A large, curated, open-source stroke neuroimaging dataset to improve lesion segmentation algorithms.
Journal
Scientific data
ISSN: 2052-4463
Titre abrégé: Sci Data
Pays: England
ID NLM: 101640192
Informations de publication
Date de publication:
16 06 2022
16 06 2022
Historique:
received:
20
12
2021
accepted:
19
05
2022
entrez:
17
6
2022
pubmed:
18
6
2022
medline:
22
6
2022
Statut:
epublish
Résumé
Accurate lesion segmentation is critical in stroke rehabilitation research for the quantification of lesion burden and accurate image processing. Current automated lesion segmentation methods for T1-weighted (T1w) MRIs, commonly used in stroke research, lack accuracy and reliability. Manual segmentation remains the gold standard, but it is time-consuming, subjective, and requires neuroanatomical expertise. We previously released an open-source dataset of stroke T1w MRIs and manually-segmented lesion masks (ATLAS v1.2, N = 304) to encourage the development of better algorithms. However, many methods developed with ATLAS v1.2 report low accuracy, are not publicly accessible or are improperly validated, limiting their utility to the field. Here we present ATLAS v2.0 (N = 1271), a larger dataset of T1w MRIs and manually segmented lesion masks that includes training (n = 655), test (hidden masks, n = 300), and generalizability (hidden MRIs and masks, n = 316) datasets. Algorithm development using this larger sample should lead to more robust solutions; the hidden datasets allow for unbiased performance evaluation via segmentation challenges. We anticipate that ATLAS v2.0 will lead to improved algorithms, facilitating large-scale stroke research.
Identifiants
pubmed: 35710678
doi: 10.1038/s41597-022-01401-7
pii: 10.1038/s41597-022-01401-7
pmc: PMC9203460
doi:
Types de publication
Dataset
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
320Subventions
Organisme : Medical Research Council
ID : MR/T001402/1
Pays : United Kingdom
Organisme : NICHD NIH HHS
ID : R00 HD091375
Pays : United States
Organisme : RRD VA
ID : I01 RX003066
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS115845
Pays : United States
Organisme : NICHD NIH HHS
ID : R21 HD067906
Pays : United States
Organisme : RRD VA
ID : I01 RX001935
Pays : United States
Organisme : RRD VA
ID : IK6 RX003075
Pays : United States
Organisme : NICHD NIH HHS
ID : P2C HD086844
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS090677
Pays : United States
Organisme : NIGMS NIH HHS
ID : P20 GM109040
Pays : United States
Informations de copyright
© 2022. The Author(s).
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