发明名称 |
X-RAY CT APPARATUS, AND IMAGE PROCESSING DEVICE |
摘要 |
An X-ray CT apparatus includes a unit (20) which extracts a high-contrast region of comparatively high X-ray attenuation coefficient from an image, units (21, 22) which generate an unsharp image concerning the high-contrast region, on the basis of the position of the extracted high-contrast region and a point spread function peculiar to the apparatus, and a unit (23) which subtracts the unsharp image from the original image in order to generate a low-contrast image concerning a low-contrast region of comparatively low X-ray attenuation coefficient. |
申请公布号 |
EP1825810(A4) |
申请公布日期 |
2010.07.14 |
申请号 |
EP20050809487 |
申请日期 |
2005.11.24 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA MEDICAL SYSTEMS CORPORATION |
发明人 |
OKAMOTO, YOSUKE;NAKANISHI, SATORU |
分类号 |
G06T5/20;A61B6/00;A61B6/03;G06T1/00;G06T5/40;G06T5/50;G06T15/20 |
主分类号 |
G06T5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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