ImageAverageStdDev

Computes the (channel-wise) average pixel value and the corresponding standard deviation of an image.

Syntax

Definition:

HRESULT ImageAverageStdDev(
    HRESULT            hrPrev,
    ITcVnImage*        ipSrcImage,
    TcVnVector4_LREAL& aAverage,
    TcVnVector4_LREAL& aStdDev,
    ITcVnImage*        ipMask = nullptr
)

Parameters

Name

Type

Default

Description

hrPrev

HRESULT

 

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

ipSrcImage

ITcVnImage*

 

Source image (1 - 4 channels)

aAverage

TcVnVector4_LREAL&

 

Returns the (channel-wise) average pixel value of ipSrcImage

aStdDev

TcVnVector4_LREAL&

 

Returns the (channel-wise) pixel value standard deviation of ipSrcImage

ipMask

ITcVnImage*

nullptr

Mask of type USINT (1 channel)

ImageAverageStdDev 1: 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