F_VN_SigmoidExp
Apply the logistic function 1 / (1 + exp(-fSteepness * (x - fShift))) element-wise to a single- or multi-channel REAL image. (expert function)
Syntax
Definition:
FUNCTION F_VN_SigmoidExp : HRESULT
VAR_INPUT
ipSrcImage : ITcVnImage;
ipDestImage : Reference To ITcVnImage;
fShift : REAL;
fSteepness : REAL;
hrPrev : HRESULT;
END_VAR
Inputs
Name | Type | Description |
|---|---|---|
ipSrcImage | Source image (REAL) | |
ipDestImage | Reference To ITcVnImage | Destination image (An appropriate destination image will be created if required.) |
fShift | REAL | Determines the intensity level around which the logistic function transitions. |
fSteepness | REAL | Controls the sharpness of the transition. |
hrPrev | HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
Return valueRequired License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT V3.1.4024.59 or later | PC or CX (x64) with min. PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |