9.41. ITK Intensity Windowing Image Filter

Applies a linear transformation to the intensity levels of the input Image that are inside a user-defined interval. Values below this interval are mapped to a constant. Values over the interval are mapped to another constant.

Group (Subgroup)

ITKImageIntensity (ImageIntensity)

Description

IntensityWindowingImageFilter applies pixel-wise a linear transformation to the intensity values of input image pixels. The linear transformation is defined by the user in terms of the minimum and maximum values that the output image should have and the lower and upper limits of the intensity window of the input image. This operation is very common in visualization, and can also be applied as a convenient preprocessing operation for image segmentation.

All computations are performed in the precision of the input pixel’s RealType. Before assigning the computed value to the output pixel.* RescaleIntensityImageFilter

Input Parameter(s)

Parameter Name

Parameter Type

Parameter Notes

Description

Window Minimum

Scalar Value

Float64

Set/Get the values of the maximum and minimum intensities of the input intensity window.

Window Maximum

Scalar Value

Float64

Set/Get the values of the maximum and minimum intensities of the input intensity window.

Output Minimum

Scalar Value

Float64

Set/Get the values of the maximum and minimum intensities of the output image.

Output Maximum

Scalar Value

Float64

Set/Get the values of the maximum and minimum intensities of the output image.

Input Cell Data

Parameter Name

Parameter Type

Parameter Notes

Description

Image Geometry

Geometry Selection

Image

Select the Image Geometry Group from the DataStructure.

Input Cell Data

Array Selection

Allowed Types: int8, uint8, int16, uint16, int32, uint32, int64, uint64, float32, float64

The image data that will be processed by this filter.

Output Cell Data

Parameter Name

Parameter Type

Parameter Notes

Description

Output Cell Data

DataObjectName

The result of the processing will be stored in this Data Array inside the same group as the input data.

Example Pipelines

DREAM3D-NX Help

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