METHOD AND ARRANGEMENT RELATING TO X-RAY IMAGING
First Claim
1. An apparatus for three-dimensional imaging of a human breast comprising a reconstruction means for reconstruction of a three-dimensional image volume, a compression paddle for holding said breast, an actuator for controlling the position of said compression paddle, and a position gauge for measurement of the position of said compression paddle, wherein said reconstruction means is operatively arranged to receive signals, corresponding to measurements by said position gauge, from said position gauge and constrain the boundary of said image volume based on said received signal.
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Accused Products
Abstract
To enhance results of an x-ray apparatus the invention relates to an apparatus for three-dimensional imaging of a human breast comprising a reconstruction means for reconstruction of a three-dimensional image volume, a compression paddle for holding said breast, an actuator for controlling the position of said compression paddle, and a position gauge for measurement of the position of said compression paddle. The reconstruction means is operatively arranged to receive signals, corresponding to measurements by said position gauge, from said position gauge and constrain the boundary of said image volume based on said received signal.
13 Citations
26 Claims
- 1. An apparatus for three-dimensional imaging of a human breast comprising a reconstruction means for reconstruction of a three-dimensional image volume, a compression paddle for holding said breast, an actuator for controlling the position of said compression paddle, and a position gauge for measurement of the position of said compression paddle, wherein said reconstruction means is operatively arranged to receive signals, corresponding to measurements by said position gauge, from said position gauge and constrain the boundary of said image volume based on said received signal.
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22. A reconstruction device for reconstruction of a three-dimensional image volume from a set of projection images of a human body part, said device being connected to a position gauge for measurement of the position of a compression paddle for compressing said body part, wherein said reconstruction device is operatively arranged to receive signals, corresponding to measurements by said position gauge, from said position gauge and constrain a boundary for said image volume based on said received signal.
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23. An apparatus for three-dimensional imaging of a human breast comprising a reconstruction means for reconstruction of a three-dimensional image volume, a compression paddle for holding said breast, an actuator for controlling the position of said compression paddle, and a position gauge for measurement of the position of said compression paddle, an acquisition means for obtaining a set of projection images of said breast, and said reconstruction means being operatively arranged to compute a three-dimensional image volume from the combination of said projection images and a value from said position gauge.
- 24. A method for obtaining a three-dimensional breast image, comprising the steps of measuring a position of a movable compression paddle holding said breast, acquiring a set of projection images, and reconstructing a three-dimensional image volume from said projection images, said step of reconstructing further involving constraining a boundary of said volume based on a value from a position gauge.
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26. A computer program product comprising a set of instructions for receiving a set of projection images, receiving a position value from a position gauge, reconstructing a three-dimensional image volume from said projection images, and instructions for constraining the boundaries of said image volume, based on said position value.
Specification