IMAGE-BASED DETERMINATION OF COMPRESSION ELEMENT DEFLECTION
First Claim
1. An X-ray imaging system element for determining a geometrical parameter of an object, comprisinga first compression element;
- anda second compression element;
wherein the first compression element and the second compression element are movable relative to one another;
wherein an object is introducible between the first compression element and the second compression element;
wherein the object is compressible between the first compression element and the second compression element;
wherein at least one the first compression element and the second compression element is adapted to alter its geometrical shape and/or alignment relative to the further compression element of the first compression element and the second compression element when the object is compressed between the first compression element, and the second compression element;
wherein X-radiation may penetrate the first compression element, the object and the second compression element;
wherein at least one of the first compression element and the second compression element comprises at least one at least partly X-ray opaque marker element;
wherein the marker element is adapted to allow detection of an alteration of the geometrical shape of the respective compression element.
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Abstract
The invention relates to X-ray imaging technology as well as image post-processing and analyzing. An X-ray imaging system element (3), an X-ray imaging system (2), the use of a system element in an X-ray imaging system and the method (40) of determining a deflection of a compression element is disclosed. The X-ray imaging system element (3) comprises two compression elements (8a, 8b), which are movable relative to one another. An object (10) is introducible and compressible between the compression elements. At least one of the compression elements is adapted to alter its geometrical shape and/or alignment relative to the other during compression. At least one partly X-ray opaque marker element (24) is provided on one of the compression elements, which marker element is adapted to allow detection of an alteration of the geometrical shape of the respective compression element (8a, b).
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Citations
15 Claims
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1. An X-ray imaging system element for determining a geometrical parameter of an object, comprising
a first compression element; - and
a second compression element; wherein the first compression element and the second compression element are movable relative to one another; wherein an object is introducible between the first compression element and the second compression element; wherein the object is compressible between the first compression element and the second compression element; wherein at least one the first compression element and the second compression element is adapted to alter its geometrical shape and/or alignment relative to the further compression element of the first compression element and the second compression element when the object is compressed between the first compression element, and the second compression element; wherein X-radiation may penetrate the first compression element, the object and the second compression element; wherein at least one of the first compression element and the second compression element comprises at least one at least partly X-ray opaque marker element; wherein the marker element is adapted to allow detection of an alteration of the geometrical shape of the respective compression element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. (canceled)
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14. A Method of determining a deflection of a compression element, comprising:
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receiving image information of an object being compressed between a first compression element and a second compression element while performing image acquisition, wherein the image information comprises image information of at least one marker element; and determining a geometrical alteration of at least one compression element by analyzing the marker element image information in the received image information. - View Dependent Claims (15)
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Specification