What is the best similarity measure for motion correction in fMRI time series?

L Freire, A Roche, JF Mangin - IEEE transactions on medical …, 2002 - ieeexplore.ieee.org
motion parameter estimations are biased by the activated areas. Therefore, this paper describes
several experiments aiming at selecting a better similarity measure … of squares measure. …

Quantitative 3D-OCT motion correction with tilt and illumination correction, robust similarity measure and regularization

MF Kraus, JJ Liu, J Schottenhamml, CL Chen… - Biomedical optics …, 2014 - opg.optica.org
… 3D-OCT motion correction algorithms. We present an advanced 3D-OCT motion correction
… An intensity similarity measure using the pseudo Huber norm and a regularization scheme …

Motion correction algorithms may create spurious brain activations in the absence of subject motion

L Freire, JF Mangin - Neuroimage, 2001 - Elsevier
… Moreover, RIU similarity measure seems potentially biased in some situations according to
our experiment with RIU-Custom and the level of spatial smoothing. In fact, the field of robust …

[PDF][PDF] Elastic matching based on motion vector fields obtained with a histogram based similarity measure for DSA-image correction

TM Buzug, J Weese, C Fassnacht, C Lorenz - … Assisted Radiology and …, 1997 - Citeseer
… energy function for the similarity measure presented in this paper. The motion vector field
supplies us … different motion correction procedures prior to subtraction. A global interactive shift …

Motion correction in MRI of the brain

F Godenschweger, U Kägebein, D Stucht… - Physics in medicine …, 2016 - iopscience.iop.org
… If unsaturated magnetization enters the measurement volume due to through-plane
motion, … similarity metric (eg mutual information, signal differences, etc). This purely image-based …

Self‐similarity analysis for motion capture cleaning

A Aristidou, D Cohen‐Or, JK Hodgins… - Computer graphics …, 2018 - Wiley Online Library
… We build an outlier-tolerant distance measure between motion-words. Our approach does
… the erroneous parts, and is very similar to the motion that has been manually corrected. …

Retrospective motion correction in digital subtraction angiography: a review

EHW Meijering, WJ Niessen… - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
… 25 Unless explicitly noted otherwise, the other similarity measures described in this section
assume their extreme value only when I0(xx) = I(x + dd): 26 An anagram of the word spectrum…

Motion correction for myocardial T1 mapping using image registration with synthetic image estimation

H Xue, S Shah, A Greiser, C Guetter… - Magnetic resonance …, 2012 - Wiley Online Library
… images to the corresponding measured MOLLI images in a frame-… correlation as the image
similarity measure, as its explicit … after motion correction was computed as the Dice similarity

Comparison of fMRI motion correction software tools

TR Oakes, T Johnstone, KSO Walsh, LL Greischar… - Neuroimage, 2005 - Elsevier
… It is worth noting that the FWHM of spatial correlation in motion-corrected data sets (a measure
of spatial smoothness) varied by less than 0.1 mm across tools, and by less than 0.3 mm …

Motion correction in optical coherence tomography volumes on a per A-scan basis using orthogonal scan patterns

MF Kraus, B Potsaid, MA Mayer, R Bock… - Biomedical optics …, 2012 - opg.optica.org
… a similarity measure and … motion cannot be corrected, leading to low similarity after registration.
With suitable α and α z however, both goals are reasonably balanced and high similarity