The Neuroimaging Informatics Technology Initiative (NIfTI) is an open file format
présentation du format
file nifti1.h
https://nifti.nimh.nih.gov/pub/dist/src/niftilib/nifti1.h
The NIfTI 1 header is a small C structure of size 352 bytes.
sizeof_hdr : 348
data_type : b''
db_name : b''
extents : 0
session_error : 0
regular : b'r'
dim_info : 57
dim : [ 4 128 96 24 2 1 1 1]
intent_p1 : 0.0
intent_p2 : 0.0
intent_p3 : 0.0
intent_code : none
datatype : int16
bitpix : 16
slice_start : 0
pixdim : [ -1. 2. 2. 2.2 2000. 1. 1. 1. ]
vox_offset : 0.0
scl_slope : nan
scl_inter : nan
slice_end : 23
slice_code : unknown
xyzt_units : 10
cal_max : 1162.0
cal_min : 0.0
slice_duration : 0.0
toffset : 0.0
glmax : 0
glmin : 0
descrip : b'FSL3.3\x00 v2.25 NIfTI-1 Single file format'
aux_file : b''
qform_code : scanner
sform_code : scanner
quatern_b : -1.94510681403e-26
quatern_c : -0.996708512306
quatern_d : -0.081068739295
qoffset_x : 117.855102539
qoffset_y : -35.7229423523
qoffset_z : -7.24879837036
srow_x : [ -2. 0. 0. 117.86]
srow_y : [ -0. 1.97 -0.36 -35.72]
srow_z : [ 0. 0.32 2.17 -7.25]
intent_name : b''
magic : b'n+1'
data_type : b''
db_name : b''
extents : 0
session_error : 0
regular : b'r'
dim_info : 57
dim : [ 4 128 96 24 2 1 1 1]
intent_p1 : 0.0
intent_p2 : 0.0
intent_p3 : 0.0
intent_code : none
datatype : int16
bitpix : 16
slice_start : 0
pixdim : [ -1. 2. 2. 2.2 2000. 1. 1. 1. ]
vox_offset : 0.0
scl_slope : nan
scl_inter : nan
slice_end : 23
slice_code : unknown
xyzt_units : 10
cal_max : 1162.0
cal_min : 0.0
slice_duration : 0.0
toffset : 0.0
glmax : 0
glmin : 0
descrip : b'FSL3.3\x00 v2.25 NIfTI-1 Single file format'
aux_file : b''
qform_code : scanner
sform_code : scanner
quatern_b : -1.94510681403e-26
quatern_c : -0.996708512306
quatern_d : -0.081068739295
qoffset_x : 117.855102539
qoffset_y : -35.7229423523
qoffset_z : -7.24879837036
srow_x : [ -2. 0. 0. 117.86]
srow_y : [ -0. 1.97 -0.36 -35.72]
srow_z : [ 0. 0.32 2.17 -7.25]
intent_name : b''
magic : b'n+1'
The NIfTI 2 header is similar, but of length 540 bytes, with fewer fields.
Cox, R. W., J. Ashburner, H. Breman, K. Fissell, C. Haselgrove, C. J. Holmes, J. L. Lancaster, D. E. Rex, S. M. Smith, J. B. Woodward, and S. C. Strother. "A (sort of) new image data format standard: NiFTI-1." 10th Annual Meeting of Organisation of Human Brain Mapping, Budapest, Hungary, June 2004.
NiBabel; Access a cacophony of neuro-imaging file formats
en python
en javascript
A JavaScript NIfTI file format reader.
This reader supports both NIfTI-1 and NIfT1-2 file formats, both compressed (.nii.gz) and uncompressed (.nii).
on line with your own server
Papaya is a pure JavaScript medical research image viewer, supporting DICOM and NIFTI formats, compatible across a range of web browsers. This orthogonal viewer supports overlays, atlases, GIFTI & VTK surface data and DTI data. The Papaya UI is configurable with many display, menu and control options and can be run on a web server or as a local, shareable file.
online
matlab
Introduced in R2017b
pour le header:
The niftiinfo function supports both the NIfTI1 and NIfTI2 file formats.
mathematica
il ne lit de manière native qu'à partie de la version 13.1 (qui nécessite mac os ≥10.14)
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