Photoacoustic and Thermoacoustic Tomography: Image Formation Principles

Kun Wang () and Mark A. Anastasio ()
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Kun Wang: Medical Imaging Research Center, Illinois Institute of Technology
Mark A. Anastasio: Biomedical Engineering, Illinois Institute of Technology

A chapter in Handbook of Mathematical Methods in Imaging, 2015, pp 1081-1116 from Springer

Abstract: Abstract Photoacoustic tomography (PAT), also known as thermoacoustic or optoacoustic tomography, is a rapidly emerging imaging technique that holds great promise for biomedical imaging. PAT is a hybrid imaging technique, and can be viewed either as an ultrasound mediated electromagnetic modality or an ultrasound modality that exploits electromagnetic-enhanced image contrast. In this chapter, we provide a review of the underlying imaging physics and contrast mechanisms in PAT. Additionally, the imaging models that relate the measured photoacoustic wavefields to the sought-after optical absorption distribution are described in their continuous and discrete forms. The basic principles of image reconstruction from discrete measurement data are presented, which includes a review of methods for modeling the measurement system response.

Keywords: Object Representation; Imaging Model; Acoustic Attenuation; Photoacoustic Tomography; Iterative Image Reconstruction (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4939-0790-8_50

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DOI: 10.1007/978-1-4939-0790-8_50

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