CN1247155C - 优化的计算机x射线断层造影规程 - Google Patents
优化的计算机x射线断层造影规程 Download PDFInfo
- Publication number
- CN1247155C CN1247155C CN 00801121 CN00801121A CN1247155C CN 1247155 C CN1247155 C CN 1247155C CN 00801121 CN00801121 CN 00801121 CN 00801121 A CN00801121 A CN 00801121A CN 1247155 C CN1247155 C CN 1247155C
- Authority
- CN
- China
- Prior art keywords
- sweep time
- increased
- spatial resolution
- reduced
- computer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 33
- 238000002601 radiography Methods 0.000 claims description 24
- 238000003325 tomography Methods 0.000 claims description 18
- 238000003384 imaging method Methods 0.000 claims description 14
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 21
- 238000002591 computed tomography Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 9
- 241000700608 Sagitta Species 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000008128 pulmonary tuberculosis Diseases 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12939799P | 1999-04-15 | 1999-04-15 | |
US60/129397 | 1999-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1313736A CN1313736A (zh) | 2001-09-19 |
CN1247155C true CN1247155C (zh) | 2006-03-29 |
Family
ID=22439750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 00801121 Expired - Fee Related CN1247155C (zh) | 1999-04-15 | 2000-04-14 | 优化的计算机x射线断层造影规程 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4732592B2 (ja) |
CN (1) | CN1247155C (ja) |
AU (1) | AU4240500A (ja) |
DE (1) | DE10081368T1 (ja) |
WO (1) | WO2000062675A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4172753B2 (ja) * | 2002-04-03 | 2008-10-29 | 東芝医用システムエンジニアリング株式会社 | X線画像撮影装置 |
US7280631B2 (en) * | 2003-11-26 | 2007-10-09 | General Electric Company | Stationary computed tomography system and method |
WO2006090321A1 (en) * | 2005-02-23 | 2006-08-31 | Philips Intellectual Property & Standards Gmbh | Determination of the coverage of a ct scan |
US7512284B2 (en) * | 2005-03-29 | 2009-03-31 | General Electric Company | Volumetric image enhancement system and method |
US7245692B2 (en) * | 2005-04-25 | 2007-07-17 | The University Of North Carolina At Chapel Hill | X-ray imaging systems and methods using temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously |
JP5389443B2 (ja) * | 2005-10-19 | 2014-01-15 | コーニンクレッカ フィリップス エヌ ヴェ | X線検査装置 |
JP2007135658A (ja) * | 2005-11-15 | 2007-06-07 | Ge Medical Systems Global Technology Co Llc | X線ct装置およびx線ct透視装置 |
US8045776B2 (en) * | 2007-03-06 | 2011-10-25 | General Electric Company | Geometry-dependent filtering in CT method and apparatus |
KR101642425B1 (ko) * | 2014-10-28 | 2016-07-25 | 삼성전자주식회사 | 방사선 촬영 장치 및 방사선 촬영 장치의 제어 방법 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61143041A (ja) * | 1984-11-27 | 1986-06-30 | 横河メディカルシステム株式会社 | X線ct装置 |
JPS628740A (ja) * | 1985-07-04 | 1987-01-16 | 株式会社東芝 | 断層検査装置 |
JPS6429788A (en) * | 1987-07-24 | 1989-01-31 | Toshiba Corp | Radiation detector |
JPS6443236A (en) * | 1987-08-12 | 1989-02-15 | Toshiba Corp | Ct scanner |
JPS6449994A (en) * | 1987-08-20 | 1989-02-27 | Toshiba Corp | Radiation detector |
US5485493A (en) * | 1988-10-20 | 1996-01-16 | Picker International, Inc. | Multiple detector ring spiral scanner with relatively adjustable helical paths |
US5142286A (en) * | 1990-10-01 | 1992-08-25 | General Electric Company | Read-out photodiodes using sigma-delta oversampled analog-to-digital converters |
JPH06233757A (ja) * | 1993-02-12 | 1994-08-23 | Hitachi Ltd | 3次元撮影装置 |
JPH0779965A (ja) * | 1993-09-17 | 1995-03-28 | Toshiba Corp | X線ct装置 |
US5430784A (en) * | 1994-02-28 | 1995-07-04 | General Electric Company | Computerized tomography imaging using multi-slice detector with selectable slice thickness |
JPH07313503A (ja) * | 1994-05-26 | 1995-12-05 | Hitachi Medical Corp | X線ct装置 |
US6047040A (en) * | 1994-07-29 | 2000-04-04 | Hu; Hui | Detector signal integration in volumetric CT scanner detector arrays |
JPH08299321A (ja) * | 1995-04-27 | 1996-11-19 | Shimadzu Corp | X線ct装置 |
JPH09308627A (ja) * | 1996-05-23 | 1997-12-02 | Ge Yokogawa Medical Syst Ltd | 画像撮像方法および装置 |
JPH09313478A (ja) * | 1996-06-03 | 1997-12-09 | Ge Yokogawa Medical Syst Ltd | 画像再構成方法及び放射線ct装置 |
US5802134A (en) * | 1997-04-09 | 1998-09-01 | Analogic Corporation | Nutating slice CT image reconstruction apparatus and method |
JPH10314162A (ja) * | 1997-05-15 | 1998-12-02 | Ge Yokogawa Medical Syst Ltd | 放射線断層撮影方法および装置 |
-
2000
- 2000-04-14 WO PCT/US2000/009994 patent/WO2000062675A1/en active Application Filing
- 2000-04-14 CN CN 00801121 patent/CN1247155C/zh not_active Expired - Fee Related
- 2000-04-14 AU AU42405/00A patent/AU4240500A/en not_active Abandoned
- 2000-04-14 DE DE10081368T patent/DE10081368T1/de not_active Withdrawn
- 2000-04-14 JP JP2000611815A patent/JP4732592B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1313736A (zh) | 2001-09-19 |
JP4732592B2 (ja) | 2011-07-27 |
JP2002541897A (ja) | 2002-12-10 |
AU4240500A (en) | 2000-11-02 |
DE10081368T1 (de) | 2001-06-28 |
WO2000062675A1 (en) | 2000-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1230123C (zh) | X-射线ct装置 | |
US6141398A (en) | Protocol driven image reconstruction, display, and processing in a multislice imaging system | |
CN1236731C (zh) | 计算机断层摄像装置 | |
CN1150490C (zh) | 计算机x-射线断层成像***中用于扫描物体和显示图像的方法和设备 | |
US7639774B2 (en) | Method and apparatus for employing multiple axial-sources | |
EP1324699B1 (en) | Cardiac helical half scan reconstructions for multiple detector row ct | |
US7349520B2 (en) | X-ray CT scanner and image-data generating method | |
CN1663533A (zh) | X射线计算机断层摄影***和x射线装置 | |
US5864598A (en) | Methods and apparatus for scanning an object in a computed tomography system | |
US20080008372A1 (en) | A method and system for reducing artifacts in a tomosynthesis imaging system | |
CN1247155C (zh) | 优化的计算机x射线断层造影规程 | |
CN1647768A (zh) | 用焦点探测器组合产生周期运动物体断层造影图像的方法 | |
US20040146137A1 (en) | Method for computer tomography and computer tomography device for carrying out the method | |
CN1294879C (zh) | X射线计算层析摄影的装置和方法 | |
CN1298286C (zh) | 计算机x射线断层造影设备 | |
JP2009279289A (ja) | X線ct装置 | |
JP3748305B2 (ja) | X線ct装置及び画像処理装置 | |
US7046759B2 (en) | Method and system for imaging a volume using a three-dimensional spiral scan trajectory | |
CN1143243C (zh) | 对检查区用螺旋线形状扫描的计算机层面x射线照相方法 | |
JPH09192126A (ja) | 画像再構成処理装置 | |
JP2000083948A (ja) | 断層写真画像を作る装置と方法 | |
CN1723853A (zh) | X射线探测器和具有x射线探测器的计算机断层造影设备 | |
US6091797A (en) | Methods and apparatus for generating a scout image | |
KR100733267B1 (ko) | 복수 위치의 ct 화상 생성 방법 및 x선 ct 장치 | |
CN1216573C (zh) | 辐射线断层摄影法和装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 Termination date: 20150414 |
|
EXPY | Termination of patent right or utility model |