, 53 (21) :4700-4707
[6]
Combination of the resolution enhancing image inversion microscopy with digital holography.[J].Daniel Weigel;Tino Elsmann;Holger Babovsky;Armin Kiessling;Richard Kowarschik.Optics Communications.2012,
[7]
Multiple-image encryption by compressive holography [J].
Di, Hong ;
Zheng, Kangfeng ;
Zhang, Xin ;
Lam, Edmund Y. ;
Kim, Taegeun ;
Kim, You Seok ;
Poon, Ting-Chung ;
Zhou, Changhe .
APPLIED OPTICS, 2012, 51 (07) :1000-1009
[8]
Sectional image reconstruction in optical scanning holography using a random-phase pupil [J].
Xin, Zhou ;
Dobson, Kelly ;
Shinoda, Yukitaka ;
Poon, Ting-Chung .
OPTICS LETTERS, 2010, 35 (17) :2934-2936
[9]
Three-dimensional microscopy and sectional image reconstruction using optical scanning holography [J].
Lam, Edmund Y. ;
Zhang, Xin ;
Vo, Huy ;
Poon, Ting-Chung ;
Indebetouw, Guy .
APPLIED OPTICS, 2009, 48 (34) :H113-H119
[10]
Reconstruction of sectional images in holography using inverse imaging [J].
Zhang, Xin ;
Lam, Edmund Y. ;
Poon, Ting-Chung .
OPTICS EXPRESS, 2008, 16 (22) :17215-17226