Phase-diverse speckle imaging with two cameras

WANG Bin; WANG Zong-yang; WANG Jian-li; ZHAO Jin-yu; WU Yuan-hao; ZHANG Shi-xue; DONG Lei

doi:10.3788/OPE.20111906.1384

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Phase-diverse speckle imaging with two cameras

Article | 更新时间：2020-08-12

- Phase-diverse speckle imaging with two cameras
- Optics and Precision Engineering Vol. 19, Issue 6, Pages: 1384-1390(2011)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春 130033
  2. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111906.1384
  CLC： O436.1;TP391.4
- Received：12 October 2010，
  
  Revised：29 October 2010，
  
  Published Online：25 June 2011，
  
  Published：25 June 2011
- 稿件说明：
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王斌, 汪宗洋, 王建立, 赵金宇, 吴元昊, 张世学, 董磊, 文明. 双相机相位差异散斑成像技术[J]. 光学精密工程, 2011,19(6): 1384-1390

WANG Bin, WANG Zong-yang, WANG Jian-li, ZHAO Jin-yu, WU Yuan-hao, ZHANG Shi-xue, DONG Lei, WEN Ming. Phase-diverse speckle imaging with two cameras[J]. Editorial Office of Optics and Precision Engineering, 2011,19(6): 1384-1390
王斌, 汪宗洋, 王建立, 赵金宇, 吴元昊, 张世学, 董磊, 文明. 双相机相位差异散斑成像技术[J]. 光学精密工程, 2011,19(6): 1384-1390 DOI： 10.3788/OPE.20111906.1384.

WANG Bin, WANG Zong-yang, WANG Jian-li, ZHAO Jin-yu, WU Yuan-hao, ZHANG Shi-xue, DONG Lei, WEN Ming. Phase-diverse speckle imaging with two cameras[J]. Editorial Office of Optics and Precision Engineering, 2011,19(6): 1384-1390 DOI： 10.3788/OPE.20111906.1384.

摘要

开展了用相位差异散斑技术实现图像采集和图像恢复的实验

在实验室环境下设计了针对扩展目标的相位差异散斑成像双相机实验平台。用两台外触发模式的相机同步采集焦面和指定离焦面上的短曝光图像

用变形镜构造光学系统误差

用强力热吹风机模拟大气湍流。分析了用多台相机与单台相机相比引入的不同问题

给出了多通道之间相面旋转问题的处理方法和多通道之间读出噪声不一致时的相位差异散斑法的目标函数;验证了相位差异散斑法提高图像分辨率的能力。分别用采集到的单帧

3帧

10帧图像进行PDS运算并分析结果

与基本的相位差异法相比

多帧相位差异散斑成像所恢复的图像质量有很大的提高。

Abstract

Image capaturing and image restoration implentmented by Phase-diverse Speckle(PDS) were researched in this paper.A PDS experimental platform with two cameras was designed for the extended object in our lab. Two cameras were taken to capture the short-expose images in focus and defocus simultaneously and a deformable mirror was used to construct optics system error.Then an electrical dryer was used to simulate the atmosphere turbulence. The problems from the two cameras were compared with that from single camera. Furthermore

the PD destination function was derived when the two cameras have different readout noises and how to solve the image rotation between the multi-channels was given. Finally

the capability of PDS method for image resolution improvement was validated. The PDS processes by single frame

3 frames and 10 frames were execussed

respectively

and results show that the PDS technique can generate images with highly improved quality compared with the traditional PD method.

关键词

Keywords

references

ROGGEMANN M C, WELSH B M. Imaging Through Turbulence[M]. Washington: CRC Press, 1996.[2] SELDIN J H, PAXMAN R G. Phase-diverse speckle reconstruction of solar data .Image Reconstruction and Restoration, Proc. SPIE, 1994, 2302:268-280.[3] 吴元昊,王斌,赵金宇,等. 利用相位差异技术恢复宽带白光图像[J]. 光学精密工程,2010,18(8):1849-1854. WU Y H, WANG B, ZHAO J Y, et al.. Restoration of broadband white light image using phase diversity technique[J]. Opt. Precision Eng., 2010,18(8):1849-1854.(in Chinese)[4] PAXMAN R G, SCHULZ T J, FIENUP J R. Joint estimation of object and aberrations by using phase diversity[J]. Opt.Soc.Am., 1992,A9:1072-1085.[5] PAXMAN R G, SELDIN J H, L FDAHL M G, et al.. Evaluation of phase-diversity techniques for solar-image restoration[J]. The Astrophysical Journal. 1996,466:1087-1099.[6] THELEN B J, PAXMAN R G, CARRARA D A, et al.. Maximum a posteriori estimation of fixed aberrations, dynamic aberrations, and the object from Phase-diverse Speckle data[J]. J.Opt.Soc.Am., 1999, A16:1759-1768.[7] VOGEL C R. Computational Methods for Inverse Problems[M]. Philadelphia: SIAM Press, 2002.[8] VOGEL C R, CHAN T, PLEMMONS R. Fast algorithms for Phase Diversity-Based Blind Deconvolution . Adaptive Optical System Technologies, Kona, Hawaii, USA. SPIE, 1998, 3353:994-1005.[9] L FDAHL M G, BERGER T E, SHINE R S, et al.. Preparation of a dual wavelength sequence of high-resolution solar photospheric images using Phase Diversity[J]. The Astrophysical Journal, 1998,495:965-972.[10] L FDAHL M G, SCHARMER G B. Wave-front sensing and image restoration from focused and defocused solar images[J]. Astron.Astrophys.,1994, 107:243-264.[11] 王建立,汪宗阳,王斌,等. 相位差异散斑法图像复原技术[J]. 光学精密工程,2011,19(5):1165-1170. WANG J L, WANG Z Y, WANG B, et al.. Imagerestoration by Phase-diversity Speckle [J]. Opt. Precision Eng.,2011,19(5):1165-1170.(in Chinese)[12] BYRD R H, LU P, NOCEDAL J, et al.. A limited memory algorithm for bound constrained optimization . Report NAM-08, EECS Department, Northwestern University, 1994.[13] ZHU C, BYRD R H, LU P, et al.. LBFGS-B: Fortran subroutines for large-scale bound constrained optimization . Report NAM-11, EECS Department, Northwestern University, 1994. [14] PARKER J A , KENYON R V , TROXEL D E. Compare of interpolation methods of image resampling[J]. IEEE Trans.Med. Imaging, 1983, MI 22: 31-39.[15] UNSER M, ALDROUBI A , EDEN M. Fast Bspine trans for2mations for continuous image representation and interpolation[J]. IEEE Trans. Pat tern Anal . Machine Intel, 1991, 13: 277-285.

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