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# nipype.interfaces.semtools.diffusion.maxcurvature module

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## maxcurvature

Link to code

> Bases: SEMLikeCommandLine

> Wrapped executable: `maxcurvature`.

> title: MaxCurvature-Hessian (DTIProcess)

> category: Diffusion

> description: This program computes the Hessian of the FA image (–image). We use this scalar image as a registration input when doing DTI atlas building. For most adult FA we use a sigma of 2 whereas for neonate or primate images and sigma of 1 or 1.5 is more appropriate. For really noisy images, 2.5 - 4 can be considered. The final image (–output) shows the main feature of the input image.

> version: 1.1.0

> documentation-url: http://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Extensions/DTIProcess

> license: Copyright (c) Casey Goodlett. All rights reserved.
>   See http://www.ia.unc.edu/dev/Copyright.htm for details.

>     This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information.

> contributor: Casey Goodlett

> acknowledgements: Hans Johnson(1,3,4); Kent Williams(1); (1=University of Iowa Department of Psychiatry, 3=University of Iowa Department of Biomedical Engineering, 4=University of Iowa Department of Electrical and Computer Engineering) provided conversions to make DTIProcess compatible with Slicer execution, and simplified the stand-alone build requirements by removing the dependancies on boost and a fortran compiler.

> argsa unicode string

>   Additional parameters to the command. Maps to a command-line argument: `%s`.

> environa dictionary with keys which are a bytes or None or a value of class ‘str’ and with values which are a bytes or None or a value of class ‘str’

>   Environment variables. (Nipype default value: `{}`)

> imagea pathlike object or string representing an existing file

>   FA Image. Maps to a command-line argument: `--image %s`.

> outputa boolean or a pathlike object or string representing a file

>   Output File. Maps to a command-line argument: `--output %s`.

> sigmaa float

>   Scale of Gradients. Maps to a command-line argument: `--sigma %f`.

> verbosea boolean

>   Produce verbose output. Maps to a command-line argument: `--verbose`.

> outputa pathlike object or string representing an existing file

>   Output File.