X-ray or gamma ray systems or devices – Specific application – Tomography
Reexamination Certificate
2008-04-08
2008-04-08
Kao, Chih-Cheng G (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Tomography
C378S022000
Reexamination Certificate
active
07356113
ABSTRACT:
A system for three-dimensional tomosynthesis imaging of a target element includes an image acquisition element and a processor. The image acquisition element obtains a plurality of images of the target element from a plurality of angles and includes a radiation source that is positionable at a plurality of angles with respect to the target element and a radiation detector. The radiation detector is positioned so as to detect radiation emitted by the radiation source passing through the target element and determine a plurality of attenuation values for radiation passing through the target element to establish a radiation absorbance projection image of the target element for a particular radiation source angle. The processor is configured to apply an iterative reconstruction algorithm to the radiation absorbance projection images of the target element obtained from a plurality of radiation source angles to generate a three-dimensional reconstruction of the target element.
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Kopans Daniel B.
Moore Richard
Phillips Walter
Stanton Martin
Stewart Alex
Brandeis University
Kao Chih-Cheng G
Nutter & McClennen & Fish LLP
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