Ultrafast Preconditioned Conjugate Gradient OSEM algorithm for fully 3D PET reconstruction

IEEE Nuclear Science Symposium Conference Record

Volumn , Issue , 2010, Pages 2418-2419

  Hong, I K ^a,b   Burbar, Z ^b   Michel, C ^b   Leahy, R ^c  

^a Korea Polytechnic University   (South Korea)

^b SIEMENS CORPORATE RESEARCH   (United States)

^c UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BLOCK ITERATIVE METHOD; CONJUGATE GRADIENT; CONVERGENCE RATES; DATA SETS; DIRECT METHOD; EXPECTATION MAXIMIZATION; FULLY 3-D PET; IMAGE SPACE; NUMBER OF ITERATIONS; NUMERICAL SOLUTION; OPTIMIZATION ALGORITHMS; ORDERED SUBSET EXPECTATION MAXIMIZATIONS; POSITIVE-DEFINITE MATRICES; PRECONDITIONED CONJUGATE GRADIENT; PROJECTION DOMAIN; RECONSTRUCTED IMAGE; RECONSTRUCTION PROBLEMS; SEARCH DIRECTION; SPEED-UPS; SYSTEMS OF LINEAR EQUATIONS; ULTRA-FAST; UNCONSTRAINED OPTIMIZATION PROBLEMS;

ALGORITHMS; CONVERGENCE OF NUMERICAL METHODS; GAMMA RAYS; ITERATIVE METHODS; MAXIMUM PRINCIPLE; MEDICAL IMAGING; NUCLEAR PHYSICS; OPTIMIZATION; THREE DIMENSIONAL;

CONJUGATE GRADIENT METHOD;

EID: 79960336970     PISSN: 10957863     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/NSSMIC.2010.5874221     Document Type: Conference Paper

References (3)

1. E. Mumcuoglu, R.M. Leahy, S. Cherry and Z. Zhou, "Fast gradient based methods for Bayesian reconstruction of transmission and emission PET images," IEEE TMI, 13(4): 687-701, Dec. 1994.
2. I. K. Hong, S. T. Chung, H. K. Kim, Y. B. Kim, Y. D. Son, and Z. H. Cho, "Ultra Fast Symmetry and SIMD Based Projection-backprojection (SSP) Algorithm for 3D PET Image Reconstruction," IEEE Trans. Med. Imaging, Vol. 26, Num. 6, pp.789-803, 2007.
3. Liu, Xuan, C. Comtat, C. Michel, P. Kinahan, M. Defrise, and D. Townsend, Comparison of 3-D reconstruction with 3D-OSEM and with FORE+OSEM for PET, IEEE Transactions on Medical Imaging, vol. 20, pp. 804-814, August 2001.