Back to FabImage Library website

You are here: Start » Function Reference » Image » Image Features » GradientImageRidges

GradientImageRidges


Header: FIL.h
Namespace: fil
Module: FoundationPro

Finds ridge pixels in a gradient image.

Syntax

C++
C#
 
void fil::GradientImageRidges
(
	const fil::Image& inImage,
	ftl::Optional<const fil::Region&> inRoi,
	fil::GradientMaskOperator::Type inOperator,
	fil::MagnitudeMeasure::Type inMeasure,
	fil::NonMaximaMethod::Type inMethod,
	int inMinValue,
	fil::Region& outRegion,
	fil::Image& outMagnitude = ftl::Dummy<fil::Image>()
)

Parameters

Name Type Default Description
Input value inImage const Image& Input image
Input value inRoi Optional<const Region&> NIL Range of pixels to be processed
Input value inOperator GradientMaskOperator::Type Sobel Gradient operator
Input value inMeasure MagnitudeMeasure::Type Hypot Gradient magnitude measure
Input value inMethod NonMaximaMethod::Type InterpolatedPlus Ridge computation method
Input value inMinValue int 4 Minimum gradient magnitude of a ridge
Output value outRegion Region& Output region
Output value outMagnitude Image& Dummy<Image>()

Errors

List of possible exceptions:

Error type Description
DomainError Region exceeds an input image in GradientImageRidges.