Automated template-based brain localization and extraction for fetal brain MRI reconstruction.

ABSTRACT: Most fetal brain MRI reconstruction algorithms rely only on brain tissue-relevant voxels of low-resolution (LR) images to enhance the quality of inter-slice motion correction and image reconstruction. Consequently the fetal brain needs to be localized and extracted as a first step, which is usually a laborious and time consuming manual or semi-automatic task. We have proposed in this work to use age-matched template images as prior knowledge to automatize brain localization and extraction. This has been achieved through a novel automatic brain localization and extraction method based on robust template-to-slice block matching and deformable slice-to-template registration. Our template-based approach has also enabled the reconstruction of fetal brain images in standard radiological anatomic

SUBMITTER: Tourbier S 

PROVIDER: S-EPMC5513844 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature