| $.niftiImage | Access to metadata elements | 
| $<-.niftiImage | Access to metadata elements | 
| analyzeHeader | Dump or construct a raw NIfTI or ANALYZE header | 
| as.array.internalImage | Internal images | 
| as.character.rgbArray | RGB arrays | 
| as.raster.rgbArray | RGB arrays | 
| asNifti | Create or modify an NIfTI image object | 
| asNifti.default | Create or modify an NIfTI image object | 
| channels | Extract channels from RGB data | 
| defaultInfoPanel | Info panels for the built-in viewer | 
| dim.internalImage | Internal images | 
| dim<-.internalImage | Internal images | 
| dumpNifti | Dump or construct a raw NIfTI or ANALYZE header | 
| extension | NIfTI extensions | 
| extension<- | NIfTI extensions | 
| ExtensionCodes | NIfTI extension codes | 
| extensions | NIfTI extensions | 
| extensions<- | NIfTI extensions | 
| fromBidsJson | Conversion to and from BIDS JSON | 
| imageAttributes | Extended image attributes | 
| imageAttributes<- | Extended image attributes | 
| internalImage | Internal images | 
| lyr | A basic 3D image viewer | 
| ndim | Number of dimensions | 
| niftiHeader | Dump or construct a raw NIfTI or ANALYZE header | 
| niftiVersion | Check the format version of a file | 
| orientation | Obtain or replace the "xform" transforms for an image | 
| orientation<- | Obtain or replace the "xform" transforms for an image | 
| origin | Transform points between voxel and "world" coordinates | 
| pixdim | Pixel dimensions and units | 
| pixdim.default | Pixel dimensions and units | 
| pixdim<- | Pixel dimensions and units | 
| pixdim<-.default | Pixel dimensions and units | 
| pixunits | Pixel dimensions and units | 
| pixunits.default | Pixel dimensions and units | 
| pixunits<- | Pixel dimensions and units | 
| pixunits<-.default | Pixel dimensions and units | 
| print.analyzeHeader | Dump or construct a raw NIfTI or ANALYZE header | 
| print.niftiHeader | Dump or construct a raw NIfTI or ANALYZE header | 
| qform<- | Obtain or replace the "xform" transforms for an image | 
| readAnalyze | Read NIfTI or ANALYZE format files | 
| readNifti | Read NIfTI or ANALYZE format files | 
| retrieveNifti | Create or modify an NIfTI image object | 
| rgbArray | RGB arrays | 
| rotation | Obtain or replace the "xform" transforms for an image | 
| sform<- | Obtain or replace the "xform" transforms for an image | 
| timeSeriesPanel | Info panels for the built-in viewer | 
| toBidsJson | Conversion to and from BIDS JSON | 
| updateNifti | Create or modify an NIfTI image object | 
| view | A basic 3D image viewer | 
| voxelToWorld | Transform points between voxel and "world" coordinates | 
| worldToVoxel | Transform points between voxel and "world" coordinates | 
| writeAnalyze | Write a NIfTI or ANALYZE format file | 
| writeNifti | Write a NIfTI or ANALYZE format file | 
| xform | Obtain or replace the "xform" transforms for an image | 
| [.internalImage | Internal images | 
| [.rgbArray | RGB arrays | 
| [<-.internalImage | Internal images |