CN102113889B - 自动亮度透视控制系统控制信号的双窗口拾取方法 - Google Patents
自动亮度透视控制系统控制信号的双窗口拾取方法 Download PDFInfo
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- CN102113889B CN102113889B CN 200910254611 CN200910254611A CN102113889B CN 102113889 B CN102113889 B CN 102113889B CN 200910254611 CN200910254611 CN 200910254611 CN 200910254611 A CN200910254611 A CN 200910254611A CN 102113889 B CN102113889 B CN 102113889B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007796 conventional method Methods 0.000 abstract 1
- 210000003141 lower extremity Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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Abstract
Description
项目 | 大窗口(%) | 小窗口(%) | 拾取方法 |
1 | 100 | 100 | IBS=大窗口信号均值×90%+小窗口信号均值×10% |
2 | 90-40 | 100 | IBS=大窗口信号均值×10%+小窗口信号均值×90% |
3 | <60 | >80 | IBS=大窗口信号均值×40%+小窗口信号均值×60% |
4 | <30 | <80 | IBS=大窗口信号均值×20%+小窗口信号均值×80% |
kV | mA |
40~49 | 0.2 0.2 0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.6 |
50~59 | 0.7 0.7 0.7 0.8 0.8 0.8 0.9 0.9 0.9 1.0 |
60~69 | 1.0 1.0 1.1 1.1 1.1 1.2 1.2 1.2 1.3 1.3 |
70~79 | 1.3 1.4 1.4 1.4 1.5 1.5 1.5 1.6 1.6 1.6 |
80~89 | 1.7 1.7 1.7 1.8 1.8 1.8 1.9 1.9 1.9 2.0 |
90~99 | 2.0 2.0 2.1 2.1 2.1 2.2 2.2 2.3 2.3 2.4 |
100 | 2.4 |
kV | mA |
40~49 | 0.2 0.3 0.3 0.4 0.5 0.5 0.6 0.7 0.7 0.8 |
50~59 | 0.9 0.9 1.0 1.1 1.1 1.2 1.3 1.3 1.4 1.5 |
60~69 | 1.6 1.6 1.7 1.7 1.8 1.8 1.8 1.9 1.9 1.9 |
70~79 | 1.9 2.0 2.0 2.0 2.0 2.1 2.1 2.1 2.1 2.1 |
80~89 | 2.1 2.1 2.1 2.1 2.2 2.2 2.2 2.2 2.2 2.2 |
90~99 | 2.3 2.3 2.3 2.3 2.3 2.4 2.4 2.4 2.4 2.4 |
100 | 2.4 |
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CN 200910254611 CN102113889B (zh) | 2009-12-30 | 2009-12-30 | 自动亮度透视控制系统控制信号的双窗口拾取方法 |
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CN 200910254611 CN102113889B (zh) | 2009-12-30 | 2009-12-30 | 自动亮度透视控制系统控制信号的双窗口拾取方法 |
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CN102113889A CN102113889A (zh) | 2011-07-06 |
CN102113889B true CN102113889B (zh) | 2013-01-23 |
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CN 200910254611 Expired - Fee Related CN102113889B (zh) | 2009-12-30 | 2009-12-30 | 自动亮度透视控制系统控制信号的双窗口拾取方法 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102894988B (zh) * | 2011-07-25 | 2015-04-01 | 赵建国 | 双能x射线摄影方法及设备 |
CN103211607B (zh) * | 2013-04-28 | 2015-06-03 | 北京东方惠尔图像技术有限公司 | X光机及其控制方法和装置 |
CN104287750A (zh) * | 2013-07-16 | 2015-01-21 | 南京普爱射线影像设备有限公司 | 一种基于嵌入式软件的x射线机自动透视方法和装置 |
CN105528764B (zh) | 2015-12-01 | 2019-01-15 | 沈阳东软医疗系统有限公司 | 一种图像亮度调节方法、装置及设备 |
CN109965891A (zh) * | 2017-12-27 | 2019-07-05 | 康达洲际医疗器械有限公司 | Abs自动透视系统 |
CN108852397A (zh) * | 2018-08-01 | 2018-11-23 | 南京普爱医疗设备股份有限公司 | 一种用于x射线机的智能脉冲变频装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4171484A (en) * | 1977-08-03 | 1979-10-16 | Diagnostic Information | Automatic brightness control for direct view fluoroscopic imaging systems |
CN1364400A (zh) * | 1999-05-07 | 2002-08-14 | Oec医疗系统公司 | X射线成象系统中自动确定自动亮度系统采样窗口大小和位置的方法和装置 |
CN1498093A (zh) * | 2001-03-29 | 2004-05-19 | 株式会社东芝 | 诊断用x射线系统 |
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- 2009-12-30 CN CN 200910254611 patent/CN102113889B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4171484A (en) * | 1977-08-03 | 1979-10-16 | Diagnostic Information | Automatic brightness control for direct view fluoroscopic imaging systems |
CN1364400A (zh) * | 1999-05-07 | 2002-08-14 | Oec医疗系统公司 | X射线成象系统中自动确定自动亮度系统采样窗口大小和位置的方法和装置 |
CN1498093A (zh) * | 2001-03-29 | 2004-05-19 | 株式会社东芝 | 诊断用x射线系统 |
Non-Patent Citations (1)
Title |
---|
陈冰虹.透视图像亮度自动控制.《上海生物医学工程》.2007,第28卷(第2期),126-128页. * |
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