Threshold
Apply a fixed threshold or a dynamic threshold according to Otsu.
Can use available TwinCAT Job Tasks for executing parallel code regions.
Can return partial results when canceled by Watchdog.
Syntax
Definition:
HRESULT Threshold(
HRESULT hrPrev,
ITcVnImage* ipSrcImage,
ITcVnImage*& ipDestImage,
double fThreshold,
double fMaxValue,
ETcVnThresholdType eThresholdType
)
Parameters
Name |
Type |
Description |
---|---|---|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) | |
ipSrcImage |
Source image (For Otsu and Triangle threshold types, only 1 channel of TCVN_ET_USINT is supported) | |
ipDestImage |
Destination image (An appropriate destination image will be created if required.) | |
fThreshold |
double |
Fixed threshold (unused if dynamic thresholding is selected) |
fMaxValue |
double |
Maximum pixel value |
eThresholdType |
Threshold type to be applied |
Required License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |