F_VN_ImageMoments

F_VN_ImageMoments 1:

Computes the spatial moments, the central moments, and the central normalized moments of an image up to the third order.

Syntax

Definition:

FUNCTION F_VN_ImageMoments : HRESULT
VAR_INPUT
    ipImage      : ITcVnImage;
END_VAR
VAR_IN_OUT
    stMoments    : TcVnMoments;
END_VAR
VAR_INPUT
    bBinaryImage : BOOL;
    hrPrev       : HRESULT;
END_VAR

F_VN_ImageMoments 2: Inputs

Name

Type

Description

ipImage

ITcVnImage

Source image (1 channel, elements of type USINT or REAL)

bBinaryImage

BOOL

If true, all non-zero pixels are treated as ones

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_ImageMoments 3: In/Outputs

Name

Type

Description

stMoments

TcVnMoments

Returns a struct containing the moments

F_VN_ImageMoments 4: Return value

HRESULT

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 min. PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision