T1 Bias Correction

Correct for the spatial bias in usual MR images

Description

This new bias correction is based on a method that should deal much better with low grey/white contrast and high bias magnitude.

Parameters

t1mri: Raw T1 MRI ( input )

commissure_coordinates: Commissure coordinates ( optional, input )

sampling: Float ( input )

field_rigidity: Float ( input )

weight for the field rigidity constraint

zdir_multiply_regul: Float ( input )

wridges_weight: Float ( input )

ngrid: Integer ( input )

delete_last_n_slices: OpenChoice ( input )

t1mri_nobias: T1 MRI Bias Corrected ( output )

mode: Choice ( input )

write_field: Choice ( input )

field: T1 MRI Bias field ( optional, output )

write_hfiltered: Choice ( input )

hfiltered: T1 MRI Filtered For Histo ( output )

write_wridges: Choice ( input )

white_ridges: T1 MRI White Matter Ridges ( output )

variance_fraction: Integer ( input )

write_variance: Choice ( input )

variance: T1 MRI Variance ( output )

edge_mask: Choice ( input )

write_edges: Choice ( input )

edges: T1 MRI Edges ( output )

write_meancurvature: Choice ( input )

meancurvature: T1 MRI Mean Curvature ( optional, output )

fix_random_seed: Boolean ( input )

modality: Choice ( input )

use_existing_ridges: Boolean ( input )

Technical information

Toolbox : Morphologist

User level : 0

Identifier : T1BiasCorrection

File name : brainvisa/toolboxes/morphologist/processes/segmentationpipeline/components/T1BiasCorrection.py

Supported file formats :

t1mri :

gz compressed NIFTI-1 image, Aperio svs, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, FreesurferMGH, FreesurferMGZ, GIF image, GIS image, Hamamatsu ndpi, Hamamatsu vms, Hamamatsu vmu, JPEG image, Leica scn, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, Sakura svslide, TIFF image, TIFF image, TIFF(.tif) image, TIFF(.tif) image, VIDA image, Ventana bif, XBM image, XPM image, Zeiss czi, gz compressed MINC image, gz compressed NIFTI-1 image

commissure_coordinates :

Commissure coordinates, Commissure coordinates

t1mri_nobias :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

field :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

hfiltered :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

white_ridges :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

variance :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

edges :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image

meancurvature :

gz compressed NIFTI-1 image, BMP image, DICOM image, Directory, ECAT i image, ECAT v image, FDF image, GIF image, GIS image, JPEG image, MINC image, NIFTI-1 image, PBM image, PGM image, PNG image, PPM image, SPM image, TIFF image, TIFF(.tif) image, VIDA image, XBM image, XPM image, gz compressed MINC image, gz compressed NIFTI-1 image