发明名称 |
Method for converting CT data to linear attenuation coefficient map data |
摘要 |
A method for converting output data from a computer tomography (CT) device to linear attenuation coefficient data includes a step of receiving output pixel data from a CT device for a pixel of a CT image. The value of the pixel data is compared to a predetermined range. If the value is within the predetermined range, a linear attenuation coefficient is calculated from the pixel data using a first conversion function corresponding to said predetermined range. If the value is outside the predetermined range, the linear attenuation coefficient is calculated from the pixel data using a second conversion function corresponding to a range outside said predetermined range. The calculated coefficient is stored in a memory as part of a linear attenuation coefficient map.
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申请公布号 |
US2005058259(A1) |
申请公布日期 |
2005.03.17 |
申请号 |
US20030660275 |
申请日期 |
2003.09.11 |
申请人 |
SIEMENS MEDICAL SOLUTIONS USA, INC. |
发明人 |
VIJA A. HANS;DESH VLADIMIR |
分类号 |
A61B6/00;A61B6/02;G01N23/083;G01T1/17;H05G1/00;(IPC1-7):H05G1/00 |
主分类号 |
A61B6/00 |
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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