A BSpline transform is a non-rigid transform that is defined by a grid of control points.
Defines the control points of the transform. The input must be a 4D image with three elements in the last channel. Each voxel position is a control point with the three elements describing the deformation in that point.
Type: Image, List, Required, Single
Extrapolation Value Number
The default voxel value for voxels outside the Frame of Reference.
Spline Order Integer
The spline order can take a value between 1 and 3.
New Frame of Reference Boolean
The Frame of Reference describes the position, orientation, matrix size, and voxel size, of the transformed input.
Initial Transform Boolean
Add an initial transform to the output.
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