F_VN_HuMomentInvariants

F_VN_HuMomentInvariants 1:

Computes the Hu moment invariants.

Syntax

Definition:

FUNCTION F_VN_HuMomentInvariants : HRESULT
VAR_IN_OUT
    stMoments     : TcVnMoments;
    aHuInvariants : TcVnArray7_LREAL;
END_VAR
VAR_INPUT
    hrPrev        : HRESULT;
END_VAR

F_VN_HuMomentInvariants 2: Inputs

Name

Type

Description

hrPrev

HRESULT

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

F_VN_HuMomentInvariants 3: In/Outputs

Name

Type

Description

stMoments

TcVnMoments

Moments from which to compute the Hu invariants

aHuInvariants

TcVnArray7_LREAL

Returns the Hu moment invariants

F_VN_HuMomentInvariants 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