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System And Method Of Small Field Of View X-Ray Imaging
专利权人:
PALODEX GROUP OY
发明人:
Esa Kalevi Eronen
申请号:
US14611865
公开号:
US20160220201A1
申请日:
2015.02.02
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A system and method of X-ray imaging includes an X-ray emitter that projects X-rays. An X-ray receiver that receives X-rays from the X-ray emitter to produce a plurality of projection images. A filter with at least one filter leaf absorb at least a portion of the X-rays from the X-ray emitter to define a limited field of view within a full field of view with the X-rays being attenuated in at least one attenuated portion of the full field of view. A processor reconstructs a three dimensional image based upon the projection images of the full field of view. The limited field view is located within the reconstructed three dimensional image. At least one corrective parameter is determined from the reconstructed three dimensional image. A three dimensional image is reconstructed based upon the limited field, of view and the at least one corrective parameter.
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