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Umeå universitet
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Personalbild Tommy Löfstedt

Tommy Löfstedt

Kontakt

E-post
tommy.lofstedt@umu.se

Verksam vid

Anknytning
Första forskningsingenjör vid Institutionen för strålningsvetenskaper Enhet: Radiofysik
Plats
27, Norrlands universitetssjukhus Umeå universitet, 901 87 Umeå
2019
Network Regularization in Imaging Genetics Improves Prediction Performances and Model Interpretability on Alzheimer’s Disease
2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI 2019), IEEE 2019 : 1403-1406
Guigui, N.; Philippe, C.; Gloaguen, A.; et al.
2019
A constrained singular value decomposition method that integrates sparsity and orthogonality
PLoS ONE, Vol. 14, (3)
Guillemot, Vincent; Beaton, Derek; Gloaguen, Arnaud; et al.
2019
Gray-level invariant Haralick texture features
PLoS ONE, Public Library of Science 2019, Vol. 14, (2)
Löfstedt, Tommy; Brynolfsson, Patrik; Nyholm, Tufve; et al.
2019
Localization Network and End-to-End Cascaded U-Nets for Kidney Tumor Segmentation
MICCAI 2019, Shenzhen, China, Oct 13-17, 2019
Vu, Minh; Grimbergen, Guus; Simkó, Attila; et al.
2019
Ensemble of Streamlined Bilinear Visual Question Answering Models for the ImageCLEF 2019 Challenge in the Medical Domain
CLEF 2019: Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum
Vu, Minh; Sznitman, Raphael; Nyholm, Tufve; et al.
2018
Gray-level invariant Haralick texture features
Radiotherapy and Oncology, Elsevier 2018, Vol. 127 : S279-S280
Brynolfsson, Patrik; Löfstedt, Tommy; Asklund, Thomas; et al.
2018
Using deep learning to generate synthetic CTs for radiotherapy treatment planning
Radiotherapy and Oncology, Elsevier 2018, Vol. 127 : S283-S283
Bylund, Mikael; Jonsson, Joakim; Lundman, Josef; et al.
2018
Prediction of activation patterns preceding hallucinations in patients with schizophrenia using machine learning with structured sparsity
Human Brain Mapping, Vol. 39, (4) : 1777-1788
de Pierrefeu, Amicie; Fovet, Thomas; Hadj-Selem, Fouad; et al.
2018
Structured Sparse Principal Components Analysis With the TV-Elastic Net Penalty
IEEE Transactions on Medical Imaging, IEEE 2018, Vol. 37, (2) : 396-407
de Pierrefeu, Amicie; Löfstedt, Tommy; Hadj-Selem, Fouad; et al.
2018
Identifying a neuroanatomical signature of schizophrenia, reproducible across sites and stages, using machine-learning with structured sparsity
Acta Psychiatrica Scandinavica, John Wiley & Sons 2018, Vol. 138 : 571-580
de Pierrefeu, Amicie; Löfstedt, Tommy; Laidi, C.; et al.
2018
Density Estimation of Grey-Level Co-Occurrence Matrices for Image Texture Analysis
Physics in Medicine and Biology, Institute of Physics and Engineering in Medicine 2018, Vol. 63, (19) : 9-15
Garpebring, Anders; Brynolfsson, Patrik; Kuess, Peter; et al.
2018
Parameter estimation using weighted total least squares in the two-compartment exchange model
Magnetic Resonance in Medicine, John Wiley & Sons 2018, Vol. 79, (1) : 561-567
Garpebring, Anders; Tommy, Löfstedt
2018
Continuation of Nesterov's Smoothing for Regression With Structured Sparsity in High-Dimensional Neuroimaging
IEEE Transactions on Medical Imaging, IEEE 2018, Vol. 37, (11) : 2403-2413
Hadj-Selem, Fouad; Löfstedt, Tommy; Dohmatob, Elvis; et al.
2018
Simulated Data for Linear Regression with Structured and Sparse Penalties: Introducing pylearn-simulate
Journal of Statistical Software, Foundation for Open Access Statistics 2018, Vol. 87, (3)
Löfstedt, Tommy; Guillemot, Vincent; Frouin, Vincent; et al.
2016
Structured Variable Selection for Regularized Generalized Canonical Correlation Analysis
MULTIPLE FACETS OF PARTIAL LEAST SQUARES AND RELATED METHODS, SPRINGER INT PUBLISHING AG 2016 : 129-139
Löfstedt, Tommy; Hadj-Selem, Fouad; Guillemot, Vincent; et al.
2015
Preliminary evaluation of dorsal muscle activity during resisted cervical extension in patients with longstanding pain and disability following anterior cervical decompression and fusion surgery
Physiotherapy, Vol. 101, (1) : 69-74
Peolsson, A.; Peolsson, Michael; Jull, G.; et al.
2014
Predictive support recovery with TV-Elastic Net penalty and logistic regression: An application to structural MRI
IEEE conference proceedings 2014
Dubois, Mathieu; Hadj-Selem, Fouad; Löfstedt, Tommy; et al.
2013
Multiblock and Path Modeling with OnPLS
New Perspectives in Partial Least Squares and Related Methods (Part IV), Springer Science+Business Media B.V. 2013 : 209-220
Löfstedt, Tommy; Hanafi, Mohamed; Trygg, Johan
2013
Global, local and unique decompositions in OnPLS for multiblock data analysis
Analytica Chimica Acta, Vol. 791 : 13-24
Löfstedt, Tommy; Hoffman, Daniel; Trygg, Johan
2013
OnPLS integration of transcriptomic, proteomic and metabolomic data shows multi-level oxidative stress responses in the cambium of transgenic hipI- superoxide dismutase Populus plants
BMC Genomics, BioMed Central 2013, Vol. 14
Srivastava, Vaibhav; Obudulu, Ogonna; Bygdell, Joakim; et al.
2012
OnPLS: Orthogonal projections to latent structures in multiblock and path model data analysis
Umeå: Umeå universitet 2012
Löfstedt, Tommy
2012
Dynamic ultrasound imaging: a multivariate approach for the analysis and comparison of time-dependent musculoskeletal movements
BMC Medical Imaging, Vol. 12, (1) : 29-
Löfstedt, Tommy; Ahnlund, Olof; Peolsson, Michael; et al.
2012
Bi-modal OnPLS
Journal of Chemometrics, John Wiley & Sons 2012, Vol. 26, (6) : 236-245
Löfstedt, Tommy; Eriksson, Lennart; Gunilla Wormbs, Gunilla; et al.
2012
OnPLS path modelling
Chemometrics and Intelligent Laboratory Systems, Elsevier 2012, Vol. 118 : 139-149
Löfstedt, Tommy; Hanafi, Mohamed; Mazerolles, Gérard; et al.
2012
Ultrasound imaging with speckle tracking of cervical muscle deformation and deformation rate: isometric contraction of patients after anterior cervical decompression and fusion for cervical disc disease and controls
Manual Therapy, Vol. 17, (6) : 519-525
Peolsson, Anneli; Löfstedt, Tommy; Trygg, Johan; et al.
2011
OnPLS—a novel multiblock method for the modelling of predictive and orthogonal variation
Journal of Chemometrics, John Wiley & Sons 2011, Vol. 25, (8) : 441-455
Löfstedt, Tommy; Trygg, Johan
2010
Modelling human musculoskeletal functional movements using ultrasound imaging
BMC Medical Imaging, Vol. 10, (9)
Peolsson, Michael; Löfstedt, Tommy; Vogt, Susanna; et al.
Visa publikationer i DiVA

Forskargrupper

Gruppmedlem
Tufve Nyholm