Multi-perspective photoacoustic imaging with CMUTs on a flexible substrate for carotid plaque detection

Amir Gholampour; Hans-Martin Schwab; Jan-Willem Muller; Min Wu; Marc van Sambeek; Richard Lopata

doi:10.1117/12.2610019

7 March 2022 Multi-perspective photoacoustic imaging with CMUTs on a flexible substrate for carotid plaque detection

Amir Gholampour, Hans-Martin Schwab, Jan-Willem Muller, Min Wu, Marc van Sambeek, Richard Lopata

Proceedings Volume PC11960, Photons Plus Ultrasound: Imaging and Sensing 2022; PC119602G (2022) https://doi.org/10.1117/12.2610019
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

Photoacoustic imaging (PAI) has a great potential to assess vulnerable plaques in the carotid artery. However, in vivo, PAI suffers from low angular coverage, limited field of view (FOV), and lateral resolution especially when imaging a few centimeters deep in the tissue. To improve these shortcomings, here, we propose to image with multiple capacitive micromachined ultrasound transducers on a flexible substrate with orientation sensors to improve the image quality independent of the patient anatomy. We tested the multi-perspective PAI on a phantom and the experimental results demonstrate improvement in FOV, angular coverage, and resolution, strongly increasing the diagnostic capability of the PAI system.

Conference Presentation

Citation Download Citation

Amir Gholampour, Hans-Martin Schwab, Jan-Willem Muller, Min Wu, Marc van Sambeek, and Richard Lopata "Multi-perspective photoacoustic imaging with CMUTs on a flexible substrate for carotid plaque detection", Proc. SPIE PC11960, Photons Plus Ultrasound: Imaging and Sensing 2022, PC119602G (7 March 2022); https://doi.org/10.1117/12.2610019

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