计算光学成像系统测算提速方法综述(特邀)

Review of Methods for Enhancing Measurement and Computation Speeds in Computational Optical Imaging Systems(Invited)

为克服扫描计算成像系统测量和计算速度慢的缺点,综述一些快速计算成像技术,从测量和计算方面论述提高速度的方法。在基于光场调制的计算光学成像法中,介绍轴向扫描、横向扫描、多波长扫描、散射介质、多距离等调制方式。针对快速定量相位成像技术,介绍定量相位成像方法、基于Kramers-Kronig关系的快速定量相位成像方法、基于对角扩展采样的计算成像方法、基于对称照明的单帧计算成像方法。针对自动聚焦技术,介绍自动聚焦技术分类、核心算法、基于Tanimoto系数和多相梯度绝对值的自动聚焦方法、基于特征区域提取和细分搜索的快速自动聚焦方法。

To overcome the disadvantages of slow measurement and computation in scanning computational imaging systems,this paper summarizes several rapid computational imaging techniques and introduces methods for enhancing measurement and computation speeds.It delves into computational optical imaging methods based on light field modulation,highlighting various approaches such as axial scanning,transverse scanning,multiwavelength scanning,scattering media,and multidistance techniques.Furthermore,it explores fast quantitative phase imaging techniques,including the standard quantitative phase imaging method,rapid variant based on the Kramers-Kronig relation,computational imaging method using diagonal spread sampling,and single-frame computational imaging method employing symmetrical illumination.Additionally,it covers autofocus technologies,detailing the classification of autofocus technology,its core algorithms,the autofocus method based on the Tanimoto coefficient and the absolute value of the polyphase gradient,and the rapid autofocus method based on feature region extraction and subdivision search.