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Contrast-transfer-function phase retrieval based on compressed sensing

Villanueva-Perez, Pablo LU ; Arcadu, Filippo; Cloetens, Peter and Stampanoni, Marco (2017) In Optics Letters 42(6). p.1133-1136
Abstract

We report on a new contrast-transfer-function (CTF) phase-retrieval method based on the alternating direction method of multipliers (ADMMs), which allows us to exploit any compressed sensing regularization scheme reflecting the sparsity of the investigated object. The proposed iterative algorithm retrieves accurate phase maps from highly noisy single-distance projection microscopy data and is characterized by a stable convergence, not bounded to the prior knowledge of the object support or to the initialization strategy. Experiments on simulated and real datasets show that ADMM-CTF yields reconstructions with a substantial lower amount of artifacts and enhanced signal-to-noise ratio compared to the standard analytical inversion.

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author
publishing date
type
Contribution to journal
publication status
published
subject
in
Optics Letters
volume
42
issue
6
pages
4 pages
publisher
Optical Society of America
external identifiers
  • scopus:85015336461
ISSN
0146-9592
DOI
10.1364/OL.42.001133
language
English
LU publication?
no
id
9f3bf562-2422-4e45-95ce-999a9963d3cf
date added to LUP
2019-03-29 16:47:54
date last changed
2019-07-16 04:06:29
@article{9f3bf562-2422-4e45-95ce-999a9963d3cf,
  abstract     = {<p>We report on a new contrast-transfer-function (CTF) phase-retrieval method based on the alternating direction method of multipliers (ADMMs), which allows us to exploit any compressed sensing regularization scheme reflecting the sparsity of the investigated object. The proposed iterative algorithm retrieves accurate phase maps from highly noisy single-distance projection microscopy data and is characterized by a stable convergence, not bounded to the prior knowledge of the object support or to the initialization strategy. Experiments on simulated and real datasets show that ADMM-CTF yields reconstructions with a substantial lower amount of artifacts and enhanced signal-to-noise ratio compared to the standard analytical inversion.</p>},
  author       = {Villanueva-Perez, Pablo and Arcadu, Filippo and Cloetens, Peter and Stampanoni, Marco},
  issn         = {0146-9592},
  language     = {eng},
  month        = {03},
  number       = {6},
  pages        = {1133--1136},
  publisher    = {Optical Society of America},
  series       = {Optics Letters},
  title        = {Contrast-transfer-function phase retrieval based on compressed sensing},
  url          = {http://dx.doi.org/10.1364/OL.42.001133},
  volume       = {42},
  year         = {2017},
}