Threshold Parameters and Units

Default

Defined

1

RADI (Radius of Filter) (pixels)

10

8

2

GTHR (Edge Gradient Threshold) (range, 0 - 255)

100

60

3

LTHR (Curve Length Threshold) (pixels)

30

20

4

FTHR (Line Fitting Threshold) (pixels)

3

3

5

ATHR (Angular Difference Threshold) (degrees)

30

15

6

DTHR (Linking Distance Threshold) (pixels)

20

20