Inheritance diagram for nipy.algorithms.fwhm:
This module provides classes and definitions for using full width at half maximum (FWHM) to be used in conjunction with Gaussian Random Field Theory to determine resolution elements (resels).
A resolution element (resel) is defined as a block of pixels of the same size as the FWHM of the smoothed image.
There are two methods implemented to estimate (3d, or volumewise) FWHM based on a 4d Image:
fastFHWM: used if the entire 4d Image is available iterFWHM: used when 4d Image is being filled in by slices of residuals
Bases: nipy.algorithms.fwhm.Resels
Methods
fwhm2resel | |
integrate | |
resel2fwhm |
Initialize resel image
Parameters : | resels : core.api.Image
fwhm : core.api.Image
keywords : dict
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Convert FWHM fwhm to equivalent reseels per voxel
Parameters : | fwhm : float
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Returns : | resels : float |
Integrate resels within mask (or use self.mask)
Parameters : | mask : Image
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Returns : | total_resels : :
FWHM : float
nvoxel: int :
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Convert resels as resels to isotropic FWHM
Parameters : | resels : float
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Returns : | fwhm : float |
Bases: object
The Resels class.
Methods
fwhm2resel | |
integrate | |
resel2fwhm |
Initialize resels class
Parameters : | coordmap : CoordinateMap
fwhm : Image
resels : Image
mask : Image
clobber : bool
D : int
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Convert FWHM fwhm to equivalent reseels per voxel
Parameters : | fwhm : float
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Returns : | resels : float |
Integrate resels within mask (or use self.mask)
Parameters : | mask : Image
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Returns : | total_resels : :
FWHM : float
nvoxel: int :
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Convert resels as resels to isotropic FWHM
Parameters : | resels : float
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Returns : | fwhm : float |