Evidence map›Paper›PMID 29691451›Full record

ArticleScientific reports2018

A fast-converging iterative method based on weighted feedback for multi-distance phase retrieval.

Cheng Guo, Cheng Shen, Qiang Li, Jiubin Tan, Shutian Liu, Xinchi Kan, Zhengjun Liu

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

  1. Article
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  7. 3D Imaging Based on Depth Measurement Technologies.Sensors (Basel, Switzerland) · 2018
    Review
4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Cheng GuoDepartment of Automatic test and control, Harbin Institute of Technology, Harbin, 150080, China.
Cheng ShenDepartment of Automatic test and control, Harbin Institute of Technology, Harbin, 150080, China.
Qiang LiDepartment of Automatic test and control, Harbin Institute of Technology, Harbin, 150080, China.ORCID 0000-0003-2410-3103
Jiubin TanDepartment of Automatic test and control, Harbin Institute of Technology, Harbin, 150080, China.
Shutian LiuDepartment of Physics, Harbin Institute of Technology, Harbin, 150080, China.
Xinchi KanCollege of Veterinary Medicine, Jilin University, Changchun, 130062, China.
Zhengjun LiuDepartment of Automatic test and control, Harbin Institute of Technology, Harbin, 150080, China. zjliu@hit.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Multiple distance phase retrieval methods hold great promise for imaging and measurement due to their less expensive and compact setup. As one of their implementations, the amplitude-phase retrieval algorithm (APR) can achieve stable and high-accuracy reconstruction. However, it suffers from the slow convergence and the stagnant issue. Here we propose an iterative modality named as weighted feedback to solve this problem. With the plug-ins of single and double feedback, two augmented approaches, i.e. the APRSF and APRDF algorithms, are demonstrated to increase the convergence speed with a factor of two and three in experiments. Furthermore, the APRDF algorithm can extend the multiple distance phase retrieval to the partially coherent illumination and enhance the imaging contrast of both amplitude and phase, which actually relaxes the light source requirement. Thus the weighted feedback enables a fast-converging and high-contrast imaging scheme for the iterative phase retrieval.

Identifiers

PMID29691451
PMCPMC5915585

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.