O'Sullivan JA - Search Results

1

A scatter and randoms weighted (SRW) iterative PET reconstruction.

Cheng JC, Laforest R, O'Sullivan JA. Cheng JC, et al. Med Phys. 2011 Jun;38(6):3186-92. doi: 10.1118/1.3590379. Med Phys. 2011. PMID: 21815393 Free PMC article.

2

Deblurring subject to nonnegativity constraints when known functions are present with application to object-constrained computerized tomography.

Snyder DL, O'Sullivan JA, Whiting BR, Murphy RJ, Benac J, Cataldo JA, Politte DG, Williamson JF. Snyder DL, et al. IEEE Trans Med Imaging. 2001 Oct;20(10):1009-17. doi: 10.1109/42.959298. IEEE Trans Med Imaging. 2001. PMID: 11686436

3

Prospects for quantitative computed tomography imaging in the presence of foreign metal bodies using statistical image reconstruction.

Williamson JF, Whiting BR, Benac J, Murphy RJ, Blaine GJ, O'Sullivan JA, Politte DG, Snyder DL. Williamson JF, et al. Med Phys. 2002 Oct;29(10):2404-18. doi: 10.1118/1.1509443. Med Phys. 2002. PMID: 12408315

4

Properties of preprocessed sinogram data in x-ray computed tomography.

Whiting BR, Massoumzadeh P, Earl OA, O'Sullivan JA, Snyder DL, Williamson JF. Whiting BR, et al. Med Phys. 2006 Sep;33(9):3290-303. doi: 10.1118/1.2230762. Med Phys. 2006. PMID: 17022224

5

Image reconstruction for transmission tomography when projection data are incomplete.

Snyder DL, O'Sullivan JA, Murphy RJ, Politte DG, Whiting BR, Williamson JF. Snyder DL, et al. Phys Med Biol. 2006 Nov 7;51(21):5603-19. doi: 10.1088/0031-9155/51/21/015. Epub 2006 Oct 16. Phys Med Biol. 2006. PMID: 17047273

6

2D linear and iterative reconstruction algorithms for a PET-insert scanner.

Pal D, O'sullivan JA, Wu H, Janecek M, Tai YC. Pal D, et al. Phys Med Biol. 2007 Jul 21;52(14):4293-310. doi: 10.1088/0031-9155/52/14/018. Epub 2007 Jun 20. Phys Med Biol. 2007. PMID: 17664609

7

Virtual-pinhole PET.

Tai YC, Wu H, Pal D, O'Sullivan JA. Tai YC, et al. J Nucl Med. 2008 Mar;49(3):471-9. doi: 10.2967/jnumed.107.043034. Epub 2008 Feb 20. J Nucl Med. 2008. PMID: 18287272 Free PMC article.

8

Micro insert: a prototype full-ring PET device for improving the image resolution of a small-animal PET scanner.

Wu H, Pal D, Song TY, O'Sullivan JA, Tai YC. Wu H, et al. J Nucl Med. 2008 Oct;49(10):1668-76. doi: 10.2967/jnumed.107.050070. Epub 2008 Sep 15. J Nucl Med. 2008. PMID: 18794253 Free PMC article.

9

Noise-resolution tradeoffs in x-ray CT imaging: a comparison of penalized alternating minimization and filtered backprojection algorithms.

Evans JD, Politte DG, Whiting BR, O'Sullivan JA, Williamson JF. Evans JD, et al. Med Phys. 2011 Mar;38(3):1444-58. doi: 10.1118/1.3549757. Med Phys. 2011. PMID: 21520856 Free PMC article.

10

Image reconstruction and system modeling techniques for virtual-pinhole PET insert systems.

Keesing DB, Mathews A, Komarov S, Wu H, Song TY, O'Sullivan JA, Tai YC. Keesing DB, et al. Phys Med Biol. 2012 May 7;57(9):2517-38. doi: 10.1088/0031-9155/57/9/2517. Epub 2012 Apr 11. Phys Med Biol. 2012. PMID: 22490983 Free PMC article.

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