# Image Registration Using the 'NiftyReg' Library

## Documentation for package ‘RNiftyReg’ version 2.8.1

- DESCRIPTION file.
- Package NEWS.

## Help Pages

affine | Create, test for and print affine matrices
applyTransform | Apply a precomputed transformation
as.array.niftyreg | Two and three dimensional image registration
asAffine | Create, test for and print affine matrices
asAffine.affine | Create, test for and print affine matrices
asAffine.default | Create, test for and print affine matrices
asAffine.niftiImage | Create, test for and print affine matrices
asAffine.niftyreg | Create, test for and print affine matrices
asNifti.niftyreg | Two and three dimensional image registration
buildAffine | Build an affine matrix up from its constituent transformations
composeTransforms | Compose transformations
decomposeAffine | Decompose an affine matrix into its constituent transformations
deformationField | Calculate the deformation field for a transformation
forward | Extract forward and reverse transformations
forward.niftyreg | Extract forward and reverse transformations
halfTransform | Calculate a half transformation
invertAffine | Invert an affine matrix
isAffine | Create, test for and print affine matrices
isImage | Test whether an object represents an image
jacobian | Extract a Jacobian determinant map
loadTransform | Save and load transform objects
niftyreg | Two and three dimensional image registration
niftyreg.linear | Two and three dimensional linear image registration
niftyreg.nonlinear | Two and three dimensional nonlinear image registration
print.affine | Create, test for and print affine matrices
readAffine | Read an affine matrix from a file
readNifti | Read a NIfTI format file
rescale | Apply simple transformations
reverse | Extract forward and reverse transformations
reverse.niftyreg | Extract forward and reverse transformations
rotate | Apply simple transformations
saveTransform | Save and load transform objects
similarity | Similarity measures between images
skew | Apply simple transformations
translate | Apply simple transformations
writeAffine | Write an affine matrix to a file