2022
DOI: 10.3389/fphy.2022.954537
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Wideband photoacoustic imaging in vivo with complementary frequency conventional ultrasound transducers

Abstract: Photoacoustic (PA) signals are typically broadband in nature. The bandwidth of PA signals depends on the size distribution of the underlying chromophores. Typically, conventional ultrasound (US) transducers, designed for pulse-echo imaging, have limited bandwidth, which reduces their sensitivity to the broadband PA signal. The rejection of out-of-band signals impairs image reconstruction, leading to the loss of image details. Visualization of biological structures, in particular deep targets with a range of si… Show more

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Cited by 6 publications
(3 citation statements)
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“… 134 , 135 To combine data from different ultrasound probes, relative transducer sensitivities should be taken into account. 98 …”
Section: Instrumentationmentioning
confidence: 99%
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“… 134 , 135 To combine data from different ultrasound probes, relative transducer sensitivities should be taken into account. 98 …”
Section: Instrumentationmentioning
confidence: 99%
“…97 Frequency compounding can be applied to faithfully reconstruct targets with a range of sizes. 98 Missing features, boundary build-up, sidelobes, and other artifacts have been remedied using deep learning methods and have been extensively reviewed. [99][100][101][102] Very briefly, reconstruction networks are trained on known structures, from which PA signals can be computed using optical and acoustic forward models, combined with the instrument response.…”
Section: Limited View and Limited Bandwidthmentioning
confidence: 99%
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