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October 25, 2010

Mtg: Progress in Hard-Field Industrial Tomography

by @ 4:11 pm. Filed under ALL, Computers/Software, Electronics Design, Engineering Mgmt, Optics/Displays, Semiconductors
 

THURSDAY November 4, 2010
SCV Solid State Circuits Chapter
Speaker: Dr. Krikor Ozanyan, The University of Manchester, UK
Time: Pizza and networking at 6:15 PM; Presentation at 7:15 PM
Cost: none
Place: David Packard Building (Room 101), Serra Mall, EE Department, Stanford University, Stanford
RSVP: From website
Web: ewh.ieee.org/mu/scv-sscs/upcoming-events

This presentation will give an introduction into the methodology and systems for fast tomography imaging, which are compact and do not involve mechanical movement.? The classical background of X-ray Computed Tomography will be examined first, highlighting the concepts of tomography measurements and algorithms for mathematical reconstruction, as well as their interaction to produce a complete system.? Particular emphasis will be given to imaging in the “fingerprint region”, examining two cases of chemically specific indirect imaging: utilizing water molecules and the C-H bond in hydrocarbon molecules.? Examples of major applications across the electromagnetic spectrum will be illustrated, together with new kinds of Tomography, developed at Manchester.? An example case will be discussed suitable for a healthcare application, such as the monitoring of obese patients.
Further, wider variations of hard-field Tomography, expanding into lower-energy optical and THz modalities, will be discussed in the light of motivation for species-selective imaging and the cost implications of pushing the operating range to longer wavelengths.? The requirements for flexible signal processing set by the measurement complexity will be considered, together with the practicality of building such systems.? Some example problems to be addressed include: spectroscopic tomography; imaging with path integrals on curved surfaces; re-configurable signal processing; imaging from a severely under-sampled Radon transform.? Examples of solutions of these problems, studied at Manchester, will be presented and discussed.

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