Frame grabber

It is usually employed as a component of a computer vision system, in which video frames are captured in digital form and then displayed, stored, transmitted, analyzed, or combinations of these.

Modern frame grabbers often are able to perform functions beyond capturing a single video input.

In recent years with the rise of personal video recorders like camcorders, mobile phones, etc.

Amateur astronomers and astrophotographers use frame grabbers when using analog "low light" cameras for live image display and internet video broadcasting of celestial objects.

Frame grabbers are essential to connect the analog cameras used in this application to the computers that store or process the images.