ISSN 1004-4140
CN 11-3017/P
Volume 16 Issue 2
Jun.  2007
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LI Hua-xin. Conjugate Gradient Applied to Image Reconstruction[J]. CT Theory and Applications, 2007, 16(2): 31-35.
Citation: LI Hua-xin. Conjugate Gradient Applied to Image Reconstruction[J]. CT Theory and Applications, 2007, 16(2): 31-35.

Conjugate Gradient Applied to Image Reconstruction

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  • Received Date: January 19, 2007
  • Available Online: December 16, 2022
  • Image reconstruction is often converted to the nonrestraint extremum of the nonlinear equations.We have deduced a conjugate gradient algorithm from the extremum of norm.The experimental results of reconstruction from simulated projections and real tomography projections have successfully shown that conjugate gradient guarantees the fitness to original image,speeds the iteration time,and can be specially used for reconstruction for incomplete projections.
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