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Rebinning Methods for Cone Beam SPECT Reconstruction with Non-Uniform Attenuation

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5 Author(s)
Yunbin Chen ; Dept. of Biomed. Eng., Beijing Inst. of Technol., Beijing, China ; Junhai Wen ; Li Wang ; Peng Hu
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Single photon emission computed tomography (SPECT) could achieve the functional image of the organ of interest, so the diseases can be found much earlier. Cone-beam SPECT reconstruction can improve the photo density and spatial resolution of the reconstructed image. A simple method for cone beam reconstruction is to rebin the cone-beam projection data into 2D sinograms and use 2D reconstruction method to obtain the 3D reconstructed images. In this paper, we proposed two rebinning methods for cone-beam SPECT reconstruction with non-uniform attenuation, these two algorithms both can obtain good reconstruction results, especially when reconstructed slice is close to the mid-plane.

Published in:

Biomedical Engineering and Informatics, 2009. BMEI '09. 2nd International Conference on

Date of Conference:

17-19 Oct. 2009