Performance evaluation of OSEM reconstruction algorithm incorporating three-dimensional distance-dependent resolution compensation for brain SPECT: A simulation study

Annals of Nuclear Medicine

Volumn 16, Issue 1, 2002, Pages 11-18

  Yokoi, Takashi ^a   Shinohara, Hiroyuki ^b   Onishi, Hideo ^c  

^a SHIMADZU CORPORATION   (Japan)

^b TOKYO METROPOLITAN UNIVERSITY   (Japan)

^c Hiroshima Prefectural Coll Hlth Sci   (Japan)

Author keywords

Collimator; Distance dependent blurring; Ordered subset expectation maximization (OSEM); Resolution compensation; Single photon emission computed tomography (SPECT)

Indexed keywords

ACCURACY; ALGORITHM; ARTICLE; ATTENUATION; BRAIN PERFUSION; COLLIMATOR; COMPUTER SIMULATION; EVALUATION; GRAY MATTER; IMAGE PROCESSING; IMAGE QUALITY; IMAGE RECONSTRUCTION; NOISE REDUCTION; NORMAL DISTRIBUTION; OPTICAL RESOLUTION; ORDERED SUBSET EXPECTATION MAXIMIZATION ALGORITHM; PERFORMANCE; PHANTOM; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; SINGLE PHOTON EMISSION COMPUTER TOMOGRAPHY; THREE DIMENSIONAL IMAGING; WHITE MATTER;

ALGORITHMS; BRAIN; COMPUTER SIMULATION; HUMANS; IMAGING, THREE-DIMENSIONAL; MODELS, NEUROLOGICAL; MODELS, STATISTICAL; NORMAL DISTRIBUTION; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; SCATTERING, RADIATION; SENSITIVITY AND SPECIFICITY; STOCHASTIC PROCESSES; TOMOGRAPHY, EMISSION-COMPUTED, SINGLE-PHOTON;

EID: 0036216263     PISSN: 09147187     EISSN: None     Source Type: Journal    
DOI: 10.1007/bf02995286     Document Type: Article

References (38)

1. Fourier method for correction of depth-dependent collimator blurring
2. Frequency domain implementation of the three-dimensional geometric point response correction in SPECT imaging
3. Simultaneous correction of attenuation and distance-dependent resolution in SPECT an analytical approach
4. Noniterative compensation of photon attenuation and the distance-dependent detector response in SPECT imaging
5. Fourier correction for spatially variant collimator blurring in SPECT
6. Quantitative cardiac SPECT in three dimensions: Validation by experimental phantom studies
7. Scatter, attenuation and detector response correction of SPECT
8. Iterative correction method of shift-variant blurring caused by collimator aperture in SPECT
9. Maximum likelihood reconstruction for emission tomography
10. Accelerated image reconstruction using ordered subsets of projection data
11. Improvement of brain SPET using transmission data acquisition in a four-head SPET scanner
12. Combined scatter and attenuation correction for Tl-201 myocardial perfusion SPECT using OS-EM algorithm
13. Implementation of simultaneous attenuation and detector response correction in SPECT
14. Compensation of spatial system response in SPECT with conjugate gradient reconstruction technique
15. Three-dimensional iterative reconstruction algorithms with attenuation and geometric point response correction
16. Simultaneous compensation for attenuation, scatter and detector response for SPECT reconstruction in three dimensions
17. Comparison between ML-EM and WLS-CG algorithms for SPECT image reconstruction
18. Distributed 3-D iterative reconstruction for quantitative SPECT
19. Influence of OSEM elliptical orbits and background activity on SPECT 3D resolution recovery
20. Reducing the influence of the partial volume effect on SPECT activity quantitation with 3D modeling of spatial resolution in iterative reconstruction
21. Comparison of frequency-distance relationship and Gaussian-diffusion-based method of compensation for distance-dependent spatial resolution in SPECT imaging
22. A technique for simulation of the point spread function of a gamma camera
23. Non-iterative methods incorporating a priori source distribution and data information for suppression of image noise and artifacts in 3D SPECT
24. Application of distance-dependent resolution compensation and post-reconstruction filtering for myocardial SPECT
25. Implementation and performance evaluation of iterative reconstruction algorithms in SPECT: A simulation study using EGS4
26. A practical method for position-dependent Compton-scatter correction in single-photon emission CT
27. Compton scatter compensation using the triple-energy window method for single- and dual-isotope SPECT
28. Application of transmission scan-based attenuation compensation to scatter-corrected thallium-201 myocardial single-photon emission tomographic images
29. A transmission dependent method for scatter correction in SPECT
30. Monte Carlo and experimental evaluation of accuracy and noise properties of two scatter correction methods for SPECT
31. Effects of scatter and attenuation correction on quantitative assessment of regional cerebral blood flow with SPECT
32. Implementation of a model-based nonuniform scatter correction scheme for SPECT
33. Scatter compensation methods in 3D iterative SPECT reconstruction: A simulation study
34. SPECT scatter modeling in non-uniform attenuating objects
35. Implementation of reconstruction program using maximum likelihood-expectation maximization (ML-EM) algorithm
36. Orbit-related variation in spatial resolution as a source of artifactual defects in thallium-201 SPECT