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A Novel Technique For Ctis Image-Reconstruction, Mitchel Dewayne Horton
A Novel Technique For Ctis Image-Reconstruction, Mitchel Dewayne Horton
Doctoral Dissertations
Computed tomography imaging spectrometer (CTIS) technology is introduced and its use is discussed. An iterative method is presented for CTIS image-reconstruction in the presence of both photon noise in the image and post-detection Gaussian system noise. The new algorithm assumes the transfer matrix of the system has a particular structure. Error analysis, performance evaluation, and parallelization of the algorithm is done. Complexity analysis is performed for the proof of concept code developed. Future work is discussed relating to potential improvements to the algorithm.
An intuitive explanation for the success of the new algorithm is that it reformulates the image reconstruction …