Optimization of Short-Lag Spatial Coherence Imaging Method
The computing performance optimization of the Short-Lag Spatial Coherence (SLSC) method applied to ultrasound data processing is presented. The method is based on the theory that signals from adjacent receivers are correlated, drawing on a simplified conclusion of the van Cittert-Zernike theorem. It...
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| Format: | Article |
| Language: | English |
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Institute of Fundamental Technological Research Polish Academy of Sciences
2019-07-01
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| Series: | Archives of Acoustics |
| Subjects: | |
| Online Access: | https://acoustics.ippt.pan.pl/index.php/aa/article/view/2409 |
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| _version_ | 1849396182805118976 |
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| author | Jakub DOMARADZKI Marcin LEWANDOWSKI Norbert ŻOŁEK Marcin LEWANDOWSKI |
| author_facet | Jakub DOMARADZKI Marcin LEWANDOWSKI Norbert ŻOŁEK Marcin LEWANDOWSKI |
| author_sort | Jakub DOMARADZKI |
| collection | DOAJ |
| description | The computing performance optimization of the Short-Lag Spatial Coherence (SLSC) method applied to ultrasound data processing is presented. The method is based on the theory that signals from adjacent receivers are correlated, drawing on a simplified conclusion of the van Cittert-Zernike theorem. It has been proven that it can be successfully used in ultrasound data reconstruction with despeckling. Former works have shown that the SLSC method in its original form has two main drawbacks: time-consuming processing and low contrast in the area near the transceivers. In this study, we introduce a method that allows to overcome both of these drawbacks.
The presented approach removes the dependency on distance (the “lag” parameter value) between signals used to calculate correlations. The approach has been tested by comparing results obtained with the original SLSC algorithm on data acquired from tissue phantoms.
The modified method proposed here leads to constant complexity, thus execution time is independent of the lag parameter value, instead of the linear complexity. The presented approach increases computation speed over 10 times in comparison to the base SLSC algorithm for a typical lag parameter value. The approach also improves the output image quality in shallow areas and does not decrease quality in deeper areas. |
| format | Article |
| id | doaj-art-b7f1a375b5934ba3a88d42bb70a37f4b |
| institution | Kabale University |
| issn | 0137-5075 2300-262X |
| language | English |
| publishDate | 2019-07-01 |
| publisher | Institute of Fundamental Technological Research Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Acoustics |
| spelling | doaj-art-b7f1a375b5934ba3a88d42bb70a37f4b2025-08-20T03:39:25ZengInstitute of Fundamental Technological Research Polish Academy of SciencesArchives of Acoustics0137-50752300-262X2019-07-0144410.24425/aoa.2019.129275Optimization of Short-Lag Spatial Coherence Imaging MethodJakub DOMARADZKI0Marcin LEWANDOWSKI1Norbert ŻOŁEK2Marcin LEWANDOWSKI3Warsaw University of TechnologyWarsaw University of TechnologyInstitute of Fundamental Technological Research, Polish Academy of SciencesInstitute of Fundamental Technological Research, Polish Academy of SciencesThe computing performance optimization of the Short-Lag Spatial Coherence (SLSC) method applied to ultrasound data processing is presented. The method is based on the theory that signals from adjacent receivers are correlated, drawing on a simplified conclusion of the van Cittert-Zernike theorem. It has been proven that it can be successfully used in ultrasound data reconstruction with despeckling. Former works have shown that the SLSC method in its original form has two main drawbacks: time-consuming processing and low contrast in the area near the transceivers. In this study, we introduce a method that allows to overcome both of these drawbacks. The presented approach removes the dependency on distance (the “lag” parameter value) between signals used to calculate correlations. The approach has been tested by comparing results obtained with the original SLSC algorithm on data acquired from tissue phantoms. The modified method proposed here leads to constant complexity, thus execution time is independent of the lag parameter value, instead of the linear complexity. The presented approach increases computation speed over 10 times in comparison to the base SLSC algorithm for a typical lag parameter value. The approach also improves the output image quality in shallow areas and does not decrease quality in deeper areas.https://acoustics.ippt.pan.pl/index.php/aa/article/view/2409short lag spatial coherencesynthetic aperturealgorithm optimizationparallel processing |
| spellingShingle | Jakub DOMARADZKI Marcin LEWANDOWSKI Norbert ŻOŁEK Marcin LEWANDOWSKI Optimization of Short-Lag Spatial Coherence Imaging Method Archives of Acoustics short lag spatial coherence synthetic aperture algorithm optimization parallel processing |
| title | Optimization of Short-Lag Spatial Coherence Imaging Method |
| title_full | Optimization of Short-Lag Spatial Coherence Imaging Method |
| title_fullStr | Optimization of Short-Lag Spatial Coherence Imaging Method |
| title_full_unstemmed | Optimization of Short-Lag Spatial Coherence Imaging Method |
| title_short | Optimization of Short-Lag Spatial Coherence Imaging Method |
| title_sort | optimization of short lag spatial coherence imaging method |
| topic | short lag spatial coherence synthetic aperture algorithm optimization parallel processing |
| url | https://acoustics.ippt.pan.pl/index.php/aa/article/view/2409 |
| work_keys_str_mv | AT jakubdomaradzki optimizationofshortlagspatialcoherenceimagingmethod AT marcinlewandowski optimizationofshortlagspatialcoherenceimagingmethod AT norbertzołek optimizationofshortlagspatialcoherenceimagingmethod AT marcinlewandowski optimizationofshortlagspatialcoherenceimagingmethod |