Principle of subtraction ghost imaging in scattering medium  

作　　者：付芹 白艳锋 谭威 黄贤伟 南苏琴 傅喜泉 Qin Fu;Yanfeng Bai;Wei Tan;Xianwei Huang;Suqin Nan;Xiquan Fu(College of Computer Science and Electronic Engineering,Hunan University,Changsha 410082,China;School of Computer and Information Engineering,Hunan University of Technology and Business,Changsha 410205,China)

机构地区：[1]College of Computer Science and Electronic Engineering,Hunan University,Changsha 410082,China [2]School of Computer and Information Engineering,Hunan University of Technology and Business,Changsha 410205,China

出　　处：《Chinese Physics B》2023年第6期250-254,共5页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(Grant Nos.61871431,61971184,and 62001162)。

摘　　要：Scattering medium in light path will cause distortion of the light field,resulting in poor signal-to-noise ratio(SNR)of ghost imaging.The disturbance is usually eliminated by the method of pre-compensation.We deduce the intensity fluctuation correlation function of the ghost imaging with the disturbance of the scattering medium,which proves that the ghost image consists of two correlated results:the image of scattering medium and the target object.The effect of the scattering medium can be eliminated by subtracting the correlated result between the light field after the scattering medium and the reference light from ghost image,which verifies the theoretical results.Our research may provide a new idea of ghost imaging in harsh environment.

关 键 词：ghost imaging image reconstruction techniques scattering medium 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] O439[自动化与计算机技术—计算机科学与技术]