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 V3.1.4024.59 or later

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

Tc3_Vision