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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 15 — Jul. 16, 2012
  • pp: 16510–16523

Compressed-sensing photoacoustic computed tomography in vivo with partially known support

Jing Meng, Lihong V. Wang, Leslie Ying, Dong Liang, and Liang Song  »View Author Affiliations


Optics Express, Vol. 20, Issue 15, pp. 16510-16523 (2012)
http://dx.doi.org/10.1364/OE.20.016510


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Abstract

Compressed sensing (CS) can recover sparse signals from under-sampled measurements. In this work, we have developed an advanced CS framework for photoacoustic computed tomography (PACT). During the reconstruction, a small part of the nonzero signals’ locations in the transformed sparse domain is used as partially known support (PKS). PACT reconstructions have been performed with under-sampled in vivo image data of human hands and a rat. Compared to PACT with basic CS, PACT with CS-PKS can recover signals using fewer ultrasonic transducer elements and can improve convergence speed, which may ultimately enable high-speed, low-cost PACT for various biomedical applications.

© 2012 OSA

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: April 19, 2012
Revised Manuscript: May 22, 2012
Manuscript Accepted: May 22, 2012
Published: July 6, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Jing Meng, Lihong V. Wang, Leslie Ying, Dong Liang, and Liang Song, "Compressed-sensing photoacoustic computed tomography in vivo with partially known support," Opt. Express 20, 16510-16523 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-15-16510


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