Imaq vision function tree, Table 1-1. imaq vision function types, Imaq vision function tree -2 – National Instruments IMAQ Vision for LabWindows TM /CVI User Manual

Page 12

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Chapter 1

Introduction to IMAQ Vision

IMAQ Vision for LabWindows/CVI User Manual

1-2

ni.com

IMAQ Vision Function Tree

The IMAQ Vision function tree (

NIVision.lfp

) contains separate

classes corresponding to groups or types of functions. Table 1-1 lists the
IMAQ Vision function types and gives a description of each type.

Table 1-1. IMAQ Vision Function Types

Function Type

Description

Image
Management

Functions that create space in memory for images and perform basic image
manipulation.

Memory
Management

Function that returns, to the operating system, previously used memory that is
no longer needed.

Error
Management

Functions that set the current error, return the name of the function in which the
last error occurred, return the error code of the last error, and clear any pending
errors.

Acquisition

Functions that acquire images through an IMAQ hardware device.

Display

Functions that cover all aspects of image visualization and image window
management.

Overlay

Functions that create and manipulate overlays.

Regions of
Interest

Functions that create and manipulate regions of interest.

File I/O

Functions that read and write images from and to files.

Calibration

Functions that learn calibration information and correct distorted images.

Image
Analysis

Functions that compute the centroid of an image, profile of a line of pixels,
and the mean line profile. This type also includes functions that calculate the
pixel distribution and statistical parameters of an image.

Grayscale
Processing

Functions for grayscale image processing and analysis.

Binary
Processing

Functions for binary image processing and analysis.

Color
Processing

Functions for color image processing and analysis.

Pattern
Matching

Functions that learn patterns and search for patterns in images.

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