Ulla Ruotsalainen

Activities

Activities per year 1997 2003 2004 2005 2006 2007 2008 2009 2010 2014 2016

• 38 Conference presentation
• 11 Reviewer of Scientific Journal
• 7 Pre-examination of dissertation or acting as opponent to doctoral students
• 2 Membership of an editorial board
• 6 More
  • 1 Membership of a scientific or program committee of a conference or seminar
  • 1 Evaluation of activities
  • 1 Evaluation of funding applications
  • 1 Statement of assessment of other positions
  • 1 Regular membership of a society or network
  • 1 Position of trust in an academic community

Activities per year

Search results

• An Image Reconstruction that Preserves the Regional Physiological Variation of Radioactivity Concentration

  Ulla Ruotsalainen (Speaker)

  2012

  Activity: Talk or presentation › Conference presentation

• Automatic quantification of fluorescence from clustered targets in microscope images

  Ulla Ruotsalainen (Speaker)

  2009

  Activity: Talk or presentation › Conference presentation

• Heikki Wendelin Medal

  Ulla Ruotsalainen (Speaker)

  2008

  Activity: Talk or presentation › Conference presentation

• DCT domain gap-filling for HRRT PET sinograms

  Ulla Ruotsalainen (Speaker)

  2008

  Activity: Talk or presentation › Conference presentation

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

  Ulla Ruotsalainen (Speaker)

  2008

  Activity: Talk or presentation › Conference presentation

• Reduced standard deviation of binding potential values with automatic segmentation of striatum in PET - implications to statistical power

  Ulla Ruotsalainen (Speaker)

  2007

  Activity: Talk or presentation › Conference presentation

• Automatic human brain hemisphere segmentation in MRI including brain compartmental decomposition

  Ulla Ruotsalainen (Speaker)

  2007

  Activity: Talk or presentation › Conference presentation

• Accurate 3D left-right brain hemisphere segmentation in MR images based on shape bottlenecks and partial volume estimation

  Ulla Ruotsalainen (Speaker)

  2007

  Activity: Talk or presentation › Conference presentation

• Accurate brain hemisphere segmentation in 3D MRI based on shape bottlenecks and partial volume estimation

  Ulla Ruotsalainen (Speaker)

  2007

  Activity: Talk or presentation › Conference presentation

• Comparison on image segmentation and registration based methods for analysis of misaligned dynamic H2 15O cardiac PET images

  Ulla Ruotsalainen (Speaker)

  2006

  Activity: Talk or presentation › Conference presentation

• New sinogram filter design utilizing sinusoidal trajectories

  Ulla Ruotsalainen (Speaker)

  2006

  Activity: Talk or presentation › Conference presentation

• A Method for automatic extraction of striatal structures for PET dose-finding studies

  Ulla Ruotsalainen (Speaker)

  2006

  Activity: Talk or presentation › Conference presentation

• Partial volume effect, segmentation inaccuracy, and reproducibility in striatal D2 dopamine receptor availability with Raclopride PET

  Ulla Ruotsalainen (Speaker)

  2006

  Activity: Talk or presentation › Conference presentation

• Segmentation on dynamic emission tomography data in projection space

  Ulla Ruotsalainen (Speaker)

  2006

  Activity: Talk or presentation › Conference presentation

• Could neuroinformatics methods help in PET modeling?

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Automatic extraction of caudate and putamen from images during medication in (C-11)-raclopride PET

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Robust estimation of regional parameter values as a simple method for partial volume correction in PET imaging

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Assessment of separation of functional components with ICA from dynamic cardiac perfusion PET phantom images for volume extraction with deformable surface models

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• A comparative study of angular extrapolation in sinogram and stackgram domains for limited ange tomography

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Simultaneous estimation of blood flow distribution and instrumentation noise from dynamic H215O PET study with stochastic differential equations

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Three-dimensional alignment of scans with filtering in dynamic PET study using signals along sinusoidal trajectories of sinograms

  Ulla Ruotsalainen (Speaker)

  2005

  Activity: Talk or presentation › Conference presentation

• Monte Carlo study of automated MRI-PET image registration with brain images having pathological defects

  Ulla Ruotsalainen (Speaker)

  2004

  Activity: Talk or presentation › Conference presentation

• Improved reproducibility in D2-receptor studies with automatic segmentation of striatum from PET images

  Ulla Ruotsalainen (Speaker)

  2004

  Activity: Talk or presentation › Conference presentation

• Quantitatively accurate image recovery from attenuation-corrected PET sinogram data using filtering of sinusoidal trajectories

  Ulla Ruotsalainen (Speaker)

  2004

  Activity: Talk or presentation › Conference presentation

• Questions in archiving and exchange of emission tomography research data

  Ulla Ruotsalainen (Speaker)

  2004

  Activity: Talk or presentation › Conference presentation

• Automatic extraction of the heart volumes from dynamic FDG PET emission images for movement corrections

  Ulla Ruotsalainen (Speaker)

  2004

  Activity: Talk or presentation › Conference presentation

• ICA separation of functional components from dynamic cardiac PET data

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• Brain surface extraction from PET images with deformable model: assessment using Monte Carlo simulator

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• Overview on partial volume estimation in brain MRI: models and methods

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• Alignment of scans in dynamic PET study using stackgram domain

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• A method for assessing merhodological and biological variation in receptor occupancy studies with PET

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• Unsupervised learning methods in delineation of brain regions from PET images based on dynamic tracer distribution

  Ulla Ruotsalainen (Speaker)

  2003

  Activity: Talk or presentation › Conference presentation

• Application of independent component analysis on water dynamic myocardial pet study

  Ulla Ruotsalainen (Speaker)

  2002

  Activity: Talk or presentation › Conference presentation

• Comparison of three reconstruction methods in brain imaging

  Ulla Ruotsalainen (Speaker)

  2002

  Activity: Talk or presentation › Conference presentation

• Glucose uptake is perfusion-independent in resting skeletal muscle

  Ulla Ruotsalainen (Speaker)

  2001

  Activity: Talk or presentation › Conference presentation

• New method for attenuation in whole-body pet studies with MRP recostruction

  Ulla Ruotsalainen (Speaker)

  1999

  Activity: Talk or presentation › Conference presentation

• A New interative reconstruction method based on median root prior in quantification of myocardial metabolic rate of oxygen with pet

  Ulla Ruotsalainen (Speaker)

  1998

  Activity: Talk or presentation › Conference presentation

• Improved quantitative images produced by sinogram patlak and a new iterative reconstruction method

  Ulla Ruotsalainen (Speaker)

  1997

  Activity: Talk or presentation › Conference presentation