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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 12 — Jun. 15, 2008
  • pp: 1291–1293

Adaptive beamforming for photoacoustic imaging

Suhyun Park, Andrei B. Karpiouk, Salavat R. Aglyamov, and Stanislav Y. Emelianov  »View Author Affiliations

Optics Letters, Vol. 33, Issue 12, pp. 1291-1293 (2008)

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An adaptive photoacoustic image reconstruction technique that combines coherence factor (CF) weighting and the minimum variance (MV) method is introduced. The backprojection method is widely used to reconstruct photoacoustic tomography images. Owing to the scattering of light, the quality of the photoacoustic imaging can be degraded. CF, an adaptive weighting technique, is known to improve the lateral resolution of photoacoustic images. In addition, an MV adaptive beamforming method can further improve the image quality by suppressing signals from off-axis directions. Experimental studies are performed to quantify the spatial resolution and contrast of the adaptive photoacoustic beamforming methods.

© 2008 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(110.5120) Imaging systems : Photoacoustic imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Imaging Systems

Original Manuscript: February 4, 2008
Revised Manuscript: April 19, 2008
Manuscript Accepted: April 30, 2008
Published: June 4, 2008

Virtual Issues
Vol. 3, Iss. 7 Virtual Journal for Biomedical Optics

Suhyun Park, Andrei B. Karpiouk, Salavat R. Aglyamov, and Stanislav Y. Emelianov, "Adaptive beamforming for photoacoustic imaging," Opt. Lett. 33, 1291-1293 (2008)

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