发明名称 |
X-ray therapy electronic portal imaging system and method for artifact reduction |
摘要 |
X-ray therapy EPI artifact reduction and control of imaging is provided. Scanning of images is synchronized with the pulse rate of the x-rays. The scanning period is longer than the pulse rate period, so artifacts are generated within the resulting images. Due to the synchronization, the pulse variation artifacts are aligned across multiple images. The synchronization and resulting alignment of linear artifacts allows for gain correction as a function of lines within the image. Such gain correction reduces or removes non-linearities associated with pulse rate variation.
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申请公布号 |
US7076023(B2) |
申请公布日期 |
2006.07.11 |
申请号 |
US20010039607 |
申请日期 |
2001.10.26 |
申请人 |
SIEMENS MEDICAL SOLUTIONS USA, INC. |
发明人 |
GHELMANSARAI FARHAD ABBASI;COLLINS WILLIAM F. |
分类号 |
A61N5/10;A61B6/00;H04N5/32;H04N5/325;H05G1/60 |
主分类号 |
A61N5/10 |
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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