Optimization of non-linear image registration in AFNI

J Yin, T Anthony, J Marstrander, Y Liu…�- Proceedings of the�…, 2016 - dl.acm.org
… aspect of fMRI image analysis [12]. The … image registration program 3dQwarp, and an
improvement in terms of both the parallel efficiency of the code and the fidelity of the warped image

[PDF][PDF] Robust methods for medical image registration with application in clinical diagnosis

AFS Ribeiro - 2017 - core.ac.uk
… The advances of image processing frameworks allow not only a more accurate … circuits,
whilst functional Magnetic Resonance Imaging (fMRI) has been used to understand the intrinsic …

Processing, evaluating and understanding FMRI data with afni_proc. py

RC Reynolds, DR Glen, G Chen, ZS Saad…�- Imaging�…, 2024 - direct.mit.edu
… available AFNI toolbox (Cox, 1996), to create full processing pipelines across this wide
FMRI … The quality of nonlinear warping results using 3dQwarp (which also underlies @SSwarper, …

NRAAF: A Framework for Comparative Analysis of fMRI Registration Algorithms and Their Impact on Resting-State Neuroimaging Accuracy

M Svejda, N Elmitwally, AT Asyhari, R Tait�- IEEE Access, 2024 - ieeexplore.ieee.org
… FNIRT and AFNI’s 3dQwarp differ in their specific approaches to non-linear registration. FSL’…
as well as deep learning-based medical image registration were considered for use in this …

Assessing methods for geometric distortion compensation in 7T gradient echo fMRI data

MP Schallmo, KB Weldon, PC Burton, SR Sponheim…�- bioRxiv, 2020 - biorxiv.org
… Mutual information is often used to assess multi-modal brain image registration 54 , and should
… The second (SE 3dQwarp) condition used AFNI’s 3dQwarp as described above to apply …

Assessing methods for geometric distortion compensation in 7 T gradient echo functional MRI data

MP Schallmo, KB Weldon, PC Burton…�- Human Brain�…, 2021 - Wiley Online Library
AFNI's 3dQwarp, both the AP and PA scans were independently masked using AFNI's
3dAutomask to remove nonbrain image … compensation was calculated using 3dQwarp with the -…

[HTML][HTML] Quality control practices in FMRI analysis: Philosophy, methods and examples using AFNI

RC Reynolds, PA Taylor, DR Glen�- Frontiers in Neuroscience, 2023 - frontiersin.org
… For example, image registration is driven by a quantitative cost function, but then separate
assessment is needed to verify that tissue boundaries and sulcal and gyral patterns appear to …

Distortion correction of functional MRI without reverse phase encoding scans or field maps

T Yu, LY Cai, S Torrisi, AT Vu, VL Morgan…�- Magnetic Resonance�…, 2023 - Elsevier
… (for example, using FSL's topup or AFNI's 3dQwarp algorithms) require the collection of …
], its ability to act as an image processing intermediate, or a substrate for distortion correction…

[HTML][HTML] A Set of FMRI Quality Control Tools in AFNI: Systematic, in-depth and interactive QC with afni_proc. py and more

PA Taylor, DR Glen, G Chen, RW Cox, T Hanayik…�- bioRxiv, 2024 - ncbi.nlm.nih.gov
… throughout any single subject processing pipeline, both quantitatively and qualitatively.
We present several FMRI preprocessing QC features available in the AFNI toolbox, many of …

FMRI clustering in AFNI: false-positive rates redux

RW Cox, G Chen, DR Glen, RC Reynolds…�- Brain�…, 2017 - liebertpub.com
… The detailed AFNI processing for individual subjects was somewhat different than in ENK16…
, AnatICOR for denoising, and 3dQwarp for nonlinear registration; see Supplementary Data (…