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20 April 2020 Test-objects and phantoms for characterization and optimization of hybrid 3D PA-US systems (Conference Presentation)
Maura Dantuma, Javier Ortega Julia, Saskia Kruitwagen, Damien Gasteau, Srirang Manohar
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Proceedings Volume 11240, Photons Plus Ultrasound: Imaging and Sensing 2020; 112401C (2020) https://doi.org/10.1117/12.2543410
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
Test-objects for use in hybrid photoacoustic-ultrasound systems with a 3D geometry are introduced. They are designed to assess the system’s spatial resolution, imaging depth and image reconstruction algorithms. Considering the latter, one test-object is designed to test the robustness of algorithms when encountering heterogeneity in sound speeds. A further test-object is designed to test the accuracy of blood oxygenation estimation in image reconstruction. Finally, a novel semi-anthropomorphic photoacoustic-ultrasound breast phantom containing tumors and blood vessels is introduced. This phantom is equipped with adaptable blood oxygenation levels and is a valuable tool for the optimization and characterization of the imaging parameters.
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Maura Dantuma, Javier Ortega Julia, Saskia Kruitwagen, Damien Gasteau, and Srirang Manohar "Test-objects and phantoms for characterization and optimization of hybrid 3D PA-US systems (Conference Presentation)", Proc. SPIE 11240, Photons Plus Ultrasound: Imaging and Sensing 2020, 112401C (20 April 2020); https://doi.org/10.1117/12.2543410
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KEYWORDS
Blood
Image restoration
Blood vessels
Breast
Photoacoustic imaging
Reconstruction algorithms
Breast cancer
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