Tommy Löfstedt

Kontakt

Verksam vid

Första forskningsingenjör vid Institutionen för strålningsvetenskaper Enhet: Radiofysik

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