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Photoacoustic tomography of a rat cerebral cortex with a ring-based ultrasonic virtual point detector
Yang, Xinmai Wang, Lihong V.
Yang, Xinmai
Wang, Lihong V.
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Abstract
We image a rat cerebral cortex in situ by using a ring-based ultrasonic virtual point detector developed previously. Compared to the image generated by a finite-aperture detector, the image generated by the virtual point detector has a uniformly distributed resolution throughout the imaged area, owing to the lack of aperture effect of the ultrasonic detector. At the periphery of the image, the signal-to-noise ratio of the image obtained by the virtual point detector is also better than that of a finite-aperture detector. Furthermore, the virtual point detector can be scanned inside the brain to improve the local signal-to-noise ratio.
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This is the published version. Copyright 2007 Society of Photo-optical Instrumentation Engineers
Date
2007-12-18
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Society of Photo-optical Instrumentation Engineers
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Yang, Xinmai, and Lihong V. Wang. "Photoacoustic Tomography of a Rat Cerebral Cortex with a Ring-based Ultrasonic Virtual Point Detector." J. Biomed. Opt. Journal of Biomedical Optics 12.6 (2007): 060507. http://dx.doi.org/10.1117/1.2823076