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LawsFilter

Filters image with one of classic LAWS filter

Name	Type	Range	Description
inImage	Image		Input mono image.
inRoi	Region *		Region of Interest.
inVerticalFilter	LawsFilterType		Vertical part of filter.
inHorizontalFilter	LawsFilterType		Horizontal part of filter.
inFilterSize	LawsFilterSize		Filter window size.
inMacroBlockSize	Integer	3 -	Macroblock is used to gather generated texture energy.
inNormalizeLocalContrast	Bool		Whether to normalize image before processing.
outTextureImage	Image		Filtered image.
outTextureEnergyImage	Image		Texture energy (AVG).

Requirements

For input inImage only pixel formats are supported: 1⨯uint8.

Read more about pixel formats in Image documentation.

Description

The operation applies texture filters to input image to obtain energy measures.
Laws filter types are: Level, Edge, Wave, Spot, Ripple, Oscillation and Undulation.

Examples

From left: sample image, applied Level and Wave filters, Spot and Edge, Spot and Ripple.

Errors

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

Error type	Description
DomainError	Laws filters can be applied to single channel images only.

Complexity Level

This filter is available on Basic Complexity Level.