Frame Grabber

Frame Grabber is an acquisition device, which was initially used to capture images and format them into a digital, DICOM format when a digital signal was not available.  They have become less and less common, except for connecting existing, older equipment to a PACS.  It works as its name indicates:  it grabs an analogue video frame, often directly from a video monitor.  Frame grabbers have the same issues as the film scanners, i.e., "burned-in" text in the image which becomes an issue when this text has to be corrected. IN many cases, these devices require manual data entry of patient demographics, unless a DICOM Modality Worklist is available, allowing the patient demographics to be retrieved from a RIS.

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