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Three-Dimensional Reconstruction of Light Field Based on Phase Similarity

Wei Feng, Junhui Gao, Tong Qu, Shiqi Zhou, Daxing Zhao
2021 Sensors  
In this paper, a 3D reconstruction method of light field based on phase similarity is proposed to increase the accuracy of depth estimation and the scope of applicability of epipolar plane image (EPI).  ...  Light field imaging plays an increasingly important role in the field of three-dimensional (3D) reconstruction because of its ability to quickly obtain four-dimensional information (angle and space) of  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s21227734 pmid:34833806 pmcid:PMC8618702 fatcat:s5uz6ns7azcupjhxibovrre7cq

Quantitative Phase Imaging Using Deep Learning-Based Holographic Microscope

Jianglei Di, Ji Wu, Kaiqiang Wang, Ju Tang, Ying Li, Jianlin Zhao
2021 Frontiers in Physics  
Digital holographic microscopy enables the measurement of the quantitative light field information and the visualization of transparent specimens.  ...  In this paper, an optimized structural convolution neural network PhaseNet is proposed for the reconstruction of digital holograms, and a deep learning-based holographic microscope using above neural network  ...  (A) The digital holograms of a living mouse osteoblastic cell; (B) The spectrum of the hologram; (C) The quantitative two-dimensional phase map of one mouse osteoblastic cell; (D) three-dimensional phase  ... 
doi:10.3389/fphy.2021.651313 fatcat:ly236pajrrhfrequ4j3snndda4

Three-Dimensional Reconstruction of Mechanical Parts Based on Digital Holography

Yaohui Dai, Haiyu Wu, Gang Zhu, Yan Yang
2020 International Journal of Optics  
This paper focuses on the above problem and proposes a method for marking the first-order image of the 1-FFT surface based on the fast Fourier transform (1-FFT).  ...  Finally, the 3D display of a typical rotary three-dimensional mechanical part is successfully realized with holography stitching using the above method.  ...  Figure 20 shows the phase distribution of the three-dimensional reconstruction of the stud from different perspectives.  ... 
doi:10.1155/2020/6712781 fatcat:66e2k2dxcnb25l65i62sygsuom

Holography of Wi-fi Radiation

Philipp M. Holl, Friedemann Reinhard
2017 Physical Review Letters  
We recover three-dimensional views of objects and emitters by feeding the resulting data into digital reconstruction algorithms.  ...  Propagating in space, this radiation forms a hologram - a two-dimensional wavefront encoding a three-dimensional view of all objects traversed by the light beam.  ...  Introduction Holography -three-dimensional imaging by phase-coherent recording of a two-dimensional wavefront -is one of the most intriguing concepts of 20 th century physics 1 .  ... 
doi:10.1103/physrevlett.118.183901 pmid:28524674 fatcat:7tbzq35cmzgzznqniyp5kfy4km

Learning-based active 3D measurement technique using light field created by video projectors

Yuki Shiba, Satoshi Ono, Ryo Furukawa, Shinsaku Hiura, Hiroshi Kawasaki
2019 IPSJ Transactions on Computer Vision and Applications  
In this paper, we propose a learning-based technique to extract depth information from such a light field, which includes multiple depth cues.  ...  In the 3D measurement (reconstruction) phase, the same features of patches are extracted from a captured image of a target scene and compared with the learned data.  ...  The key to our technique is based on the fact that such a projector-sourced light field is locally smooth and consists of similar blocks in 3D space; the multiple projectors project some regular patterns  ... 
doi:10.1186/s41074-019-0058-y fatcat:tmwjmschprawrookhw7gitkelq

2020 Index IEEE Transactions on Computational Imaging Vol. 6

2020 IEEE Transactions on Computational Imaging  
., +, TCI 2020 830-842 Multi-Angular Epipolar Geometry Based Light Field Angular Reconstruction Network.  ...  ., +, TCI 2020 830-842 Multi-Angular Epipolar Geometry Based Light Field Angular Reconstruction Network.  ...  ., +, TCI 2020 125-137 Truncation Correction for X-ray Phase-Contrast Region-of-Interest Tomography. Felsner, L., +, TCI 2020 625-639  ... 
doi:10.1109/tci.2021.3054596 fatcat:puij7ztll5ai7alxrmqzsupcny

Three-Dimensional High-Resolution Digital Inline Hologram Reconstruction with a Volumetric Deconvolution Method

Junseong Eom, Sangjun Moon
2018 Sensors  
Based on phase retrieved high-resolution holographic imaging and a 3D deconvolution technique, we demonstrate that a high-resolution 3D volumetric image, which significantly reduces wave-front reconstruction  ...  microscope (DIHM) was developed for a 2D imaging technology and has recently been adapted to 3D imaging methods, providing new approaches to obtaining volumetric images with both a high resolution and wide field-of-view  ...  s for multi-height phase recovery, and 17.2 s for three-dimensional deconvolution.  ... 
doi:10.3390/s18092918 pmid:30177625 pmcid:PMC6163490 fatcat:oy77qw36cbeclckd4esdgps3vu

White-light reconstruction of holographic images using transmission holograms recorded with conventionally-focused images and 'in-line' background

G.W. Stroke
1966 Physics Letters  
A new extension of Gabor's wavefront-reconstruction principle permits to reconstruct three-dimensional images by transmission of white light through a hologram recorded in a new arrangement using an 'inline  ...  ' coherent background superposed onto a conventionally focused image field,  ...  three dimensional images by transmission of white light.  ... 
doi:10.1016/0031-9163(66)90022-9 fatcat:gsoefmmvdrai7kyb4kzcqcljvy

Direct information retrieval after 3D reconstruction in grating-based X-ray phase-contrast computed tomography

Zhao Wu, Kun Gao, Zhili Wang, Chenxi Wei, Faiz Wali, Guibin Zan, Wenbin Wei, Peiping Zhu, Yangchao Tian
2018 Journal of Synchrotron Radiation  
Generally, two-dimensional information retrieval performed on every projection is required prior to three-dimensional reconstruction in phase-contrast computed tomography.  ...  In addition, the hybrid three-dimensional images of absorption and phase information were reconstructed using an absorption reconstruction algorithm, hence the existing data pre-processing methods and  ...  Moreover, the computational time of CT reconstruction executed on graphic processing units (GPUs) or field-programmable gate arrays (FPGAs) will be sharply reduced, similar to the speedups of 26.9 for  ... 
doi:10.1107/s1600577518008019 pmid:29979185 pmcid:PMC6038613 fatcat:5rih466fcrbvph2iapzegxmri4

White-light diffraction tomography of unlabelled live cells

Taewoo Kim, Renjie Zhou, Mustafa Mir, S. Derin Babacan, P. Scott Carney, Lynford L. Goddard, Gabriel Popescu
2014 Nature Photonics  
To mitigate this problem, tomographic methods based on white light have also been proposed 34-36 .  ...  These approaches require a priori knowledge of the three-dimensional point spread function (PSF) of the instrument and ignore the physics of the light-specimen interaction.  ...  Robinson for assistance with SEM imaging of RBCs. The authors also thank J. Howard, K. Khairy and J.-J. Foo for providing confocal images of RBCs.  ... 
doi:10.1038/nphoton.2013.350 fatcat:agk4wionv5bfzpcwxnvfexui74

Low-dimensional attractor for neural activity from local field potentials in optogenetic mice

Sorinel A. Oprisan, Patrick E. Lynn, Tamas Tompa, Antonieta Lavin
2015 Frontiers in Computational Neuroscience  
We found that the steady dynamics of mPFC in response to light stimuli could be reconstructed in a three-dimensional phase space with topologically similar "8"-shaped attractors across different animals  ...  For each trial, we used the last 1.5 s of steady activity to measure the phase resetting induced by the brief 10 ms light stimulus.  ...  As expected from the dendrogram-based preprocessing, the first three groups gave very similar reconstructed attractors.  ... 
doi:10.3389/fncom.2015.00125 pmid:26483665 pmcid:PMC4591433 fatcat:kg7273l7hnaxbgegtgwqj5j3py

2018 Index IEEE Transactions on Computational Imaging Vol. 4

2018 IEEE Transactions on Computational Imaging  
R Radar antennas Doppler-DPCA and Doppler-ATI: Novel SAR Modalities for Imaging of Moving Targets Using Ultra-Narrowband Waveforms.  ...  ., +, TCI Dec. 2018 562-572 Reflection Removal on Single Light Field Capture Using Focus Manipulation.  ...  ., +, TCI March 2018 60-72 Image fusion Cross-Scale Reference-Based Light Field Super-Resolution.  ... 
doi:10.1109/tci.2019.2916527 fatcat:ld63r6q2pba6jn6fl3faihqy44

Transparent Object Reconstruction via Coded Transport of Intensity

Chenguang Ma, Xing Lin, Jinli Suo, Qionghai Dai, Gordon Wetzstein
2014 2014 IEEE Conference on Computer Vision and Pattern Recognition  
We show how coded illumination in combination with pairs of recorded images allow for robust computational reconstruction of dynamic two and three-dimensional refractive phenomena.  ...  In this paper, we derive an intuitive formulation of light transport in refractive media using light fields and the transport of intensity equation.  ...  Chenguang Ma, Xing Lin, Jinli Suo and Qionghai Dai were supported by the Project of NSFC (No. 61327902, 61120106003 and 61035002). Gordon Wetzstein was supported by an NSERC Postdoctoral Fellowship.  ... 
doi:10.1109/cvpr.2014.420 dblp:conf/cvpr/MaLSDW14 fatcat:f4ns5qacb5g6zd457n4ldoix2y

Lensless imaging: a workshop on "new approaches to the phase problem for non-periodic objects"

John C.H. Spence, M. Howells, L.D. Marks, J. Miao
2001 Ultramicroscopy  
Over the past two decades, theoretical tools and algorithms have been developed which, under not very restrictive conditions, allow the reconstruction of images from diffraction patterns of non-periodic  ...  Recent experimental successes prompted an interdisciplinary international workshop on this topic at  ...  Sessions on two and three-dimensional reconstruction using the HiO algorithm followed lunch.  ... 
doi:10.1016/s0304-3991(01)00128-0 pmid:11794624 fatcat:haftkmoibvhkxagfimdkqxlwle

Design of Non-Deterministic Quasi-random Nanophotonic Structures Using Fourier Space Representations

Shuangcheng Yu, Chen Wang, Yichi Zhang, Biqin Dong, Zhen Jiang, Xiangfan Chen, Wei Chen, Cheng Sun
2017 Scientific Reports  
The similarity in the Fourier space not only reveals the underlying structural correlation in common but further suggests their similar characteristics in light scattering or diffraction modes.  ...  Interestingly, despite their drastically different real space appearances, the two-dimensional (2D) Fourier transformations of these structures exhibit very similar ring-shaped patterns as shown in Figure  ...  Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-6CH11357.  ... 
doi:10.1038/s41598-017-04013-z pmid:28623322 pmcid:PMC5473826 fatcat:2z3wpfidhjcxjiy6dudxltehsq
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