F_VN_ImageMedianExp

Computes the (approximated, channel-wise) median pixel value of an image. (expert function)
Can use available TwinCAT Job Tasks for executing parallel code regions.

Syntax

Definition:

FUNCTION F_VN_ImageMedianExp : HRESULT
VAR_INPUT
    ipSrcImage : ITcVnImage;
END_VAR
VAR_IN_OUT
    aMedian    : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    ipMask     : ITcVnImage;
    hrPrev     : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipSrcImage	ITcVnImage	Source image (1 - 4 channels)
ipMask	ITcVnImage	Mask of type USINT (1 channel)
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
aMedian	TcVnVector4_LREAL	Returns the (approximated, channel-wise) median pixel value of ipSrcImage

Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1. 4024.44 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision