Enhanced X-ray imaging system and method
First Claim
1. A method for generating a three-dimensional dataset, the method comprising the acts of:
- acquiring a plurality of projection images from different locations on an arbitrary imaging trajectory; and
reconstructing the plurality of projection images to form a three-dimensional dataset.
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Abstract
Techniques are provided for generating three-dimensional images, such as may be used in mammography. In accordance with these techniques, projection images of an object of interest are acquired from different locations, such as by moving an X-ray source along an arbitrary imaging trajectory between emissions or by individually activating different X-ray sources located at different locations relative to the object of interest. The projection images may be reconstructed to generate a three-dimensional dataset representative of the object from which one or more volumes may be selected for visualization and display. Additional processing steps may occur throughout the image chain, such as for pre-processing the projection images or post-processing the three-dimensional dataset.
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Citations
25 Claims
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1. A method for generating a three-dimensional dataset, the method comprising the acts of:
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acquiring a plurality of projection images from different locations on an arbitrary imaging trajectory; and reconstructing the plurality of projection images to form a three-dimensional dataset. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A tangible, machine readable media, comprising:
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code adapted to control acquisition of a plurality of projection images from different locations on an arbitrary imaging trajectory; and code adapted to reconstruct the plurality of projection images to form a three-dimensional dataset. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. An imaging system, comprising:
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means for acquiring a plurality of projection images from different locations on an arbitrary imaging trajectory; and means for reconstructing the plurality of projection images to form a three-dimensional dataset.
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18. An imaging system, comprising:
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an X-ray source configured to move along an arbitrary imaging trajectory; a positioner configured to move at least the X-ray source; a system controller configured to operate the X-ray source; a detector configured to detect X-rays emitted by the X-ray source at different locations on the arbitrary imaging trajectory and to generate signals in response to the detected X-rays; and a detector interface configured to acquire the signals from the detector. - View Dependent Claims (19, 20, 21)
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22. An imaging system, comprising:
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a plurality of X-ray sources, wherein each X-ray source is located at different location on an arbitrary imaging trajectory and wherein each X-ray source is individually activated; a system controller configured to operate the plurality of X-ray sources; a detector configured to detect X-rays emitted by each respective X-ray source and to generate signals in response to the detected X-rays; and a detector interface configured to acquire the signals from the detector. - View Dependent Claims (23, 24, 25)
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Specification