@itk-wasm/elastix
A toolbox for rigid and nonrigid registration of images.
Installation
npm install @itk-wasm/elastix
Usage
Browser interface
Import:
import {
defaultParameterMap,
elastix,
readParameterFiles,
writeParameterFiles,
setPipelinesBaseUrl,
getPipelinesBaseUrl,
setPipelineWorkerUrl,
getPipelineWorkerUrl,
} from "@itk-wasm/elastix"
defaultParameterMap
Returns the default elastix parameter map for a given transform type.
async function defaultParameterMap(
webWorker: null | Worker,
transformName: string,
options: DefaultParameterMapOptions = {}
) : Promise<DefaultParameterMapResult>
Parameter | Type | Description |
---|---|---|
transformName |
string | Transform name. One of: translation, rigid, affine, bspline, spline, groupwise |
DefaultParameterMapOptions
interface:
Property | Type | Description |
---|---|---|
numberOfResolutions |
number | Number of multiscale registration resolutions. |
finalGridSpacing |
number | Final grid spacing in physical units for bspline transforms. |
DefaultParameterMapResult
interface:
Property | Type | Description |
---|---|---|
webWorker | Worker | WebWorker used for computation |
parameterMap |
JsonCompatible | Elastix parameter map representation |
elastix
Rigid and non-rigid registration of images.
async function elastix(
webWorker: null | Worker,
parameterObject: JsonCompatible,
transform: string,
options: ElastixOptions = {}
) : Promise<ElastixResult>
Parameter | Type | Description |
---|---|---|
parameterObject |
JsonCompatible | Elastix parameter object representation |
transform |
string | Fixed-to-moving transform file |
ElastixOptions
interface:
Property | Type | Description |
---|---|---|
fixed |
Image | Fixed image |
moving |
Image | Moving image |
initialTransform |
*string | File |
initialTransformParameterObject |
JsonCompatible | Initial elastix transform parameter object to apply before registration. Only provide this or an initial transform. |
ElastixResult
interface:
Property | Type | Description |
---|---|---|
webWorker | Worker | WebWorker used for computation |
result |
Image | Resampled moving image |
transform |
BinaryFile | Fixed-to-moving transform file |
transformParameterObject |
JsonCompatible | Elastix optimized transform parameter object representation |
readParameterFiles
Read elastix parameter text files into a parameter object.
async function readParameterFiles(
webWorker: null | Worker,
options: ReadParameterFilesOptions = { parameterFiles: [] as TextFile[] | File[] | string[], }
) : Promise<ReadParameterFilesResult>
Parameter | Type | Description |
---|
ReadParameterFilesOptions
interface:
Property | Type | Description |
---|---|---|
parameterFiles |
*string[] | File[] |
ReadParameterFilesResult
interface:
Property | Type | Description |
---|---|---|
webWorker | Worker | WebWorker used for computation |
parameterObject |
JsonCompatible | Elastix parameter object representation |
writeParameterFiles
Write an elastix parameter text file from a parameter object.
async function writeParameterFiles(
webWorker: null | Worker,
parameterObject: JsonCompatible,
parameterFiles: string[]
) : Promise<WriteParameterFilesResult>
Parameter | Type | Description |
---|---|---|
parameterObject |
JsonCompatible | Elastix parameter object representation. |
parameterFiles |
string[] | Elastix parameter files, must have the same length as the number of parameter maps in the parameter object. |
WriteParameterFilesResult
interface:
Property | Type | Description |
---|---|---|
webWorker | Worker | WebWorker used for computation |
parameterFiles |
TextFile[] | Elastix parameter files, must have the same length as the number of parameter maps in the parameter object. |
setPipelinesBaseUrl
Set base URL for WebAssembly assets when vendored.
function setPipelinesBaseUrl(
baseUrl: string | URL
) : void
getPipelinesBaseUrl
Get base URL for WebAssembly assets when vendored.
function getPipelinesBaseUrl() : string | URL
setPipelineWorkerUrl
Set base URL for the itk-wasm pipeline worker script when vendored.
function setPipelineWorkerUrl(
baseUrl: string | URL
) : void
getPipelineWorkerUrl
Get base URL for the itk-wasm pipeline worker script when vendored.
function getPipelineWorkerUrl() : string | URL
Node interface
Import:
import {
defaultParameterMapNode,
elastixNode,
readParameterFilesNode,
writeParameterFilesNode,
setPipelinesBaseUrl,
getPipelinesBaseUrl,
setPipelineWorkerUrl,
getPipelineWorkerUrl,
} from "@itk-wasm/elastix"
defaultParameterMapNode
Returns the default elastix parameter map for a given transform type.
async function defaultParameterMapNode(
transformName: string,
options: DefaultParameterMapOptions = {}
) : Promise<DefaultParameterMapNodeResult>
Parameter | Type | Description |
---|---|---|
transformName |
string | Transform name. One of: translation, rigid, affine, bspline, spline, groupwise |
DefaultParameterMapNodeOptions
interface:
Property | Type | Description |
---|---|---|
numberOfResolutions |
number | Number of multiscale registration resolutions. |
finalGridSpacing |
number | Final grid spacing in physical units for bspline transforms. |
DefaultParameterMapNodeResult
interface:
Property | Type | Description |
---|---|---|
parameterMap |
JsonCompatible | Elastix parameter map representation |
elastixNode
Rigid and non-rigid registration of images.
async function elastixNode(
parameterObject: JsonCompatible,
transform: string,
options: ElastixOptions = {}
) : Promise<ElastixNodeResult>
Parameter | Type | Description |
---|---|---|
parameterObject |
JsonCompatible | Elastix parameter object representation |
transform |
string | Fixed-to-moving transform file |
ElastixNodeOptions
interface:
Property | Type | Description |
---|---|---|
fixed |
Image | Fixed image |
moving |
Image | Moving image |
initialTransform |
*string | File |
initialTransformParameterObject |
JsonCompatible | Initial elastix transform parameter object to apply before registration. Only provide this or an initial transform. |
ElastixNodeResult
interface:
Property | Type | Description |
---|---|---|
result |
Image | Resampled moving image |
transform |
BinaryFile | Fixed-to-moving transform file |
transformParameterObject |
JsonCompatible | Elastix optimized transform parameter object representation |
readParameterFilesNode
Read elastix parameter text files into a parameter object.
async function readParameterFilesNode(
options: ReadParameterFilesOptions = { parameterFiles: [] as string[], }
) : Promise<ReadParameterFilesNodeResult>
Parameter | Type | Description |
---|
ReadParameterFilesNodeOptions
interface:
Property | Type | Description |
---|---|---|
parameterFiles |
*string[] | File[] |
ReadParameterFilesNodeResult
interface:
Property | Type | Description |
---|---|---|
parameterObject |
JsonCompatible | Elastix parameter object representation |
writeParameterFilesNode
Write an elastix parameter text file from a parameter object.
async function writeParameterFilesNode(
parameterObject: JsonCompatible,
parameterFiles: string[]
) : Promise<WriteParameterFilesNodeResult>
Parameter | Type | Description |
---|---|---|
parameterObject |
JsonCompatible | Elastix parameter object representation. |
parameterFiles |
string[] | Elastix parameter files, must have the same length as the number of parameter maps in the parameter object. |
WriteParameterFilesNodeResult
interface:
Property | Type | Description |
---|---|---|
parameterFiles |
TextFile[] | Elastix parameter files, must have the same length as the number of parameter maps in the parameter object. |