Results 11 to 20 of about 573,440 (274)

Large-scale phase retrieval [PDF]

Light: Science & Applications, 2021
Gabriel Popescu
doaj   +3 more sources

Phase Retrieval with Random Phase Illumination [PDF]

Journal of the Optical Society of America A, 2012
This paper presents a detailed, numerical study on the performance of the standard phasing algorithms with random phase illumination (RPI). Phasing with high resolution RPI and the oversampling ratio $\sigma=4$ determines a unique phasing solution up to ...
Albert Fannjiang, Almoro, Anand, Bauschke, Fannjiang, Fienup, Fienup, Fienup, Gerchberg, Hayes, Hayes, Levi, Marchesini, Miao, Miao, Miao, Miao, Miao, Millane, Pitts, Wenjing Liao   +20 more
core   +5 more sources

Phase retrieval in holographic data storage by expanded spectrum combined with dynamic sampling method [PDF]

Scientific Reports, 2023
Phase retrieval in holographic data storage by expanded spectrum combined with dynamic sampling method is proposed, which serves to both reduce media consumption and to shorten the iterative number of phase code retrieval.
Ruixian Chen, Jianying Hao, Jinyu Wang, Yongkun Lin, Kun Wang, Dakui Lin, Xiao Lin, Xiaodi Tan   +7 more
doaj   +2 more sources

Norm Retrieval and Phase Retrieval by Projections [PDF]

Axioms, 2017
We make a detailed study of norm retrieval. We give several classification theorems for norm retrieval and give a large number of examples to go with the theory.
Peter G. Casazza, Dorsa Ghoreishi, Shani Jose, Janet C. Tremain   +3 more
doaj   +4 more sources

PhaseLin: Linear Phase Retrieval [PDF]

2018 52nd Annual Conference on Information Sciences and Systems (CISS), 2018
Phase retrieval deals with the recovery of complex- or real-valued signals from magnitude measurements. As shown recently, the method PhaseMax enables phase retrieval via convex optimization and without lifting the problem to a higher dimension.
Ghods, Ramina, Goldstein, Tom, Lan, Andrew S., Studer, Christoph   +3 more
core   +3 more sources

Measurement of Small-Slope Free-Form Optical Surfaces with the Modified Phase Retrieval [PDF]

Micromachines, 2022
In this paper, we demonstrate the use of the modified phase retrieval as a method for application in the measurement of small-slope free-form optical surfaces.
Xinxue Ma, Jianli Wang, Bin Wang, Xinyue Liu   +3 more
doaj   +2 more sources

Phase retrieval with polarization [PDF]

SIAM Journal on Imaging Sciences, 2013
In many areas of imaging science, it is difficult to measure the phase of linear measurements. As such, one often wishes to reconstruct a signal from intensity measurements, that is, perform phase retrieval.
Alexeev, Boris, Bandeira, Afonso S., Fickus, Matthew, Mixon, Dustin G.   +3 more
core   +3 more sources

3DMPR – a robust morphological approach for applying phase retrieval in proximity to highly attenuating objects in computed tomography [PDF]

Journal of Synchrotron Radiation
X-ray imaging is a fast, precise and non-invasive method of imaging which, when combined with computed tomography, provides detailed 3D rendering of samples.
James A. Pollock, L. C. P. Croton, K. S. Morgan, K. J. Crossley, M. J. Wallace, G. A. Buckley, S. B. Hooper, M. J. Kitchen   +7 more
doaj   +2 more sources

Metalenses phase characterization by multi-distance phase retrieval [PDF]

Light: Science & Applications
Metalens, characterized by their unique functions and distinctive physical properties, have gained significant attention for their potential applications.
Bowen Liu, Jialuo Cheng, Maoxiong Zhao, Jin Yao, Xiaoyuan Liu, Shaohu Chen, Lei Shi, Din Ping Tsai, Zihan Geng, Mu Ku Chen   +9 more
doaj   +2 more sources

Undersampled Phase Retrieval with Outliers [PDF]

IEEE Transactions on Computational Imaging, 2014
We propose a general framework for reconstructing transform-sparse images from undersampled (squared)-magnitude data corrupted with outliers. This framework is implemented using a multi-layered approach, combining multiple initializations (to address the
Divon, Gilad, Eldar, Yonina C., Fessler, Jeffrey A., Pnueli, Ayelet, Radzyner, Ori, Weller, Daniel S.   +5 more
core   +4 more sources