METHOD AND APPARATUS FOR COLLECTING VIDEO FRAMES, LINES AND PIXELS

A flexible video selector for use in various imaging systems including computed tomography (CT) imaging systems. A system operator inserts a number of video parameters identifying frames, lines and pixels of video information to be collected. A plurality of registers and counting devices are employe...

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Bibliographische Detailangaben
Hauptverfasser:	DRAWERT, BRUCE M
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HYGIENE IDENTIFICATION IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEDICAL OR VETERINARY SCIENCE PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SURGERY TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS X-RAY TECHNIQUE
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Beschreibung
Zusammenfassung:	A flexible video selector for use in various imaging systems including computed tomography (CT) imaging systems. A system operator inserts a number of video parameters identifying frames, lines and pixels of video information to be collected. A plurality of registers and counting devices are employed to control the video data selection. An A/D converter may be driven at intervals corresponding to the selected video information. In this manner, only video information corresponding to the selected pixels of the selected lines of the selected frame of video information are digitized for further processing. When implemented in a CT imaging system, the invention provides for x-ray dose control corresponding to the selected video parameters.