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Coherent compounding for photoacoustic tomography

Hakakzadeh, S ; Sharif University of Technology | 2023

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  1. Type of Document: Article
  2. DOI: 10.1109/IUS51837.2023.10307230
  3. Publisher: IEEE Computer Society , 2023
  4. Abstract:
  5. Circular-view detector configurations provide higher image quality in a photoacoustic (PA) imaging system than other configurations. The image quality degrades, and streak artifacts appear in the reconstructed image as the number of detectors decreases. Here, we present a coherent compounding strategy for suppressing streak artifacts. Parts of the reconstructed image that refer to the excited PA absorbers and the artifact are separable by reconstructing several sub-images and combining the reconstructed images. The numerical results showed that the presented method suppresses artifacts and improves the quality of reconstructed images than the conventional method. The peak signal-to-noise ratio (PSNR) and structural similarity index (SSIM) of the presented method reaches 43 dB and 0.73, respectively, which results, in a 13 dB and 2.5-fold improvement of the PSNR and SSIM, respectively, compared to the conventional method. © 2023 IEEE
  6. Keywords:
  7. Circular-view ; Compounding ; Image reconstruction ; Photoacoustic ; Tomography
  8. Source: IEEE International Ultrasonics Symposium, IUS ; 2023 ; 19485719 (ISSN); 979-835034645-9 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/10307230