Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer

Xiangwei Lin; Naizhang Feng; Yawei Qu; Deying Chen; Yi Shen; Mingjian Sun

doi:doi:10.3788/COL201715.101102

Chinese Optics Letters, 2017, 15 (10): 101102, Published Online: Jul. 19, 2018

Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer Download： 1054次

Xiangwei Lin ¹Naizhang Feng ¹Yawei Qu ²Deying Chen ³Yi Shen ¹Mingjian Sun ^1,*

Author Affiliations

¹ Department of Control Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

² Department of Gastroenterology, General Hospital of Chinese People’s Armed Police Forces, Beijing 100039, China

³ Institute of Opto-electronics, Harbin Institute of Technology, Harbin 150080, China

Figures & Tables

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.

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Fig. 2. Conceptual model of synthetic aperture PAT. (a) Image resolution simulation. (b) Limited-view simulation.

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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).

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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.

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Fig. 5. PA experimental setup using a rotate-translate stage to form the synthetic aperture.

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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).

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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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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[J]. Chinese Optics Letters, 2017, 15(10): 101102.

Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer Download： 1054次

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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Compressed sensing in synthetic aperture photoacoustic tomography based on a linear-array ultrasound transducer Download： 1054次

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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