Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging
X-ray speckles have been used in a wide range of experiments, including imaging (and tomography), wavefront sensing, spatial coherence measurements, X-ray photon correlation spectroscopy and ptychography. In this review and experimental comparison, we focus on using X-ray near-field speckle grains a...
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| Format: | Article |
| Language: | English |
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International Union of Crystallography
2025-01-01
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| Series: | Journal of Synchrotron Radiation |
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| Online Access: | https://journals.iucr.org/paper?S1600577524010117 |
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| author | Rafael Celestre Laurène Quénot Christopher Ninham Emmanuel Brun Luca Fardin |
| author_facet | Rafael Celestre Laurène Quénot Christopher Ninham Emmanuel Brun Luca Fardin |
| author_sort | Rafael Celestre |
| collection | DOAJ |
| description | X-ray speckles have been used in a wide range of experiments, including imaging (and tomography), wavefront sensing, spatial coherence measurements, X-ray photon correlation spectroscopy and ptychography. In this review and experimental comparison, we focus on using X-ray near-field speckle grains as wavefront markers and numerical methods for retrieving the phase information they contain. We present the most common tracking methods, introducing the existing algorithms with their specifications and comparing their performances under various experimental conditions. This comparison includes applications to different types of samples: phantoms for quantitative analysis and complex samples for assessing image quality. Our goal is to unify concepts from several speckle tracking methods using consistent terminology and equation formalism, while keeping the discussion didactic and accessible to a broad audience. |
| format | Article |
| id | doaj-art-b87d426e48d14c80989ff8c18e6d14f4 |
| institution | Kabale University |
| issn | 1600-5775 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | International Union of Crystallography |
| record_format | Article |
| series | Journal of Synchrotron Radiation |
| spelling | doaj-art-b87d426e48d14c80989ff8c18e6d14f42025-01-07T14:26:38ZengInternational Union of CrystallographyJournal of Synchrotron Radiation1600-57752025-01-0132118019910.1107/S1600577524010117tv5066Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imagingRafael Celestre0Laurène Quénot1Christopher Ninham2Emmanuel Brun3Luca Fardin4Synchrotron SOLEIL, L'Orme des Merisiers, Dèpartementale 128, Saint-Aubin, FranceUniv. Grenoble Alpes, INSERM, UA7 STROBE, Grenoble, FranceUniv. Grenoble Alpes, INSERM, UA7 STROBE, Grenoble, FranceUniv. Grenoble Alpes, INSERM, UA7 STROBE, Grenoble, FranceUniv. Grenoble Alpes, INSERM, UA7 STROBE, Grenoble, FranceX-ray speckles have been used in a wide range of experiments, including imaging (and tomography), wavefront sensing, spatial coherence measurements, X-ray photon correlation spectroscopy and ptychography. In this review and experimental comparison, we focus on using X-ray near-field speckle grains as wavefront markers and numerical methods for retrieving the phase information they contain. We present the most common tracking methods, introducing the existing algorithms with their specifications and comparing their performances under various experimental conditions. This comparison includes applications to different types of samples: phantoms for quantitative analysis and complex samples for assessing image quality. Our goal is to unify concepts from several speckle tracking methods using consistent terminology and equation formalism, while keeping the discussion didactic and accessible to a broad audience.https://journals.iucr.org/paper?S1600577524010117x-ray phase contrastspeckle tracking |
| spellingShingle | Rafael Celestre Laurène Quénot Christopher Ninham Emmanuel Brun Luca Fardin Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging Journal of Synchrotron Radiation x-ray phase contrast speckle tracking |
| title | Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging |
| title_full | Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging |
| title_fullStr | Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging |
| title_full_unstemmed | Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging |
| title_short | Review and experimental comparison of speckle-tracking algorithms for X-ray phase contrast imaging |
| title_sort | review and experimental comparison of speckle tracking algorithms for x ray phase contrast imaging |
| topic | x-ray phase contrast speckle tracking |
| url | https://journals.iucr.org/paper?S1600577524010117 |
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