The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Imaging and Tracking Dynamic Phenomena in Computed Tomography

Type Of Event
Presentation
Sponsoring Division
XSD
Location
401/A1100
Building Number
401
Room Number
A1100
Speaker
Wolfgang Heidrich, Visual Computing Center, King Abdullah University of Science and Technology
Host
Doga Gursoy
Start Date
07-25-2019
Start Time
11:00 a.m.
Description

Abstract:
 
Many applications in CT imaging require imaging of time-varying data as well as an analysis of the motion fields between different configurations. In this talk, I will focus on joint 4D (space+time) geometry and motion analysis using new tomographic reconstruction methods. These methods are applicable in any scenario where either:

  1. a time-varying phenomenon is investigated with tomographic methods (X-ray, EM, etc.), and the time scale of the motion is comparable to the frame rate of projections in the imaging system,

    or
     
  2. whenever the sample undergoes uncontrolled deformation during the scanning process (e.g. drift, heat expansion, or sample degradation).

I will illustrate the methods using examples from graphics as well as composite material science applications. I will also highlight the relationship of these methods to recent fluid imaging methods.

 

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