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Three-Dimensional Reconstruction of Light Field Based on Phase Similarity
2021
Sensors
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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
2021
Frontiers in Physics
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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
2020
International Journal of Optics
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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
2017
Physical Review Letters
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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
2019
IPSJ Transactions on Computer Vision and Applications
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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
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., +, 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
2018
Sensors
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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
1966
Physics Letters
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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
2018
Journal of Synchrotron Radiation
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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
2014
Nature Photonics
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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
2015
Frontiers in Computational Neuroscience
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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
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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
2014
2014 IEEE Conference on Computer Vision and Pattern Recognition
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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"
2001
Ultramicroscopy
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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
2017
Scientific Reports
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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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