F_VN_ImageAverageStdDev
Computes the (channel-wise) average pixel value and the corresponding standard deviation of an image.
Syntax
Definition:
FUNCTION F_VN_ImageAverageStdDev : HRESULT
VAR_INPUT
ipSrcImage : ITcVnImage;
END_VAR
VAR_IN_OUT
aAverage : TcVnVector4_LREAL;
aStdDev : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
ipSrcImage |
Source image (1 - 4 channels) | |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
aAverage |
Returns the (channel-wise) average pixel value of ipSrcImage | |
|
aStdDev |
Returns the (channel-wise) pixel value standard deviation of ipSrcImage |
Return valueRequired 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 |