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List of works by Ulla Ruotsalainen

1-D interpolation method for the HRRT PET sinogram gap-filling

scientific article published in October 2013

A Bayesian approach for suppression of limited angular sampling artifacts in single particle 3D reconstruction.

scientific article published on 17 July 2015

A Monte-Carlo based model of the AX-PET demonstrator and its experimental validation.

scientific article published on 24 July 2013

AX-PET: Concept, proof of principle and first results with phantoms

Advances in Computational Biology

scientific article published in 2010

Alignment of 3-dimensional cardiac structures in O-15-labeled water PET emission images with mutual information

scientific article published in January 2007

Analytical image reconstruction strategies for AX-PET data

scientific article published in October 2011

Automatic Extraction of Caudate and Putamen in [$^11$C] Raclopride PET Using Deformable Surface Models and Normalized Cuts

Automatic Quantification of Fluorescence from Clustered Targets in Microscope Images

Automatic cerebral and cerebellar hemisphere segmentation in 3D MRI: adaptive disconnection algorithm.

scientific article published on 10 February 2010

Automatic statistical shape analysis of cerebral asymmetry in 3D T1-weighted magnetic resonance images at vertex-level: application to neuroleptic-naïve schizophrenia

scientific article published on 20 January 2013

Cholesterol substitution increases the structural heterogeneity of caveolae.

scientific article

Comparison of 3D-RP and 3D-OPOSEM reconstructions of the ECAT HRRT PET data

scientific article published in October 2010

Compensation of missing wedge effects with sequential statistical reconstruction in electron tomography

scientific article

Data estimation for the ECAT HRRT sinograms by utilizing the DCT domain

scientific article published in October 2008

Error-corrected estimation of regional kinetic parameter histograms directly from pet projections.

scientific article published on 19 November 2010

Estimation of kinetic parameters and tissue heterogeneity from patient motion corrupted PET projections

scientific article published in October 2011

Estimation of rigid body motion parameters for the ECAT HRRT data without image reconstruction

scientific article published in October 2010

Evaluation of Robust Estimators Applied to Fluorescence Assays

Evaluation of analytical reconstruction with a new gap-filling method in comparison to iterative reconstruction in [ $$_{ }^{11}\mathrm C$$ 11 C ]-raclopride PET studies

scientific article published on 20 March 2014

Evaluation of automatic striatal segmentation for the ECAT HRRT images

Exact formulation of stackgram filters in sinogram domain

scientific article published in October 2010

F-18 fluorodeoxyglucose uptake and water-perfusable tissue fraction in assessment of myocardial viability.

scientific article

Gap-filling for the high-resolution PET sinograms with a dedicated DCT-domain filter

scientific article published in March 2010

Gap-filling methods for 3D PlanTIS data

scientific article

Genetic algorithms for finite mixture model based voxel classification in neuroimaging

scientific article

Hierarchical classification of dynamically varying radar pulse repetition interval modulation patterns.

scientific article published on 6 July 2010

ICA based automatic segmentation of dynamic H(2)(15)O cardiac PET images

scientific article

Imaging brain change across different time scales

scientific article

Joint penalized-likelihood reconstruction of time-activity curves and regions-of-interest from projection data in brain PET.

scientific article

Long axial crystals for PET applications: The AX-PET demonstrator and beyond

scientific article published in October 2013

Low count PET sinogram denoising

scientific article published in October 2012

Metal artifact reduction based on multi-level sinogram segmentation and sequentially applied MAP-EM reconstruction method

scientific article published in October 2013

Metal artifact reduction with DCT-domain gap-filling method

scientific article published in October 2012

PET sinogram denoising by block-matching and 3D filtering

scientific article published in October 2011

Regional compensation for statistical maximum likelihood reconstruction error of PET image pixels

scientific article published on 21 June 2013

Segmentation of striatal brain structures from high resolution PET images.

scientific article published on 4 November 2009

Sequential regularized MLEM reconstruction method for incomplete sinograms

scientific article published in October 2011

Shape variability of the human striatum--Effects of age and gender

scientific article published on 23 October 2006

Stochastic dynamic model for estimation of rate constants and their variances from noisy and heterogeneous PET measurements.

scientific article published on 18 August 2006

Survey

scientific article published in 2011

The AX-PET concept: New developments and tomographic imaging

Voxel-based NK1 receptor occupancy measurements with [(18)F]SPA-RQ and positron emission tomography: a procedure for assessing errors from image reconstruction and physiological modeling

scientific article

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