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- W4223915881 endingPage "100356" @default.
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- W4223915881 abstract "Multispectral photoacoustic (PA) imaging faces two major challenges: the spectral coloring effect, which has been studied extensively as an optical inversion problem, and the spectral crosstalk, which is basically a result of non-ideal acoustic inversion. So far, there is no systematic work to analyze the spectral crosstalk because acoustic inversion and spectroscopic measurement are always treated as decoupled. In this work, we theorize and demonstrate through a series of simulations and experiments how imperfect acoustic inversion induces inaccurate PA spectrum measurement. We provide detailed analysis to elucidate how different factors, including limited bandwidth, limited view, light attenuation, out-of-plane signal, and image reconstruction schemes, conspire to render the measured PA spectrum inaccurate. We found that the model-based reconstruction outperforms universal back-projection in suppressing the spectral crosstalk in some cases." @default.
- W4223915881 created "2022-04-19" @default.
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- W4223915881 date "2022-06-01" @default.
- W4223915881 modified "2023-10-14" @default.
- W4223915881 title "Spectral crosstalk in photoacoustic computed tomography" @default.
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- W4223915881 doi "https://doi.org/10.1016/j.pacs.2022.100356" @default.
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