Xiangwei Lin, Naizhang Feng, Yawei Qu, Deying Chen, Yi Shen, Mingjian Sun, "Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer," Chin. Opt. Lett. 15, 101102 (2017)
- Chinese Optics Letters
- Vol. 15, Issue 10, 101102 (2017)
Fig. 1. Theoretical model of the synthetic aperture PAT. (a) Ideal PA signal generation and detection. (b) Synthetic aperture configuration with 1/4 DAQ channels.
Fig. 2. Conceptual model of synthetic aperture PAT. (a) Image resolution simulation. (b) Limited-view simulation.
Fig. 3. (Color online) Enhanced resolution simulation results. The PA images reconstructed by (a) BP with center aperture, (b) BP with synthetic aperture, (c) CS with synthetic aperture, and (d) CS with 1/4 synthetic aperture. (e) The profile along the center line on (a)–(d).
Fig. 4. Limited-view reconstruction results. (a) BP with center aperture, (b) BP with synthetic aperture, (c) CS with synthetic aperture, and (d) CS with 1/4 synthetic aperture.
Fig. 5. PA experimental setup using a rotate-translate stage to form the synthetic aperture.
Fig. 6. (Color online) Enhanced resolution experiment results. (a) BP with a center aperture, (b) BP with a synthetic aperture, (c) CS with a synthetic aperture, and (d) CS with 1/4 synthetic aperture. (e) The profile along the center line on (a)–(d).
Fig. 7. Limited-view reconstruction results. (a) BP with center aperture, (b) BP with synthetic aperture, (c) CS with synthetic aperture, and (d) CS with 1/4 synthetic aperture.
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