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US 2004/0071265 A1Published application
Method for producing an x-ray image
AssigneeSiemens Aktiengesellschaft
InventorMichael Maschke
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Abstract
In a method for producing an x-ray image, during two time-separated examination dates, a first x-ray image and a second x-ray image of a body region of an organism are respectively generated. The x-ray image datasets associated with the two x-ray images are subtracted from one another, so that a further image dataset ensues. Subsequently, the image information of the image dataset is emphasized and superimposed with the image information of the second x-ray image dataset.
Claims4
A method for producing an x-ray image, comprising the steps of:
- at respective time-separated times, generating a first x-ray image dataset containing image information of a body region of a subject and generating a second x-ray image dataset containing image information of substantially the same body region, at a same projection for each of said first and second x-ray image datasets;
- subtracting the image information in one of said first and second x-ray image datasets from the image information in the other of said first and second x-ray image datasets to produce a subtraction dataset containing image information;
- emphasizing the image information in said subtracted image dataset to obtain emphasized image information;
- and
- superimposing the emphasized image information of said subtraction image dataset on said image information of said second x-ray image dataset.
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