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Description

he Hough Line tool finds straight lines present in an image.

There are 3 stages to using the hough tools

Inputs

CIFViewer

CIF

ROI

Edge Extraction Parameters

Smoothing

The Laplace Smoothign

Filter

The Edge Detect Operator

Sensitivity

The sensitivity for determine that this is an edge

MinEdgeStrength

Uses the Canny Hysterisis , ie an edge must have at leasst this edge strength. ie dual threshold is applied. If the Edge does not anywher on the line have this strength it is deteed

Hough Image Extraction Parameters

Angle Bin Size

In degrees the Angle Bin size

R Bin Size

The line distance bin size

MaxCount

Max Number of lines to be sort

DefineThreshold

The Min number of Hough points for the bin to be regarded as defining a line

BlockAngle

BlockRho

After a line is found this part of the Hough imnage is blocked out

Optional Edge Point Extraction Parameters

FitToPoints(Min)

The min number of points to define a line. If 0 this the edge point extraction is not used

FitTolerance

the tolerance in pixel of a endge point to be regarded as part of a line

Misc

Geometries

Count

CoordinateSystem

RenderStyle

RefreshViewer

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