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X-ray computed tomography apparatus, reconstruction processing apparatus and image processing apparatus
专利权人:
发明人:
申请号:
EP11162651.1
公开号:
EP2357617B1
申请日:
2008.07.09
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
An X-ray computed tomography apparatus scans a subject to be examined with cone beam X-rays, and generates reference volume data on the basis of projection data (SA1)- This apparatus extracts a cone beam artifact component contained in the reference volume data on the basis of the typical shape and direction of the cone beam artifact component (SA2, SA3, SA4, SA5, and SA6). This apparatus generates resultant volume data with the reduced cone beam artifact by subtracting the cone beam artifact component from the reference volume data (SA7).
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