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libnifti(1) [debian man page]

NIFTI(1)																  NIFTI(1)

nifti - IO libraries and tools for the NIFTI-1 data format DESCRIPTION
The NIfTI-1 data format is a binary file format for storing medical image data, e.g. magnetic resonance image (MRI) and functional MRI (fMRI) brain images. The NIfTI format is an extension of the widely used ANALYZE 7.5 format. The goals of this modified data format are (1) to add information to the header that will be useful for functional neuroimaging data analysis and display. These additions include: - More basic data types. - Two affine transformations to specify voxel coordinates. - "Intent" codes and parameters to describe the meaning of the data. - Affine scaling of the stored data values to their "true" values. - Optional storage of the header and image data in one file (.nii). And (2) To maintain compatibility with non-NIFTI-aware ANALYZE 7.5 compatible software (i.e., such a program should be able to do something useful with a NIFTI-1 dataset -- at least, with one stored in a traditional .img/.hdr file pair). The NIfTI library package consists of two libraries: znzlib -- low level library for handling read/write of compressed files. niftilib -- core i/o routines for reading and writing nifti-1 format files. Primarily routines to read/write and manipulate the header field information, including orientation matrices. Volume-wise, timecourse-wise, access to image data. SEE ALSO
nifti_tool(1), nifti1_test(1), nifti_stats(1). Homepage: AUTHOR
The NIfTI libraries were written by the NIfTI Data Format Working Group (DFWG, ). This manual page was written by Michael Hanke <>, for the Debian project (but may be used by others). Michael Hanke August 2006 NIFTI(1)

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NIFTI_STATS(1)							   User Commands						    NIFTI_STATS(1)

nifti_stats - compute NIfTI statistical functions SYNOPSIS
nifti_stats [-q|-d|-1|-z] value CODE [p1 p2 p3] DESCRIPTION
nifti_stats supports several distributions (normal, uniform, logistic, chi, etc.) and calculates density or cummulative distribution func- tion (and many more). Values are printed to stdout and can be piped to other tools. value can be a single number or in the form bot:top:step. default ==> output p = Prob(statistic < val). -q ==> output is 1-p. -d ==> output is density. -1 ==> output is x such that Prob(statistic < x) = val. -z ==> output is z such that Normal cdf(z) = p(val). -h ==> output is z such that 1/2-Normal cdf(z) = p(val). Allowable CODEs: CORREL, TTEST, FTEST, ZSCORE, CHISQ, BETA, BINOM, GAMMA, POISSON, NORMAL, FTEST_NONC, CHISQ_NONC, LOGISTIC, LAPLACE, UNIFORM, TTEST_NONC, WEIBULL, CHI, INVGAUSS, EXTVAL, PVAL, LOGPVAL and LOG10PVAL Following CODE are distributional parameters, as needed. Results are written to stdout, 1 number per output line. EXAMPLE
Piping output into AFNI program 1dplot: nifti_stats -d 0:4:.001 INVGAUSS 1 3 | 1dplot -dx 0.001 -stdin SEE ALSO
libnifti(1), nifti_tool(1), nifti1_test(1). Homepage: AUTHOR
RW Cox - SSCC/NIMH/NIH/DHHS/USA/EARTH - March 2004 This manual page was written by Michael Hanke <>, for the Debian project (but may be used by others). nifti_stats September 2007 NIFTI_STATS(1)
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