Cargando…
Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method
In synchrotron radiation X-ray imaging, the imaging field of view and spatial resolution are mutually restricted, which makes it impossible to have both a large field of view and high resolution when carrying out experiments. Constructing an oversampled image through the micro-scanning method and us...
Autores principales: | , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
International Union of Crystallography
2022
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9455207/ https://www.ncbi.nlm.nih.gov/pubmed/36073883 http://dx.doi.org/10.1107/S1600577522007652 |
_version_ | 1784785531006091264 |
---|---|
author | Sun, Rui Wang, Yanping Zhang, Jie Deng, Tijian Yi, Qiru Yu, Bei Huang, Mei Li, Gang Jiang, Xiaoming |
author_facet | Sun, Rui Wang, Yanping Zhang, Jie Deng, Tijian Yi, Qiru Yu, Bei Huang, Mei Li, Gang Jiang, Xiaoming |
author_sort | Sun, Rui |
collection | PubMed |
description | In synchrotron radiation X-ray imaging, the imaging field of view and spatial resolution are mutually restricted, which makes it impossible to have both a large field of view and high resolution when carrying out experiments. Constructing an oversampled image through the micro-scanning method and using the deconvolution algorithm to eliminate the point spread function introduced by pixel overlap can increase the resolution under a fixed imaging field of view, thereby improving the ratio of the field of view to the spatial resolution. In this paper, numerical simulation and synchrotron radiation experiments are carried out with a different number of micro-scanning steps. In numerical simulation experiments only affected by the image pixel size, as the number of micro-scanning steps increases, the ability of the oversampled image with deconvolution to improve the resolution is stronger. The achievable resolution of the oversampled image with deconvolution is basically the same as that of the sample image. In the synchrotron radiation experiments, the resolution of the oversampled image with deconvolution in the 2 × 2 mode is significantly improved. However, as the number of micro-scanning steps increases, the resolution improvement is limited, or even no longer improved. Finally, by analyzing the results of numerical simulation and synchrotron radiation experiments, three factors (four other factors affecting the resolution besides the camera resolution, translational accuracy of micro-scanning, and the signal-to-noise ratio of projections) affecting the micro-scanning method are proposed and verified by experiments. |
format | Online Article Text |
id | pubmed-9455207 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | International Union of Crystallography |
record_format | MEDLINE/PubMed |
spelling | pubmed-94552072022-10-03 Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method Sun, Rui Wang, Yanping Zhang, Jie Deng, Tijian Yi, Qiru Yu, Bei Huang, Mei Li, Gang Jiang, Xiaoming J Synchrotron Radiat Research Papers In synchrotron radiation X-ray imaging, the imaging field of view and spatial resolution are mutually restricted, which makes it impossible to have both a large field of view and high resolution when carrying out experiments. Constructing an oversampled image through the micro-scanning method and using the deconvolution algorithm to eliminate the point spread function introduced by pixel overlap can increase the resolution under a fixed imaging field of view, thereby improving the ratio of the field of view to the spatial resolution. In this paper, numerical simulation and synchrotron radiation experiments are carried out with a different number of micro-scanning steps. In numerical simulation experiments only affected by the image pixel size, as the number of micro-scanning steps increases, the ability of the oversampled image with deconvolution to improve the resolution is stronger. The achievable resolution of the oversampled image with deconvolution is basically the same as that of the sample image. In the synchrotron radiation experiments, the resolution of the oversampled image with deconvolution in the 2 × 2 mode is significantly improved. However, as the number of micro-scanning steps increases, the resolution improvement is limited, or even no longer improved. Finally, by analyzing the results of numerical simulation and synchrotron radiation experiments, three factors (four other factors affecting the resolution besides the camera resolution, translational accuracy of micro-scanning, and the signal-to-noise ratio of projections) affecting the micro-scanning method are proposed and verified by experiments. International Union of Crystallography 2022-08-12 /pmc/articles/PMC9455207/ /pubmed/36073883 http://dx.doi.org/10.1107/S1600577522007652 Text en © Rui Sun et al. 2022 https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited. |
spellingShingle | Research Papers Sun, Rui Wang, Yanping Zhang, Jie Deng, Tijian Yi, Qiru Yu, Bei Huang, Mei Li, Gang Jiang, Xiaoming Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title | Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title_full | Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title_fullStr | Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title_full_unstemmed | Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title_short | Synchrotron radiation X-ray imaging with large field of view and high resolution using micro-scanning method |
title_sort | synchrotron radiation x-ray imaging with large field of view and high resolution using micro-scanning method |
topic | Research Papers |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9455207/ https://www.ncbi.nlm.nih.gov/pubmed/36073883 http://dx.doi.org/10.1107/S1600577522007652 |
work_keys_str_mv | AT sunrui synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT wangyanping synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT zhangjie synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT dengtijian synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT yiqiru synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT yubei synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT huangmei synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT ligang synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod AT jiangxiaoming synchrotronradiationxrayimagingwithlargefieldofviewandhighresolutionusingmicroscanningmethod |