X-ray device incorporating detection of shutter edges
AssigneeKoninklijke Philips Electronics N.V.
InventorsThorsten Buzug, Michael Kuhn, Rafael Wiemker
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Abstract
The shutters (2) in an X-ray device which include at least a radiation source (1), a diaphragm device (8) with shutters (2) and a recording (3) and image processing unit (4), are provided with hole and/or edge patterns (11-14) which reproduce non-anatomical patterns in the radiation image; the shutter edges (15) are detected in the radiation image in the image processing unit on the basis of such patterns, so that only the directly irradiated part of the patient is displayed.
Claims8
An X-ray device comprising:
- at least one radiation source,
- a diaphragm device with shutters, the shutters comprising hole and/or edge patterns which reproduce non-anatomical patterns in a radiation image,
- a recording unit and
- an image processing unit which is arranged to detect the hole and/or edge patterns of the shutters in the radiation image.
A diaphragm device for use in an X-ray device comprising shutters, wherein the shutters further comprise non-anatomical hole and/or edge patterns.
Dependencies are inferred from the claim text.