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Journal articles
Noniterative sequential weighted least squares algorithm for positron emission tomography reconstruction.
Abstract : This paper proposes a new sequential weighted least squares (SWLS) method for positron emission tomography (PET) reconstruction. The SWLS algorithm is noniterative and can be considered as equivalent to the penalized WLS (PWLS) method under certain initial conditions. However, a full implementation of SWLS is computationally intensive. To overcome this problem, we propose a simplified SWLS as a reasonable alternative to the SWLS. The performance of this SWLS method is evaluated in experiments using both simulated and clinical data. The results show that the method can be advantageously compared with the original SWLS both in computation time and reconstruction quality.
Cited literature [20 references]
https://www.hal.inserm.fr/inserm-00337826
Contributor : Lotfi Senhadji Connect in order to contact the contributor
Submitted on : Wednesday, November 12, 2008 - 6:29:08 PM
Last modification on : Thursday, March 31, 2022 - 3:40:47 AM
Long-term archiving on: : Tuesday, October 9, 2012 - 3:10:57 PM
Contributor : Lotfi Senhadji Connect in order to contact the contributor
Submitted on : Wednesday, November 12, 2008 - 6:29:08 PM
Last modification on : Thursday, March 31, 2022 - 3:40:47 AM
Long-term archiving on: : Tuesday, October 9, 2012 - 3:10:57 PM
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