Region of Interest
- Updated2023-02-21
- 1 minute(s) read
Region of Interest
Owning Palette: Vision UtilitiesRequires: 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 2 |
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). |
| IMAQ LabelToROI |
Converts a label image into an ROI. Multiple contours are added to an ROI if more than one particle is present for the respective label. |
| 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. |