Evidence map›Paper›PMID 26306865›Full record

ArticleNeuroinformatics2016

Quantitative Evaluation of Intensity Inhomogeneity Correction Methods for Structural MR Brain Images.

Marco Ganzetti, Nicole Wenderoth, Dante Mantini

Abstract read
In one paragraph

Article in Neuroinformatics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

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  6. 3D Capsule Networks for Brain Image Segmentation.AJNR. American journal of neuroradiology · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Marco GanzettiNeural Control of Movement Laboratory, ETH Zurich, 8057, Zurich, Switzerland.
Nicole WenderothNeural Control of Movement Laboratory, ETH Zurich, 8057, Zurich, Switzerland.
Dante MantiniNeural Control of Movement Laboratory, ETH Zurich, 8057, Zurich, Switzerland. dante.mantini@hest.ethz.ch.

Funding

Wellcome Trust 101253/Z/13/Z
6 · The paper itself

Abstract

The correction of intensity non-uniformity (INU) in magnetic resonance (MR) images is extremely important to ensure both within-subject and across-subject reliability. Here we tackled the problem of objectively comparing INU correction techniques for T1-weighted images, which are the most commonly used in structural brain imaging. We focused our investigations on the methods integrated in widely used software packages for MR data analysis: FreeSurfer, BrainVoyager, SPM and FSL. We used simulated data to assess the INU fields reconstructed by those methods for controlled inhomogeneity magnitudes and noise levels. For each method, we evaluated a wide range of input parameters and defined an enhanced configuration associated with best reconstruction performance. By comparing enhanced and default configurations, we found that the former often provide much more accurate results. Accordingly, we used enhanced configurations for a more objective comparison between methods. For different levels of INU magnitude and noise, SPM and FSL, which integrate INU correction with brain segmentation, generally outperformed FreeSurfer and BrainVoyager, whose methods are exclusively dedicated to INU correction. Nonetheless, accurate INU field reconstructions can be obtained with FreeSurfer on images with low noise and with BrainVoyager for slow and smooth inhomogeneity profiles. Our study may prove helpful for an accurate selection of the INU correction method to be used based on the characteristics of actual MR data.

Indexed as

Models, NeurologicalSignal Processing, Computer-AssistedAlgorithmsArtifactsBrainComputer SimulationHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingReproducibility of ResultsSoftwareBias fieldBrain structureComparative studyIntensity non-uniformityMagnetic resonance imaging

Identifiers

PMID26306865
PMCPMC4706843

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.