Harmonizing Multisite MRI Data Using ComBat

Harmonization of multi-site MRS data with ComBat - ScienceDirect

ComBat is a data harmonization technique that can remove non-biological sources of variance in multisite studies.

Harmonization of multi-site MRS data with ComBat - PubMed

ComBat is a data harmonization technique that can remove non-biological sources of variance in multisite studies.

Jfortin1/ComBatHarmonization: Harmonization of multi-site imaging ...

The ComBat harmonization requires the imaging data to be represented in a matrix where rows are the imaging features (for instance voxels, ROIs or connectome ...

Harmonizing multi-site, multi-scanner fMRI data with ComBat

Hello, I am planning to use ComBat to harmonize fMRI data but I have a question about the batch level. There are seven cohorts (all with ...

Harmonizing Multisite MRI Data Using ComBat - BrainHack School

ComBat harmonizes data by fitting a linear model, with location and scale (L/S) terms accounting for site-specific differences, to the data, ...

Multi-site harmonization of MRI data uncovers machine-learning ...

Multi-site MRI data encode confounding information which may mask case-control differences. The impact of the NeuroHarmonize method is evaluated in the ...

Harmonization of multi-site functional MRI data with dual-projection ...

As a result, multi-site fMRI studies are becoming increasingly common to increase the power of statistical analyses to detect group differences, longitudinal ...

Harmonizing Multisite Neuroimaging Data for Characterization of ...

However, the use of different MRI scanners introduces variability to the data ... The present work evaluates the use of ComBat for multisite ...

Efficacy of MRI data harmonization in the age of machine learning

Pooling publicly-available MRI data from multiple sites allows to assemble extensive groups of subjects, increase statistical power, ...

combat.enigma: Fit and Apply ComBat, LMM, or Prescaling ...

ENIGMA and Other Multisite MRI Data ... Fit and apply ComBat to harmonize magnetic resonance imaging (MRI) data from different sites.

A multi-scanner neuroimaging data harmonization using RAVEL ...

ComBat is preferred over RAVEL and the RAVEL-ComBat combination in terms of regional level harmonization due to more consistent harmonization ...

Investigation of ComBat Harmonization on Radiomic and Deep ...

MRI data were acquired using systems from three manufacturers and two field strengths. Radiomic features and deep features were extracted using ...

Harmonization of multi-site MRS data with ComBat - ResearchGate

It has been validated for use with structural and functional MRI metrics but not for MRS metabolites. This study investigated the validity of using ComBat to ...

ComBatLS: A location- and scale-preserving method for multi-site ...

C) Median absolute centile errors across brain features in data harmonized with varying ComBat configurations. Abbrv: WMV, white matter volume, ...

Characterization of the effects of outliers on ComBat harmonization ...

Data harmonization is a key step widely used in multisite neuroimaging studies to remove inter-site heterogeneity of data distribution.

(PDF) Exploring the limits of ComBat method for multi-site diffusion ...

Our goal is to evaluate this commonly used harmonization approach using a large diffusion MRI dataset involving 542 individuals from 5 sites. We investigated ...

Multisite harmonization of diffusion tensor image analysis along the ...

This multisite study aimed to use the COMBined Association Test (COMBAT), a harmonization technique that uses regression of covariates with an empirical ...

Exploring the limits of ComBat method for multi-site diffusion MRI ...

However, scanner induced bias in dMRI signal limits direct pooling of the multi-site dMRI data. “Harmonization” is a way to mitigate the ...

Approaches and Challenges for Across-site Harmonization of ...

In this talk, we will present novel strategies we have developed for harmonization of multi-site diffusion. MRI data, which is essential for consistent ...

Recent Research on the Harmonization of Neuroimaging Data ...

Findings from the study showed that RAVEL substantially improved the reproducibility of image intensities. However, ComBat provided more ...