Optimization of the image reconstruction procedure in multi-focal photoacoustic computed tomography

Hongying Wan; Depeng Wang; Jing Meng; Liang Song; Leslie Ying; Jun Xia

doi:10.1117/12.2215001

15 March 2016 Optimization of the image reconstruction procedure in multi-focal photoacoustic computed tomography

Hongying Wan, Depeng Wang, Jing Meng, Liang Song, Leslie Ying, Jun Xia

Proceedings Volume 9708, Photons Plus Ultrasound: Imaging and Sensing 2016; 970840 (2016) https://doi.org/10.1117/12.2215001
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Photoacoustic-computed microscopy (PACM) differs from conventional photoacoustic microscopy (PAM) imaging techniques in a way that thousands of optical foci are generated simultaneously using a two-dimensional microlens array, and raster-scanning these optical foci provides wide-field images. A major limitation of PACM is the slow imaging speed caused by the high power pulsed lasers and large amount of acoustic detectors. Here, we addressed this problem through compressed sensing and image inpainting. Compressed sensing minimizes the number of transducer elements used to acquire each frame, while inpainting minimizes the scanning steps. Combining these two approaches, we improved the imaging speed by sixteen times.

Citation Download Citation

Hongying Wan, Depeng Wang, Jing Meng, Liang Song, Leslie Ying, and Jun Xia "Optimization of the image reconstruction procedure in multi-focal photoacoustic computed tomography", Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 970840 (15 March 2016); https://doi.org/10.1117/12.2215001

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