From Fienup's phase retrieval techniques to regularized inversion for in-line holography: tutorial
This paper includes a tutorial on how to reconstruct in-line holograms using an inverse
problems approach, starting with modeling the observations, selecting regularizations and …
problems approach, starting with modeling the observations, selecting regularizations and …
Quantitative phase imaging of biological cells using lensless inline holographic microscopy through sparsity-assisted iterative phase retrieval algorithm
AS Galande, HPR Gurram, AP Kamireddy… - Journal of Applied …, 2022 - pubs.aip.org
The twin image-free phase reconstruction is still a challenge with single-shot inline
holographic systems. Existing solutions mostly are based on the inverse problem …
holographic systems. Existing solutions mostly are based on the inverse problem …
Regularized reconstruction of absorbing and phase objects from a single in-line hologram, application to fluid mechanics and micro-biology
Reconstruction of phase objects is a central problem in digital holography, whose various
applications include microscopy, biomedical imaging, and fluid mechanics. Starting from a …
applications include microscopy, biomedical imaging, and fluid mechanics. Starting from a …
[PDF][PDF] 双波长数字全息相位解包裹方法研究
王羽佳， 江竹青， 高志瑞， 蔡文苑， 伍江涛 - Acta Optica Sinica, 2012 - researching.cn
摘要使用两个不同的波长分别记录数字全息图, 分别由数值再现得到每个波长对应的包裹相位图
, 再求得两者的相位差得到等效波长的相位图, 通过此双波长相位解包裹方法得到连续的相位 …
, 再求得两者的相位差得到等效波长的相位图, 通过此双波长相位解包裹方法得到连续的相位 …
Detection of impurity and bubble defects in tire x-ray image based on improved extremum filter and locally adaptive-threshold binaryzation
X Zheng, J Ding, Z Pang, J Li - 2018 International Conference …, 2018 - ieeexplore.ieee.org
The manufacturing technology of all steel radial tire is complex. Some defects will inevitably
appear in the tire due to the complex production process. Impurity and bubble are two typical …
appear in the tire due to the complex production process. Impurity and bubble are two typical …
Three-dimensional shape measurement based on dual-refractive-index digital holography
X Cai, F Hu, H Wang - Optics Communications, 2015 - Elsevier
A novel phase-imaging method based on dual-refractive-index digital holography has been
presented, which in principle can be arbitrarily large compared to the wavelength and does …
presented, which in principle can be arbitrarily large compared to the wavelength and does …
[PDF][PDF] 优化的数字全息显微成像系统
王华英， 刘飞飞， 廖薇， 宋修法， 于梦杰， 刘佐强 - 物理学报, 2013 - wulixb.iphy.ac.cn
基于预放大数字全息显微系统的全息图记录与再现过程及其点扩散函数的分析, 从成像分辨率,
成像质量及实现的难易程度等方面对数字全息显微中六种常见记录光路系统的成像性能进行了 …
成像质量及实现的难易程度等方面对数字全息显微中六种常见记录光路系统的成像性能进行了 …
[PDF][PDF] 基于同态信号处理的数字全息广义线性重建算法研究
王华英， 于梦杰， 刘飞飞， 江亚男， 宋修法， 高亚飞 - 物理学报, 2013 - wulixb.iphy.ac.cn
为了提高数字全息图的重建速度和精度, 本文提出了一种基于同态信号处理的数字全息广义线性
重建算法. 首先利用预放大数字全息显微系统并结合同态信号处理原理进行了理论分析 …
重建算法. 首先利用预放大数字全息显微系统并结合同态信号处理原理进行了理论分析 …
Quantitative phase retrieval reconstruction from in-line hologram using a new proximal operator: application to microscopy of bacteria and tracking of droplets
Phase retrieval reconstruction is a central problem in digital holography, with various
applications in microscopy, biomedical imaging, fluid mechanics. In an in-line configuration …
applications in microscopy, biomedical imaging, fluid mechanics. In an in-line configuration …
Experiment verification of hologram generation using intensity images
We propose a digital hologram generation method from diffracted intensity images based on
the transport of intensity equation. In this paper we do experiment to verify the proposed …
the transport of intensity equation. In this paper we do experiment to verify the proposed …