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 V3.1.4024.54 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision