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Statements

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dbr:Computational_anatomy
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dbr:Spatial_normalization
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dbr:Normalization
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Normalizzazione spaziale Spatial normalization
rdfs:comment
In neuroimaging, spatial normalization is an image processing step, more specifically an image registration method. Human brains differ in size and shape, and one goal of spatial normalization is to deform human brain scans so one location in one subject's brain scan corresponds to the same location in another subject's brain scan. It is often performed in research-based functional neuroimaging where one wants to find common brain activation across multiple human subjects. The brain scan can be obtained from magnetic resonance imaging (MRI) or positron emission tomography (PET) scanners. Nell'elaborazioni informatica delle immagini neurologiche ("neuroimaging") ad esempio fornite da RM, TAC, fMRI oppure di sequenze PET, la normalizzazione spaziale è un passo dell'elaborazione digitale delle immagini, più specificamente un metodo di registratura delle immagini.
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dbr:Polynomial dbr:Voxel-based_morphometry dbr:Large_deformation_diffeomorphic_metric_mapping dbr:Group_actions_in_computational_anatomy dbr:Positron_emission_tomography dbr:Homeomorphism dbr:Functional_neuroimaging dbr:Magnetic_resonance_imaging dbr:Image_registration dbr:Computational_Anatomy dbr:Image_processing dbr:Diffeomorphism dbr:Diffeomorphic_Mapping_in_Computational_Anatomy dbr:AIR_(program) dbr:Statistical_parametric_mapping dbr:Warping_(image_processing) dbr:Cosine dbr:Computational_anatomy dbc:Neuroimaging dbr:Basis_function dbr:LDDMM dbr:Neuroimaging
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dbpedia-it:Normalizzazione_spaziale n11:3aYTv freebase:m.0b2s9h wikidata:Q3878457
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Nell'elaborazioni informatica delle immagini neurologiche ("neuroimaging") ad esempio fornite da RM, TAC, fMRI oppure di sequenze PET, la normalizzazione spaziale è un passo dell'elaborazione digitale delle immagini, più specificamente un metodo di registratura delle immagini. In neuroimaging, spatial normalization is an image processing step, more specifically an image registration method. Human brains differ in size and shape, and one goal of spatial normalization is to deform human brain scans so one location in one subject's brain scan corresponds to the same location in another subject's brain scan. It is often performed in research-based functional neuroimaging where one wants to find common brain activation across multiple human subjects. The brain scan can be obtained from magnetic resonance imaging (MRI) or positron emission tomography (PET) scanners. There are two steps in the spatial normalization process: * Specification/estimation of warp-field * Application of warp-field with resampling The estimation of the warp-field can be performed in one modality, e.g., MRI, and be applied in another modality, e.g., PET, if MRI and PET scans exist for the same subject and they are coregistered. Spatial normalization typically employs a 3-dimensional nonrigid transformation model (a "warp-field") for a brain scan to a template.The warp-field might be parametrized by basis functions such as cosine and polynomia.
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