Objective Assessment and Design Improvement of a Staring, Sparse Transducer Array by the Spatial Crosstalk Matrix for 3D Photoacoustic Tomography Article Swipe
Philip Wong
,
Ivan Kosik
,
Avery Raess
,
Jeffrey J. L. Carson
·
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.1371/journal.pone.0124759
YOU?
·
· 2015
· Open Access
·
· DOI: https://doi.org/10.1371/journal.pone.0124759
Accurate reconstruction of 3D photoacoustic (PA) images requires detection of photoacoustic signals from many angles. Several groups have adopted staring ultrasound arrays, but assessment of array performance has been limited. We previously reported on a method to calibrate a 3D PA tomography (PAT) staring array system and analyze system performance using singular value decomposition (SVD). The developed SVD metric, however, was impractical for large system matrices, which are typical of 3D PAT problems. The present study consisted of two main objectives. The first objective aimed to introduce the crosstalk matrix concept to the field of PAT for system design. Figures-of-merit utilized in this study were root mean square error, peak signal-to-noise ratio, mean absolute error, and a three dimensional structural similarity index, which were derived between the normalized spatial crosstalk matrix and the identity matrix. The applicability of this approach for 3D PAT was validated by observing the response of the figures-of-merit in relation to well-understood PAT sampling characteristics (i.e. spatial and temporal sampling rate). The second objective aimed to utilize the figures-of-merit to characterize and improve the performance of a near-spherical staring array design. Transducer arrangement, array radius, and array angular coverage were the design parameters examined. We observed that the performance of a 129-element staring transducer array for 3D PAT could be improved by selection of optimal values of the design parameters. The results suggested that this formulation could be used to objectively characterize 3D PAT system performance and would enable the development of efficient strategies for system design optimization.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1371/journal.pone.0124759
- https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0124759&type=printable
- OA Status
- gold
- Cited By
- 6
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W1989438712
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Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W1989438712Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1371/journal.pone.0124759Digital Object Identifier
- Title
-
Objective Assessment and Design Improvement of a Staring, Sparse Transducer Array by the Spatial Crosstalk Matrix for 3D Photoacoustic TomographyWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2015Year of publication
- Publication date
-
2015-04-15Full publication date if available
- Authors
-
Philip Wong, Ivan Kosik, Avery Raess, Jeffrey J. L. CarsonList of authors in order
- Landing page
-
https://doi.org/10.1371/journal.pone.0124759Publisher landing page
- PDF URL
-
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0124759&type=printableDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0124759&type=printableDirect OA link when available
- Concepts
-
Figure of merit, Staring, Singular value decomposition, Computer science, Transducer, Algorithm, Acoustics, Optics, Computer vision, PhysicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
6Total citation count in OpenAlex
- Citations by year (recent)
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2023: 1, 2019: 4, 2018: 1Per-year citation counts (last 5 years)
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37Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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