Published June 10, 2010
| Version v1
Conference paper
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Three-dimensional imaging of hidden objects using positron emission backscatter
Authors/Creators
- Dongwon Lee,
- Lee, Dongwon Los Alamos National Laboratory
- Cowee, Misa Los Alamos National Laboratory
- Fenimore, Ed Los Alamos National Laboratory
- Galassi, Mark Los Alamos National Laboratory
- Looker, Quinn Los Alamos National Laboratory
- Mcneil, Wendy V. Los Alamos National Laboratory
- Vogan-Mcneil, W.
- Stonehill, Laura Los Alamos National Laboratory
- Wallace, Mark Los Alamos National Laboratory
Description
Positron emission backscatter imaging is a technique for interrogation and three-dimensional (3-D) reconstruction of hidden objects when we only have access to the objects from one side. Using time-of-flight differences in detected direct and backscattered positron-emitted photons, we construct 3-D images of target objects. Recently at Los Alamos National Laboratory, a fully three-dimensional imaging system has been built and the experimental results are discussed in this paper. Quantitative analysis of images reconstructed in both two- and three-dimensions are also presented.
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