Methods for Function ‘getmask’ in Package ‘dti’

Description

Create a mask containing voxel inside the head

Usage

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## S4 method for signature 'dtiData'
getmask(object, level = NULL, prop = 0.4, size = 3)

Arguments

object

an object of class "dtiData"

level

S0 intensity value to be used to discriminate between voxel inside and outside the brain. A good value of level may be determined using method sdpar in advance.

prop

proportion of voxel in test area with s0 value larger than level needed to decide for a voxel inside the brain

size

size of a cube defining a test area

Value

The function returns an object of class dtiData.

Methods

obj = "ANY"

Returns a warning

obj = "dtiData"

Create a mask containing voxel inside the head

obj = "array"

Create a mask containing voxel inside the head

Author(s)

Karsten Tabelow tabelow@wias-berlin.de
J\"org Polzehl polzehl@wias-berlin.de

See Also

dtiData, readDWIdata, dti.smooth, sdpar

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