Region of Interest

LabView NI Vision

Region of Interest

Owning Palette: Vision UtilitiesInstalled With: NI Vision Development Module

Use the Region of Interest VIs to focus processing and analysis on part of an image. The Region of Interest Conversion subpalette contains VIs convert machine vision point, line, rectangle, and annulus datatypes to or from a Region of Interest descriptor.

Palette Object Description
IMAQ ROIToMask

Transforms a region of interest into a mask.

IMAQ MaskToROI

Transforms an image mask into a region of interest descriptor.

IMAQ Group ROIs

Builds a single ROI descriptor from an of array ROI descriptors.

IMAQ Ungroup ROIs

Separates an ROI descriptor describing many contours into an array of ROI descriptors. Each of the ROI descriptors returned contains a single contour.

IMAQ TransformROI

Rotates and translates an ROI in an image to transform the ROI from one coordinate system (Base Reference) to another (New Reference).



Subpalette Description
Region of Interest Conversion

Use the Region of Interest Conversion VIs to convert machine vision point, line, rectangle, and annulus datatypes to or from a Region of Interest descriptor. The Region of Interest Conversion palette is a subpalette of the Region of Interest palette.