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Jyrki Lötjönen

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Three-Dimensional Imaging

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Publications

TOP 3
Miguel Ángel Muñoz-Ruiz; Ritva Vanninen; Anette Hall; Päivi Hartikainen; Sanna-Kaisa Herukka; Valtteri Julkunen; Juha Koikkalainen; Yawu Liu; Jyrki Lötjönen; Jussi Mattila; Hilkka Soininen
Disease state fingerprint in frontotemporal degeneration with reference to Alzheimer's disease and mild cognitive impairment.
Yawu Liu; Jyrki Lötjönen; Jussi Mattila; Teemu Paajanen; Miguel Ángel Muñoz Ruiz; Hilkka Soininen; Mark van Gils; Gunhild Waldemar; Sanna-Kaisa Herukka; Juha Koikkalainen
Predicting AD conversion: comparison between prodromal AD guidelines and computer assisted PredictAD tool.
Robin Wolz; Paul Aljabar; Joseph V Hajnal; Jyrki Lötjönen; Daniel Rueckert
Nonlinear dimensionality reduction combining MR imaging with non-imaging information.

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All Publications

2013: Miguel Ángel Muñoz-Ruiz; Ritva Vanninen; Anette Hall; Päivi Hartikainen; Sanna-Kaisa Herukka; Valtteri Julkunen; Juha Koikkalainen; Yawu Liu; Jyrki Lötjönen; Jussi Mattila; Hilkka Soininen
Disease state fingerprint in frontotemporal degeneration with reference to Alzheimer's disease and mild cognitive impairment.
Journal of Alzheimer's disease : JAD 2013;35(4):727-39.
2013: Yawu Liu; Jyrki Lötjönen; Jussi Mattila; Teemu Paajanen; Miguel Ángel Muñoz Ruiz; Hilkka Soininen; Mark van Gils; Gunhild Waldemar; Sanna-Kaisa Herukka; Juha Koikkalainen
Predicting AD conversion: comparison between prodromal AD guidelines and computer assisted PredictAD tool.
PloS one 2013;8(2):e55246.
2012: Robin Wolz; Paul Aljabar; Joseph V Hajnal; Jyrki Lötjönen; Daniel Rueckert
Nonlinear dimensionality reduction combining MR imaging with non-imaging information.
Medical image analysis 2012;16(4):819-30.
2012: V Härmä; S Kaewphan; Olli Kallioniemi; M Knuuttila; Pekka Kohonen; P Kovanen; Jyrki Lötjönen; Tuomas Mirtti; I Ahonen; R Grafström; A Happonen; J Virtanen; M Nees
Lysophosphatidic acid and sphingosine-1-phosphate promote morphogenesis and block invasion of prostate cancer cells in three-dimensional organotypic models.
Oncogene 2012;31(16):2075-89.
2012: Miguel Ángel Muñoz-Ruiz; Eini Niskanen; Daniel Rueckert; Päivi Hartikainen; Sanna-Kaisa Herukka; Valtteri Julkunen; Miia Kivipelto; Juha Koikkalainen; Yawu Liu; Jyrki Lötjönen; Ritva Vanninen; Robin Wolz; Hilkka Soininen
Structural MRI in frontotemporal dementia: comparisons between hippocampal volumetry, tensor-based morphometry and voxel-based morphometry.
PloS one 2012;7(12):e52531.
2012: Anja H Simonsen; Hilkka Soininen; Mark van Gils; Kristian S Frederiksen; Merja Hallikainen; Anne-Mette Hejl; Sanna-Kaisa Herukka; Jyrki Lötjönen; Jussi Mattila; Gunhild Waldemar
Application of the PredictAD software tool to predict progression in patients with mild cognitive impairment.
Dementia and geriatric cognitive disorders 2012;34(5-6):344-50.
2012: Jussi Mattila; Daniel Rueckert; Hilkka Soininen; Gunhild Waldemar; Robin Wolz; Juha Koikkalainen; Jyrki Lötjönen
Optimizing the diagnosis of early Alzheimer's disease in mild cognitive impairment subjects.
Journal of Alzheimer's disease : JAD 2012;32(4):969-79.
2012: Juha Koikkalainen; Jyrki Lötjönen; Jussi Mattila; Harri Pölönen; Hilkka Soininen; Mark van Gils
Improved classification of Alzheimer's disease data via removal of nuisance variability.
PloS one 2012;7(2):e31112.
2012: Lennart Thurfjell; Gunhild Waldemar; David J Brooks; Juha Koikkalainen; Jyrki Lötjönen; Roger Lundqvist; Hilkka Soininen; Rik Vandenberghe
Combination of biomarkers: PET [18F]flutemetamol imaging and structural MRI in dementia and mild cognitive impairment.
Neuro-degenerative diseases 2012;10(1-4):246-9.
2012: Hilkka Soininen; Lennart Thurfjell; Mark van Gils; Gunhild Waldemar; A Hviid Simonsen; Juha Koikkalainen; Jyrki Lötjönen; Jussi Mattila; Daniel Rueckert
Software tool for improved prediction of Alzheimer's disease.
Neuro-degenerative diseases 2012;10(1-4):149-52.
2011: Juha Koikkalainen; Jyrki Lötjönen; Daniel Rueckert; Hilkka Soininen; Lennart Thurfjell; Gunhild Waldemar
Multi-template tensor-based morphometry: application to analysis of Alzheimer's disease.
NeuroImage 2011;56(3):1134-44.
2011: Jyrki Lötjönen; Robin Wolz; Juha Koikkalainen; Valtteri Julkunen; Lennart Thurfjell; Roger Lundqvist; Gunhild Waldemar; Hilkka Soininen; Daniel Rueckert
Fast and robust extraction of hippocampus from MR images for diagnostics of Alzheimer's disease.
NeuroImage 2011;56(1):185-96.
2011: Matej Oresic; T Seppänan-Laakso; Marko Sysi-Aho; P V Gopalacharyulu; M Hallikainen; S Helisalmi; Sanna-Kaisa Herukka; Tuulia Hyötyläinen; V Julkunen; M Kivipelto; Juha Koikkalainen; Jyrki Lötjönen; I Mattila; H Soininen
Metabolome in progression to Alzheimer's disease.
Translational psychiatry 2011;1():e57.
2011: Robin Wolz; Dong Ping Zhang; Valtteri Julkunen; Juha Koikkalainen; Jyrki Lötjönen; Eini Niskanen; Daniel Rueckert; Hilkka Soininen
Multi-method analysis of MRI images in early diagnostics of Alzheimer's disease.
PloS one 2011;6(10):e25446.
2011: Jussi Mattila; Anja Simonsen; Hilkka Soininen; Mark van Gils; Arho Virkki; Gunhild Waldemar; Juha Koikkalainen; Jyrki Lötjönen
A disease state fingerprint for evaluation of Alzheimer's disease.
Journal of Alzheimer's disease : JAD 2011;27(1):163-76.
2011: Marko Sysi-Aho; Juha Koikkalainen; Tuulikki Seppänen-Laakso; Maija Kaartinen; Johanna Kuusisto; Keijo Peuhkurinen; Satu Kärkkäinen; Margareta Antila; Kirsi Lauerma; Eeva Reissell; Raija Jurkko; Jyrki Lötjönen; Tiina Heliö; Matej Orešič
Serum lipidomics meets cardiac magnetic resonance imaging: profiling of subjects at risk of dilated cardiomyopathy.
PloS one 2011;6(1):e15744.
2010: Robin Wolz; Rolf A Heckemann; Paul Aljabar; Joseph V Hajnal; Alexander Hammers; Jyrki Lötjönen; Daniel Rueckert
Measurement of hippocampal atrophy using 4D graph-cut segmentation: application to ADNI.
NeuroImage 2010;52(1):109-18.
2010: Ville Härmä; Johannes Virtanen; Rami Mäkelä; Antti Happonen; John-Patrick Mpindi; Matias Knuuttila; Pekka Kohonen; Jyrki Lötjönen; Olli Kallioniemi; Matthias Nees
A comprehensive panel of three-dimensional models for studies of prostate cancer growth, invasion and drug responses.
PloS one 2010;5(5):e10431.
2009: Matej Oresic; Jyrki Lötjönen; Hilkka Soininen
Systems medicine and the integration of bioinformatic tools for the diagnosis of Alzheimer's disease.
Genome medicine 2009;1(11):83.
2008: Juha Koikkalainen; Tuomas Tölli; Kirsi Lauerma; Kari Antila; Elina Mattila; Mikko Lilja; Jyrki Lötjönen
Methods of artificial enlargement of the training set for statistical shape models.
IEEE transactions on medical imaging 2008;27(11):1643-54.
2008: Sanna Toiviainen-Salo; Olli Pitkänen; Miia Holmström; Juha Koikkalainen; Jyrki Lötjönen; Kirsi Lauerma; Mervi Taskinen; Erkki Savilahti; Jeffrey Smallhorn; Outi Mäkitie; Sari Kivistö
Myocardial function in patients with Shwachman-Diamond syndrome: aspects to consider before stem cell transplantation.
Pediatric blood & cancer 2008;51(4):461-7.
2008: Juha Koikkalainen; Mervi Könönen; Jari Karhu; Jarmo Ruohonen; Eini Niskanen; Jyrki Lötjönen
Dynamic probabilistic atlas of functional brain regions for transcranial magnetic stimulation.
Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2008;11(Pt 1):543-50.
2007: Anu Juslin; Jyrki Lötjönen; Sergey Nesterov; Kari K Kalliokoski; Juhani Knuuti; Ulla Ruotsalainen
Alignment of 3-dimensional cardiac structures in O-15-labeled water PET emission images with mutual information.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology 2007;14(1):82-91.
2007: Juha Koikkalainen; Jussi Hirvonen; Mikko Nyman; Jyrki Lötjönen; Jarmo Hietala; Ulla Ruotsalainen
Shape variability of the human striatum--Effects of age and gender.
NeuroImage 2007;34(1):85-93.
2006: Tuomas Tölli; Juha Koikkalainen; Kirsi Lauerma; Jyrki Lötjönen
Artificially enlarged training set in image segmentation.
Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2006;9(Pt 1):75-82.
2006: Mika Pollari; Tuomas Neuvonen; Jyrki Lötjönen
Affine registration of diffusion tensor MR images.
Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2006;9(Pt 2):629-36.
2005: Jyrki Lötjönen; Mika Pollari; Sari Kivistö; Kirsi Lauerma
Correction of motion artifacts from cardiac cine magnetic resonance images.
Academic radiology 2005;12(10):1273-84.
2005: Paula Paavilainen; Korhonen Ilkka; Jyrki Lötjönen; Luc Cluitmans; Marja Jylhä; Antti Särelä; Markku Partinen
Circadian activity rhythm in demented and non-demented nursing-home residents measured by telemetric actigraphy.
Journal of sleep research 2005;14(1):61-8.
2004: Juha Koikkalainen; Jyrki Lötjönen
Reconstruction of 3-D head geometry from digitized point sets: an evaluation study.
IEEE transactions on information technology in biomedicine : a publication of the IEEE Engineering in Medicine and Biology Society 2004;8(3):377-86.
2004: Jyrki Lötjönen; Sari Kivistö; Juha Koikkalainen; Daniel Smutek; Kirsi Lauerma
Statistical shape model of atria, ventricles and epicardium from short- and long-axis MR images.
Medical image analysis 2004;8(3):371-86.
2003: Jyrki Lötjönen
Construction of patient-specific surface models from MR images: application to bioelectromagnetism.
Computer methods and programs in biomedicine 2003;72(2):167-78.
2003: Timo Mäkelä; Quoc Cuong Pham; Patrick CLARYSSE; Jukka Nenonen; Jyrki Lötjönen; Outi Sipilä; Helena Hänninen; Kirsi Lauerma; Juhani Knuuti; Toivo Katila; Isabelle E Magnin
A 3-D model-based registration approach for the PET, MR and MCG cardiac data fusion.
Medical image analysis 2003;7(3):377-89.
2003: Jyrki Lötjönen; Korhonen Ilkka; Kari Hirvonen; Satu Eskelinen; Marko Myllymäki; Markku Partinen
Automatic sleep-wake and nap analysis with a new wrist worn online activity monitoring device vivago WristCare.
Sleep 2003;26(1):86-90.
2000: Katja Pesola; Jyrki Lötjönen; Jukka Nenonen; Isabelle E Magnin; Kirsi Lauerma; Riccardo Fenici; Toivo Katila
The effect of geometric and topologic differences in boundary element models on magnetocardiographic localization accuracy.
IEEE transactions on bio-medical engineering 2000;47(9):1237-47.
1999: Jyrki Lötjönen; P J Reissman; Isabelle E Magnin; Toivo Katila
Model extraction from magnetic resonance volume data using the deformable pyramid.
Medical image analysis 1999;3(4):387-406.
1999: Jyrki Lötjönen; Isabelle E Magnin; Jukka Nenonen; Toivo Katila
Reconstruction of 3-D geometry using 2-D profiles and a geometric prior model.
IEEE transactions on medical imaging 1999;18(10):992-1002.
1999: Katja Pesola; Jukka Nenonen; Riccardo Fenici; Jyrki Lötjönen; Markku Makijarvi; Peter Fenici; Petri Korhonen; Kirsi Lauerma; M Valkonen; Lauri Toivonen; Toivo Katila
Bioelectromagnetic localization of a pacing catheter in the heart.
Physics in medicine and biology 1999;44(10):2565-78.
1999: Riccardo Fenici; Jukka Nenonen; Katja Pesola; Petri Korhonen; Jyrki Lötjönen; Markku Makijarvi; Lauri Toivonen; Veli-Pekka Poutanen; Pekka Keto; Toivo Katila
Nonfluoroscopic localization of an amagnetic stimulation catheter by multichannel magnetocardiography.
Pacing and clinical electrophysiology : PACE 1999;22(8):1210-20.