ArticlePhotoacoustics2024
Compensating unknown speed of sound in learned fast 3D limited-view photoacoustic tomography.
Article in Photoacoustics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- Noninvasive whole-brain imaging of glymphatic dynamics.Science advances · 2026Article
- Ultrasound-guided sound speed correction for photoacoustic computed tomography.Photoacoustics · 2026Article
- Reconstructing multiple initial pressure and speed of sound distributions simultaneously in photoacoustic tomography.Photoacoustics · 2025Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
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Abstract
Real-time applications in three-dimensional photoacoustic tomography from planar sensors rely on fast reconstruction algorithms that assume the speed of sound (SoS) in the tissue is homogeneous. Moreover, the reconstruction quality depends on the correct choice for the constant SoS. In this study, we discuss the possibility of ameliorating the problem of unknown or heterogeneous SoS distributions by using learned reconstruction methods. This can be done by modelling the uncertainties in the training data. In addition, a correction term can be included in the learned reconstruction method. We investigate the influence of both and while a learned correction component can improve reconstruction quality further, we show that a careful choice of uncertainties in the training data is the primary factor to overcome unknown SoS. We support our findings with simulated and
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