Development of a multi-energy flash computed tomography diagnostic for three dimensional imaging of ballistic experiments
| Autor: | Michael B. Zellner, Robert W Borys, Chester A Benjamin, Thomas L. Quigg, Corey E Yonce, Ronald Cantrell, Jennifer A. Benjamin, Benjamin P. Huntzinger, Larry McMichael, Kyle Champley, Nathan J. Sturgill, Thomas E. Nellenbach, Seth T. Halsey, Allen P. Ducote, Harry E. Martz, Kenneth W. Dudeck, Thomas J. O'Connor, David R. Schall |
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| Rok vydání: | 2018 |
| Předmět: |
medicine.medical_specialty
Tomographic reconstruction medicine.diagnostic_test business.industry Computer science Computed tomography Industrial computed tomography 01 natural sciences Imaging phantom 030218 nuclear medicine & medical imaging 010309 optics 03 medical and health sciences Flash (photography) 0302 clinical medicine 0103 physical sciences medicine Computer vision Medical physics Artificial intelligence Tomography business Fiducial marker Energy (signal processing) |
| Zdroj: | AIP Conference Proceedings. |
| ISSN: | 0094-243X |
| DOI: | 10.1063/1.5045031 |
| Popis: | The U.S. Army Research Laboratory, in conjunction with Lawrence Livermore National Laboratory, is developing a Multi-Energy Flash Computed Tomography (MEFCT) diagnostic that will be used to capture tomographic image(s) of dynamic impact and detonation events. To accomplish dynamic tomography, the diagnostic uses numerous source–detector pairs to accumulate up to fifteen two-dimensional images, which are subsequently used to compute up to three three-dimensional tomographic reconstructions. The diagnostic is designed to provide either: a single-frame, three-dimensional tomographic reconstruction that delineates material specificity throughout the field, or a three-frame tomographic reconstruction movie spaced in time, while lacking the information pertaining to the material specificity. This work assesses aspects of the diagnostic development including structural design, dynamic capability, instrument resolution and computational reconstruction. Examples of real-time measurements are provided from static phantom fiducials, as well as a dynamic experiment depicting a non-symmetric ballistic penetration to demonstrate the usefulness of the capability. |
| Databáze: | OpenAIRE |
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