Research Papers: Imaging

Incoherence-based optimal selection of independent measurements in diffuse optical tomography

[+] Author Affiliations
Calvin B. Shaw

Indian Institute of Science, Supercomputer Education and Research Centre, Bangalore 560012, India

Phaneendra K. Yalavarthy

Indian Institute of Science, Supercomputer Education and Research Centre, Bangalore 560012, India

J. Biomed. Opt. 19(3), 036017 (Mar 21, 2014). doi:10.1117/1.JBO.19.3.036017
History: Received November 28, 2013; Revised January 28, 2014; Accepted February 20, 2014
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Abstract.  An optimal measurement selection strategy based on incoherence among rows (corresponding to measurements) of the sensitivity (or weight) matrix for the near infrared diffuse optical tomography is proposed. As incoherence among the measurements can be seen as providing maximum independent information into the estimation of optical properties, this provides high level of optimization required for knowing the independency of a particular measurement on its counterparts. The proposed method was compared with the recently established data-resolution matrix-based approach for optimal choice of independent measurements and shown, using simulated and experimental gelatin phantom data sets, to be superior as it does not require an optimal regularization parameter for providing the same information.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Calvin B. Shaw and Phaneendra K. Yalavarthy
"Incoherence-based optimal selection of independent measurements in diffuse optical tomography", J. Biomed. Opt. 19(3), 036017 (Mar 21, 2014). ; http://dx.doi.org/10.1117/1.JBO.19.3.036017


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