Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media
Abstract Optical imaging in scattering media is important to many fields but remains challenging. Recent methods have focused on imaging through thin scattering layers or thicker scattering media with prior knowledge of the sample, but this still limits practical applications. Here, we report an ima...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-11-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-023-43674-5 |
| _version_ | 1827633764744822784 |
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| author | Yaoyao Shi Wei Sheng Yangyang Fu Youwen Liu |
| author_facet | Yaoyao Shi Wei Sheng Yangyang Fu Youwen Liu |
| author_sort | Yaoyao Shi |
| collection | DOAJ |
| description | Abstract Optical imaging in scattering media is important to many fields but remains challenging. Recent methods have focused on imaging through thin scattering layers or thicker scattering media with prior knowledge of the sample, but this still limits practical applications. Here, we report an imaging method named ‘speckle kinetography’ that enables high-resolution imaging in unknown scattering media with thicknesses up to about 6 transport mean free paths. Speckle kinetography non-invasively records a series of incoherent speckle images accompanied by object motion and the inherently retained object information is extracted through an overlapping speckle correlation algorithm to construct the object’s autocorrelation for imaging. Under single-colour light-emitting diode, white light, and fluorescence illumination, we experimentally demonstrate 1 μm resolution imaging and tracking of objects moving in scattering samples, while reducing the requirements for prior knowledge. We anticipate this method will enable imaging in currently inaccessible scenarios. |
| first_indexed | 2024-03-09T15:04:04Z |
| format | Article |
| id | doaj.art-810f54fbdb524768845b42b62b03e40e |
| institution | Directory Open Access Journal |
| issn | 2041-1723 |
| language | English |
| last_indexed | 2024-03-09T15:04:04Z |
| publishDate | 2023-11-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj.art-810f54fbdb524768845b42b62b03e40e2023-11-26T13:45:33ZengNature PortfolioNature Communications2041-17232023-11-011411810.1038/s41467-023-43674-5Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering mediaYaoyao Shi0Wei Sheng1Yangyang Fu2Youwen Liu3College of Physics, Nanjing University of Aeronautics and AstronauticsCollege of Physics, Nanjing University of Aeronautics and AstronauticsCollege of Physics, Nanjing University of Aeronautics and AstronauticsCollege of Physics, Nanjing University of Aeronautics and AstronauticsAbstract Optical imaging in scattering media is important to many fields but remains challenging. Recent methods have focused on imaging through thin scattering layers or thicker scattering media with prior knowledge of the sample, but this still limits practical applications. Here, we report an imaging method named ‘speckle kinetography’ that enables high-resolution imaging in unknown scattering media with thicknesses up to about 6 transport mean free paths. Speckle kinetography non-invasively records a series of incoherent speckle images accompanied by object motion and the inherently retained object information is extracted through an overlapping speckle correlation algorithm to construct the object’s autocorrelation for imaging. Under single-colour light-emitting diode, white light, and fluorescence illumination, we experimentally demonstrate 1 μm resolution imaging and tracking of objects moving in scattering samples, while reducing the requirements for prior knowledge. We anticipate this method will enable imaging in currently inaccessible scenarios.https://doi.org/10.1038/s41467-023-43674-5 |
| spellingShingle | Yaoyao Shi Wei Sheng Yangyang Fu Youwen Liu Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media Nature Communications |
| title | Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media |
| title_full | Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media |
| title_fullStr | Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media |
| title_full_unstemmed | Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media |
| title_short | Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media |
| title_sort | overlapping speckle correlation algorithm for high resolution imaging and tracking of objects in unknown scattering media |
| url | https://doi.org/10.1038/s41467-023-43674-5 |
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