Gap-filling for the high-resolution PET sinograms with a dedicated DCT-domain filter U Tuna, S Peltonen, U Ruotsalainen
IEEE Transactions on Medical Imaging 29 (3), 830-839, 2010
56 2010 Compensation of missing wedge effects with sequential statistical reconstruction in electron tomography L Paavolainen, E Acar, U Tuna, S Peltonen, T Moriya, P Soonsawad, ...
PloS one 9 (10), e108978, 2014
41 2014 Interpolation for the gap-filling of the HRRT PET sinograms by using the slices in the direction of the radial samples U Tuna, S Peltonen, U Ruotsalainen
2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 3273-3279, 2009
28 2009 Gap-filling methods for 3D PlanTIS data A Loukiala, U Tuna, S Beer, S Jahnke, U Ruotsalainen
Physics in Medicine & Biology 55 (20), 6125, 2010
21 2010 PET sinogram denoising by block-matching and 3D filtering S Peltonen, U Tuna, E Sánchez-Monge, U Ruotsalainen
2011 IEEE Nuclear Science Symposium Conference Record, 3125-3129, 2011
14 2011 Data estimation for the ECAT HRRT sinograms by utilizing the DCT domain U Tuna, S Peltonen, U Ruotsalainen
2008 IEEE Nuclear Science Symposium Conference Record, 5076-5080, 2008
14 2008 AX-PET: a novel PET concept with G-APD readout E Bolle, C Casella, E Chesi, R De Leo, G Dissertori, V Fanti, JE Gillam, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2012
10 2012 Probabilistic color constancy F Laakom, J Raitoharju, A Iosifidis, U Tuna, J Nikkanen, M Gabbouj
2020 IEEE International Conference on Image Processing (ICIP), 978-982, 2020
9 2020 Automatic white balancing with chromaticity measure of raw image data U Tuna, J Nikkanen, V Uzunov
US Patent 9,386,289, 2016
9 2016 Low count PET sinogram denoising S Peltonen, U Tuna, U Ruotsalainen
2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record …, 2012
9 2012 A Monte-Carlo based model of the AX-PET demonstrator and its experimental validation P Solevi, JF Oliver, JE Gillam, E Bolle, C Casella, E Chesi, R De Leo, ...
Physics in Medicine & Biology 58 (16), 5495, 2013
8 2013 Image quantification in high-resolution PET assessed with a new anthropomorphic brain phantom J Johansson, J Teuho, J Lindén, U Tuna, T Tolvanen, V Saunavaara, ...
2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS …, 2013
7 2013 The AX-PET concept: New developments and tomographic imaging P Beltrame, E Bolle, A Braem, C Casella, E Chesi, N Clinthorne, R De Leo, ...
2011 IEEE Nuclear Science Symposium Conference Record, 4411-4419, 2011
6 2011 AX-PET: Concept, proof of principle and first results with phantoms P Beltrame, E Bolle, A Braem, C Casella, E Chesi, N Clinthorne, R De Leo, ...
IEEE Nuclear Science Symposuim & Medical Imaging Conference, 2754-2757, 2010
6 2010 Can we reduce SPECT acquisition time using MAP-EM reconstruction? U Tuna, A Sohlberg, U Ruotsalainen
Journal of Pattern Recognition and Intelligent Systems 1 (3), 54-63, 2013
5 2013 Metal artifact reduction with DCT-domain gap-filling method U Tuna, U Ruotsalainen
2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record …, 2012
4 2012 Sequential regularized MLEM reconstruction method for incomplete sinograms U Tuna, A Pepe, U Ruotsalainen
2011 IEEE Nuclear Science Symposium Conference Record, 2553-2557, 2011
4 2011 Evaluation of analytical reconstruction with a new gap-filling method in comparison to iterative reconstruction in [ ]-raclopride PET studies U Tuna, J Johansson, U Ruotsalainen
Annals of nuclear medicine 28, 417-429, 2014
3 2014 Uygar Tuna, Sari Peltonen, Toshio Moriya, Pan Soonsawad, Varpu Marjomäki, R Holland Cheng, and Ulla Ruotsalainen. Compensation of missing wedge effects with sequential … L Paavolainen, E Acar
PloS one 9 (10), e108978, 2014
3 2014 1-D interpolation method for the HRRT PET sinogram gap-filling S Peltonen, U Tuna, U Ruotsalainen
2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS …, 2013
3 2013