Adaptive beamforming for photoacoustic imaging

Suhyun Park, Andrei B. Karpiouk, Salavat R. Aglyamov, Stanislav Y. Emelianov

Research output: Contribution to journalArticlepeer-review

86 Scopus citations


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.

Original languageEnglish
Pages (from-to)1291-1293
Number of pages3
JournalOptics Letters
Issue number12
StatePublished - 15 Jun 2008


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