Справочник Пользователя для National Instruments IMAQ Vision for LabWindows TM /CVI

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

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.