Dr Kris Thielemans

Publications


Journals

  • Thielemans K; Tsoumpas C; Mustafovic S; Beisel T; Aguiar P; Dikaios N; Jacobson MW. (21 Feb 2012). STIR: software for tomographic image reconstruction release 2. Phys Med Biol. 57:867-883. DOI.
  • Polycarpou I; Thielemans K; Manjeshwar R; Aguiar P; Marsden PK; Tsoumpas C. (Nov 2011). Comparative evaluation of scatter correction in 3D PET using different scatter-level approximations. ANN NUCL MED. 25:643-649. DOI.
  • Tong S; Alessio AM; Thielemans K; Stearns C; Ross S; Kinahan PE. (Oct 2011). Properties and Mitigation of Edge Artifacts in PSF-Based PET Reconstruction. IEEE T NUCL SCI. 58:2264-2275. DOI.
  • Angelis GI; Thielemans K; Tziortzi AC; Turkheimer FE; Tsoumpas C. (Jul 2011). Convergence optimization of parametric MLEM reconstruction for estimation of Patlak plot parameters. Comput Med Imaging Graph. 35:407-416. DOI.
  • Liu C; Alessio A; Pierce L; Thielemans K; Wollenweber S; Ganin A; Kinahan P. (Sep 2010). Quiescent period respiratory gating for PET/CT. MED PHYS. 37:5037-5043. DOI.
  • Rapisarda E; Bettinardi V; Thielemans K; Gilardi MC. (21 Jul 2010). Image-based point spread function implementation in a fully 3D OSEM reconstruction algorithm for PET. PHYS MED BIOL. 55:4131-4151. DOI.
  • Tsoumpas C; Thielemans K. (Jul 2009). Direct parametric reconstruction from dynamic projection data in emission tomography including prior estimation of the blood volume component. Nuclear Medicine Communications. 30:490-493. DOI.
  • Tsoumpas C; Turkheimer FE; Thielemans K. (Sep 2008). A survey of approaches for direct parametric image reconstruction in emission tomography. MED PHYS. 35:3963-3971. DOI.
  • Sawamoto N; Piccini P; Hotton G; Pavese N; Thielemans K; Brooks DJ. (May 2008). Cognitive deficits and striato-frontal dopamine release in Parkinson's disease. BRAIN. 131:1294-1302. DOI.
  • Tsoumpas C; Turkheimer F; Thielemans K. (Apr 2008). Study of direct and indirect parametric estimation methods of linear models in dynamic positron emission tomography. Medical Physics. 35:1299-1309.
  • Thielemans K; Morel C; Jacobson MW; Kaempf JH; Mustafovic S. (Feb 2008). Normalisation of histogrammed list mode data. IEEE T NUCL SCI. 55:543-551. DOI.
  • Montgomery AJ; Thielemans K; Mehta MA; Turkheimer F; Mustafovic S; Grasby PM. (Dec 2006). Correction of head movement on PET studies: comparison of methods. J Nucl Med. 47:1936-1944.
  • Mustafovic S; Thielemans K. (Apr 2004). Object dependency of resolution in reconstruction algorithms with interiteration filtering applied to PET data. IEEE Trans Med Imaging. 23:433-446. DOI.
  • Fobelets K; Tan TL; Thielemans K; Ahmad MM; Ferguson RS; Zhang J. (Mar 2004). Colour coding Ge concentrations in Si1-xGex by bevelling and oxidation: CABOOM. SEMICOND SCI TECH. 19:510-515.
  • Bettinardi V; Pagani E; Gilardi MC; Alenius S; Thielemans K; Teras M; Fazio F. (Jan 2002). Implementation and evaluation of a 3D one-step late reconstruction algorithm for 3D positron emission tomography brain studies using median root prior. Eur J Nucl Med Mol Imaging. 29:7-18. DOI.
  • Jacobson M; Levkovitz R; Ben-Tal A; Thielemans K; Spinks T; Belluzzo D; Pagani E; Bettinardi V; et alGilardi MC; Zverovich A; Mitra G. (Aug 2000). Enhanced 3D PET OSEM reconstruction using inter-update Metz filtering. PHYS MED BIOL. 45:2417-2439.
  • Krivonos S; Thielemans K. (Nov 1996). A Mathematica(TM) package for computing N=2 superfield operator product expansions. CLASSICAL QUANT GRAV. 13:2899-2910.
  • Fobelets K; Thielemans K. (Jun 1996). Optical media with an imaginary third-order nonlinearity analyzed by Hamiltonian systems. PHYS REV A. 53:4400-4407.
  • Lu, H.; Pope, C.N.; Thielemans, K.; Wang, X.J.; Xu, K.-W.. (1995). Quantising Higher-spin String Theories. Int. J. Mod. Phys. A10:2123.
  • Lu, H.; Pope, C.N.; Wang, X.J.; Thielemans, K.. (1994). Higher-spin strings and W minimal models. Class. Quant. Grav. 11:119.
  • SEVRIN A; THIELEMANS K; TROOST W. (18 Oct 1993). INDUCED AND EFFECTIVE GRAVITY THEORIES IN D=2. NUCL PHYS B. 407:459-512.
  • SEVRIN A; THIELEMANS K; TROOST W. (15 Sep 1993). RELATION BETWEEN LINEAR AND NONLINEAR N = 3,4 SUPERGRAVITY THEORIES. PHYS REV D. 48:2789-2796.
  • FIGUEROAOFARRILL JM; SCHRANS S; THIELEMANS K. (18 Jul 1991). ON THE CASIMIR ALGEBRA OF B2. PHYS LETT B. 263:378-384.
  • Thielemans K. (1991). A Mathematica Package for Computing Operator Product Expansions. International Journal of Modern Physics C. 2:787-798. Publisher weblink DOI.
  • Hasiewicz, Z.; Thielemans, K.; Troost, W.. (1989). Superconformal Algebras and Clifford Algebras. Math. Phys. 31:744.
  • DEFEVER F; SCHRANS S; THIELEMANS K. (6 Oct 1988). MODING OF SUPERCONFORMAL ALGEBRAS. PHYS LETT B. 212:467-471.

Conferences

  • Rapisarda E; Bettinardi V; Thielemans K; Gilardi MC. A fully 3D OS-MLEM reconstruction algorithm accounting for the point spread function of a PET system. 215:37-40. (Jun 2011). DOI.
  • Rapisarda E; Bettinardi V; Thielemans K; Gilardi MC. Implementation and evaluation of a fully 3D OS-MLEM reconstruction algorithm accounting for the PSF of the PET imaging system. 197:190-193. (Dec 2009). DOI.
  • Saradhi GV; Gopalakrishnan G; Roy AS; Mullick R; Manjeshwar R; Thielemans K; Patil U. A FRAMEWORK FOR AUTOMATED TUMOR DETECTION IN THORACIC FDG PET IMAGES USING TEXTURE-BASED FEATURES. 97-100. (2009).
  • Thielemans K; Asma E; Manjeshwar RM; Ganin A; Spinks TJ. Image-based correction for mismatched attenuation in PET images. 4558-4562. (2009).
  • Thielemans K; Asma E; Manjeshwar RM. Mass-Preserving Image Registration Using Free-Form Deformation Fields. 2490-2495. (2009).
  • Tsoumpas C; Turkheimer F; Thielemans K. Comparison of Direct and Indirect Parametric Estimation Methods. Brain PET’07: The 8th International Conference on Quantification of Brain Function with PET. (May 2007).
  • Thielemans K; Manjeshwar RM; Tsoumpas C; Jansen FP. A new algorithm for scaling of PET scatter estimates using all coincidence events. IEEE Nuclear Science Symposium/Medical Imaging Conference. 3586-3590. (2007).
  • Tsoumpas C; Turkheimer F; Thielemans K. Comparison of Parametric Estimation Methods in Positron Emission Tomography. Summer Graduate Schools of Life Sciences & Medicine Research Symposium, 11 Jul 2007 - 11 Jul 2007. (2007).
  • Tsoumpas C; Turkheimer F; Thielemans K. Convergence properties of algorithms for direct parametric estimation of linear models in dynamic PET. IEEE Nuclear Science Symposium/Medical Imaging Conference. 3034-3037. (2007).
  • Dikaios N; Dinelle K; Spinks T; Nikita K; Thielemans K. Processing of transmission data from an uncollimated single photon source. 3rd International Conference on Imaging Technologies in Biomedical Sciences. 569:416-420. (20 Dec 2006).
  • Thielemans K; Mustafovic S; Tsoumpas C. STIR: Software for Tomographic Image Reconstruction Release 2. Nuclear Science Symposium and Medical Imaging Conference, 20 Oct 2006 - 4 Nov 2006. 4:2174-2176. IEEE (7 May 2007). DOI.
  • Aguiar P; Tsoumpas C; Pavia J; Falcon C; Cot A; Thielemans K; Ros D. Assessment of scattered photons on the quantification of small animal pet studies. 33:S315-S315. (Sep 2006).
  • Bouchareb Y; Thielemans K; Spinks T; Rimoldi O; Camici PG. Effect of random coincidences for quantitative cardiac PET studies using 3D oxygen-15 water scans - art. no. 61424K. 6142:K1424-K1424. (2006). DOI.
  • Thielemans K; Manjeshwar RM; Tao XD; Asma E. Lesion detectability in motion compensated image reconstruction of respiratory gated PET/CT. 3278-3282. (2006).
  • Manjeshwar R; Tao XD; Asma E; Thielemans K. Motion compensated image reconstruction of respiratory gated PET/CT. 674-677. (2006).
  • Tsoumpas C; Aguiar P; Ros D; Dikaios N; Thielemans K. Scatter simulation including double scatter. Nuclear Science Symposium/Medical Imaging Conference. 1615-1619. (2005).
  • Bouchareb Y; Thielemans K; Spinks T; Rimoldi O; Camici PG. Comparison of analytic and iterative reconstruction methods for quantitative cardiac PET studies in 3D using oxygen-15 water scans. Nuclear Science Symposium/Medical Imaging Conference. 2120-2123. (2005).
  • Thielemans K. Scatter estimation and motion correction in PET. 1745-1747. (2005).
  • Tsoumpas C; Aguiar P; Thielemans K; Nikita K; Ros D. Evaluation of a New Implementation of the Single Scatter Simulation Algorithm. 4th European Symposium on Biomedical Engineering. (Jun 2004).
  • Montgomery A; Mehta M; Turkheimer F; Thielemans K; Mustafovic S; Grasby P. Correction of head movement in PET studies: a comparison of methods. 5th International Symposium on Functional Neuroreceptor Mapping of the Living Brain. 22:T190-T191. (Feb 2004).
  • Dinelle K; Thielemans K; Tsoumpas C; Spinks T. An Evaluation of Various Analytic Reconstruction Algorithms and Implementations for 2D and 3D PET. (2004). DOI.
  • Tsoumpas C; Aguiar P; Nikita KS; Ros D; Thielemans K. Evaluation of the single scatter simulation algorithm implemented in the STIR library. Nuclear Science Symposium/Medical Imaging Conference. 3361-3365. (2004).
  • Hogg D; Thielemans K; Spinks TJ. The derivation of detector efficiencies in PET from single photon blank scans. 2206-2209. (2004).
  • Mustafovic S; Thielemans K. Comparison of unconventional inter-filtering methods to penalised-likelihood for space-invariant tomographs. IEEE Nuclear Science Symposium/Medical Imaging Conference (NSS/MIC). 1691-1695. (2003).
  • Mustafovic S; Thielemans K. Additive and multiplicative versions of the maximum a posteriori algorithm with median root prior. IEEE Nuclear Science Symposium. 1783-1785. (2002).
  • Thielemans K; Morel C; Jacobson MW; Kaempf JH; Mustafovic S. Normalisation of listmode data with application to HiDAC data. IEEE Nuclear Science Symposium. 1559-1563. (2002).
  • Mustafovic S; Thielemans K; Hogg D; Bloomfield P. Object dependency of resolution and convergence rate in OSEM with filtering. IEEE Nuclear Science Symposium. 1786-1790. (2002).
  • Maros I; Thielemans K. PET image reconstruction by vector norm optimization. International Workshop on Medical Imaging and Augmented Reality (MIRA 2001). 152-156. (2001).

Patents

  • Method of and Software for Calculating a Scatter Estimate for Tomographic Scanning and System for Tomographic Scanning. Patent number: WO 2007/007063 A1 (International). Application: PCT/GB2006/002530. Filed: 7 Jul 2006. Awarded: 5 May 2010. Published: 18 Jan 2007.
  • Method of and Software for Calculating a Scatter Estimate for Tomographic Scanning and System for Tomographic Scanning. Filed: Dec 2006.
  • Method of and Software for Calculating a Scatter Estimate for Tomographic Scanning and System for Tomographic Scanning. Application: 200612. Filed: Dec 2006.
  • Method of and software for conducting motion correction in tomographic scanning and system for tomographic scanning using the method. Filed: 20 Jul 2005.
  • Method of, and Software for, Conducting Motion Correction for a Tomographic Scanner. Application: GB04004379. Published: 28 Apr 2005.
  • Method of and software for calculating a scatter estimate for tomographic scanning and system for tomographic scanning using the method. Application: GB0513922.5. Filed: 2005. Published: 18 Jan 2007.
  • Generating Detector Efficiency Estimates for a PET Scanner. Application: GB04002340. Hogg D. Published: 16 Dec 2004.

Software

  • Thielemans, K.; others. Software for Tomographic Image Reconstruction. Author weblink.
  • Desmedt, P.; Thielemans, K.. BayesCalc, a Mathematica package for Bayesian statistics. (1993).
  • Thielemans, k. A Mathematica package for computing Operator Product Expansions. (1991).

Other publications

  • Tsoumpas C; Turkheimer F; Thielemans K. (2007). An Assessment of Parametric Image Reconstruction Methods in PET.
  • Tsoumpas C; Turkheimer F; Thielemans K. (2006). Estimation of Parametric Images in PET: An Assessment of different methods.
  • Tsoumpas C; Aguiar P; Dikaios N; Ros D; Thielemans K. (2005). Scatter Simulation Including Double Scatter.
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