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Proceedings Paper

Optimization of the image reconstruction procedure in multi-focal photoacoustic computed tomography
Author(s): Hongying Wan; Depeng Wang; Jing Meng; Liang Song; Leslie Ying; Jun Xia
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Paper 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.

Paper Details

Date Published: 15 March 2016
PDF: 7 pages
Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 970840 (15 March 2016); doi: 10.1117/12.2215001
Show Author Affiliations
Hongying Wan, Univ. at Buffalo (United States)
Depeng Wang, Univ. at Buffalo (United States)
Jing Meng, Qufu Normal Univ. (China)
Liang Song, Shenzhen Institute of Advanced Technology (China)
Leslie Ying, Univ. at Buffalo (United States)
Jun Xia, Univ. at Buffalo (United States)


Published in SPIE Proceedings Vol. 9708:
Photons Plus Ultrasound: Imaging and Sensing 2016
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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