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Published in:
2010 | OriginalPaper | Chapter
Fan-Beam Image Reconstruction
Author : Prof. Dr. Gengsheng Lawrence Zeng
Published in: Medical Image Reconstruction
Publisher: Springer Berlin Heidelberg
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The image reconstruction algorithms discussed in Chapter 2 are for parallelbeam imaging. If the data acquisition system produces projections that are not along parallel lines, the image reconstruction algorithms presented in Chapter 2 cannot be applied directly. This chapter uses the flat detector and curved detector fan-beam imaging geometries to illustrate how a parallelbeam reconstruction algorithm can be converted to user’s imaging geometry for image reconstruction.