Back to Adaptive Vision Studio website

You are here: Start » Filter Reference » Texture Analysis » LawsFilter

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.
DomainError Not supported inImage pixel format in LawsFilter.

Complexity Level

This filter is available on Basic Complexity Level.