Grabbing an image (continuous image acquisition)

1. Click File»Acquire Image. Vision Assistant displays the Acquire Images Processing Functions palette.
2. Click the appropriate acquisition step. The Devices window displays all NI image acquisition devices and channels or ports available for the computer.
3. Select the device and channel or port you want to use to acquire an image.
4. Click Acquire Continuous Images to acquire and display images in continuous mode at the maximum rate. This operation is known as a grab.
5. Click Acquire Continuous Images again to stop the acquisition and display the last acquired image.
6. Click Store Acquired Image in Browser to send the image to the Image Browser.
7. Process the image as you would any other image in Vision Assistant.

Note  Refer to the NI Vision Acquisition Software Release Notes for more information about configuring NI image acquisition devices.

Tip   You can select a region of interest from a full-size image during the acquisition. To reduce the image to the selected ROI, draw an ROI in the image while grabbing it. You can further refine the image by selecting another ROI. Return to the full-size image by clicking the image.

Related Topics

Acquiring a sequence of images

Acquiring images in color

Image Acquisition in Vision Assistant

Snapping an image (single image acquisition)