NII

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* [http://niftilib.sourceforge.net/ NiftiLib], a full C implementation
 
* [http://niftilib.sourceforge.net/ NiftiLib], a full C implementation
 
* [http://nipy.sourceforge.net/nibabel/ NiBabel], a Python neuroimaging file format library
 
* [http://nipy.sourceforge.net/nibabel/ NiBabel], a Python neuroimaging file format library
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[[Category:Scientific Data formats]]

Latest revision as of 17:48, 28 September 2017

File Format
Name NII
Ontology
Extension(s) .nii, .nii.gz
PRONOM fmt/1094

[edit] General description

NII (or NIfTI) files are probably the most commonly-used format for multi-dimensional neuroimaging data as of this writing (late 2012). NIfTI is a raster format, with files generally containing at least 3-dimensional data: voxels, or pixels with a width, height, and depth. NIfTI files can be up to 7-dimensional: the first four dimensions are defined as 3 spatial dimensions and time, with the other dimensions used for "other stuff" -- though the time dimension is often to encode something other than time.

Most packages also support reading gzip-compressed NIfTI files, which should have the extension .NII.gz.

The format is extensively supported and documented by the NIH.

[edit] Software

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