Uncategorized
Local Threshold
Applies a threshold using the local neighborhood.
Operation pads
This operation exposes the following data pads, defining how it receives, processes, and emits image data:
Input
Output
Operation properties
Radius
gdouble
Standard deviation of gaussian neighborhood average for computing local contrast. If 0 is used a global threshold is used instead of one based on local contrast.
Default
Default
200.00Antialiasing
gint
Rough target of levels of accuracy for antialiasing, 1 to disable antialiasing.
Default
Value range
Default
1Value range
1 • • 256.Low
gdouble
Thresholding level, 0.5 towards 0 to minimize shadows and towards 1.0 to minimize highlights.
Default
Value range
Default
0.50Value range
0.00 • • 1.00.High
gdouble
Maximum values to include, above this gets set to 0.
Default
Value range
Default
1.00Value range
0.00 • • 10.00.