About: Multimodal MRI Template Creation in the Ring-Tailed Lemur and Rhesus Macaque

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Multimodal MRI Template Creation in the Ring-Tailed Lemur and Rhesus Macaque
Creator	Bertelsen, Mads Manger, Paul Smith, Stephen Andersson, Jesper Khrapitchev, Alexandre Lange, Frederik Mars, Rogier
Source	PMC
abstract	We present a multimodal registration algorithm for simultaneous alignment of datasets with both scalar and tensor MRI images. We employ a volumetric, cubic B-spline parametrised transformation model. Regularisation is based on the logarithm of the singular values of the local Jacobian and ensures diffeomorphic warps. Tensor registration takes reorientation into account during optimisation, through a finite-strain approximation of rotation due to the warp. The combination of scalar, tensor and regularisation cost functions allows us to optimise the deformations in terms of tissue matching, orientation matching and distortion minimisation simultaneously. We apply our method to creating multimodal T2 and DTI MRI brain templates of two small primates (the ring-tailed lemur and rhesus macaque) from high-quality, ex vivo, 0.5/0.6 mm isotropic data. The resulting templates are of very high quality across both modalities and species. Tissue contrast in the T2 channel is high indicating excellent tissue-boundary alignment. The DTI channel displays strong anisotropy in white matter, as well as consistent left/right orientation information even in relatively isotropic grey matter regions. Finally, we demonstrate where the multimodal templating approach overcomes anatomical inconsistencies introduced by unimodal only methods.
has issue date	2020-05-13(xsd:dateTime)
bibo:doi	10.1007/978-3-030-50120-4_14
has license	no-cc
sha1sum (hex)	e8d53a6ce84de99d8ff4df7ce084c9cdece42099
schema:url	https://doi.org/10.1007/978-3-030-50120-4_14
resource representing a document's title	Multimodal MRI Template Creation in the Ring-Tailed Lemur and Rhesus Macaque
has PubMed Central identifier	PMC7279936
schema:publication	Biomedical Image Registration
resource representing a document's body	covid:e8d53a6ce84de99d8ff4df7ce084c9cdece42099#body_text
is schema:about of	named entity 'modalities' named entity 'scalar' named entity 'anisotropy' named entity 'ring-tailed lemur' named entity 'warp' named entity 'creating' named entity 'TENSOR' named entity 'PRIMATES' named entity 'DUE TO' named entity 'EXCELLENT' named entity 'RING-TAILED LEMUR' named entity 'MRI' named entity '0.5' named entity 'TERMS' named entity 'INDICATING' named entity 'ISOTROPIC' named entity 'IMAGES' named entity 'FUNCTIONS' named entity 'REGISTRATION' named entity 'METHODS' named entity 'VOLUMETRIC' named entity 'SCALAR' covid:arg/e8d53a6ce84de99d8ff4df7ce084c9cdece42099 named entity 'transformation' named entity 'matching' named entity 'algorithm' named entity 'regions' named entity 'Tissue' named entity 'registration' named entity 'logarithm' named entity 'rhesus macaque' named entity 'model' named entity 'isotropic' named entity 'Rhesus Macaque' named entity 'Ring-Tailed Lemur' named entity 'rhesus macaque' named entity 'B-spline' named entity 'MRI brain' named entity 'DTI' named entity 'singular values' named entity 'anatomical' named entity 'Tensor' named entity 'scalar' named entity 'white matter' named entity 'gradient' named entity 'white matter' named entity 'tensor' named entity 'diffusion' named entity 'unimodal' named entity 'grey matter' named entity 'linear elastic' named entity 'Levenberg-Marquardt' named entity 'cost function' named entity 'lemur' named entity 'learning rate' named entity 'unimodal' named entity 'diffeomorphic' named entity 'OVL' named entity 'DTI images' named entity 'scalar' named entity 'tensor' named entity 'unimodal' named entity 'DTI' named entity 'DTI images' named entity 'scalar' named entity 'tensor' named entity 'Transformation Model' named entity 'lemur' named entity 'diffusion' named entity 'tensor' named entity 'OVL' named entity 'diffusion MRI' named entity 'tensor' named entity 'FDT' named entity 'diagonal matrix' named entity 'eigenvalue' named entity 'scalar'

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