9.45. ITK Laplacian Recursive Gaussian Image Filter

Computes the Laplacian of Gaussian (LoG) of an image.

Group (Subgroup)

ITKImageFeature (ImageFeature)

Description

Computes the Laplacian of Gaussian (LoG) of an image by convolution with the second derivative of a Gaussian. This filter is implemented using the recursive gaussian filters.

Input Parameter(s)

Parameter Name

Parameter Type

Parameter Notes

Description

Sigma

Scalar Value

Float64

Set/Get Sigma value. Sigma is measured in the units of image spacing.

Normalize Across Scale

Bool

Define which normalization factor will be used for the Gaussian. See RecursiveGaussianImageFilter::SetNormalizeAcrossScale

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 Image Data Array

DataObjectName

The result of the processing will be stored in this Data Array.

Example Pipelines

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