Sigmoid
Apply the logistic function 1 / (1 + exp(-fSteepness * (x - fShift))) element-wise to a single- or multi-channel REAL image.
Syntax
Definition:
HRESULT Sigmoid(
HRESULT hrPrev,
ITcVnImage* ipSrcImage,
ITcVnImage*& ipDestImage,
float fShift = 0.0f,
float fSteepness = 1.0f
)Parameters
|
Name |
Type |
Default |
Description |
|---|---|---|---|
|
hrPrev |
|
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) | |
|
ipSrcImage |
|
Source image (REAL) | |
|
ipDestImage |
|
Destination image (An appropriate destination image will be created if required.) | |
|
fShift |
float |
0.0f |
Determines the intensity level around which the logistic function transitions. |
|
fSteepness |
float |
1.0f |
Controls the sharpness of the transition. |
Required 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 PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |