KR100329932B1 - 단층사진 촬영 시스템의 중심축 보정방법 - Google Patents
단층사진 촬영 시스템의 중심축 보정방법 Download PDFInfo
- Publication number
- KR100329932B1 KR100329932B1 KR1019980026713A KR19980026713A KR100329932B1 KR 100329932 B1 KR100329932 B1 KR 100329932B1 KR 1019980026713 A KR1019980026713 A KR 1019980026713A KR 19980026713 A KR19980026713 A KR 19980026713A KR 100329932 B1 KR100329932 B1 KR 100329932B1
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- South Korea
- Prior art keywords
- center
- image
- reference plane
- xyz table
- ray
- Prior art date
Links
- 238000003325 tomography Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012937 correction Methods 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 abstract description 7
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pulmonology (AREA)
- Radiology & Medical Imaging (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Description
Claims (4)
- a) 제 1 기준면상에 위치한 XYZ 테이블의 물체와 영상 증배관의 중심을 XYZ 테이블을 X,Y 방향으로 이동시키면서 카메라 영상 상에서 그 위치를 일치시키는 단계;b) 상기 XYZ 테이블상의 물체를 제 2 기준면의 위치로 이동시킨 후, 이 XYZ 테이블상의 물체와 영상 증배관의 중심을 추출하는 단계;c) 상기 b) 단계에서 추출된 영상 증배관의 중심과 X선 조사기의 중심이 일치하도록 상기 X선 조사기를 X,Y 방향으로 스티어링 하는 단계; 및d) 상기 제 1 기준면에서의 XYZ 테이블 이동과, 상기 제 2 기준면에서의 X선 조사기 스티어링을 반복적으로 실시하여 X선 조사기의 중심과 영상 증배관의 중심을 일치시키는 단계를 포함하는 것을 특징으로 하는 단층사진 촬영 시스템의 중심축 보정방법.
- 제 1 항에 있어서, 상기 a) 단계에서 XYZ 테이블의 물체와 영상 증배관의 중심을 일치시키는 단계는 영상에서 벌브 추출을 통하여 위치를 센싱하고, XYZ 테이블을 이동시켜 벌브 센터가 일치하도록 하는 것을 특징으로 하는 단층사진 촬영 시스템의 중심축 보정방법.
- 제 1 항에 있어서, 상기 b) 단계에서 XYZ 테이블을 Z축 방향으로 이동시켜 제 1 기준면의 물체를 제 2 기준면으로 이동시키는 것을 특징으로 하는 단층사진 촬영 시스템의 중심축 보정방법.
- 제 1 항에 있어서, 상기 b) 단계에서 영상 증배관을 Z축 방향으로 이동시켜 제 1 기준면의 물체를 제 2 기준면으로 이동시키는 것을 특징으로 하는 단층사진 촬영 시스템의 중심축 보정방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026713A KR100329932B1 (ko) | 1998-07-03 | 1998-07-03 | 단층사진 촬영 시스템의 중심축 보정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026713A KR100329932B1 (ko) | 1998-07-03 | 1998-07-03 | 단층사진 촬영 시스템의 중심축 보정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000007401A KR20000007401A (ko) | 2000-02-07 |
KR100329932B1 true KR100329932B1 (ko) | 2002-05-09 |
Family
ID=19542925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980026713A KR100329932B1 (ko) | 1998-07-03 | 1998-07-03 | 단층사진 촬영 시스템의 중심축 보정방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100329932B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5299250A (en) * | 1992-03-05 | 1994-03-29 | Siemens Aktiengesellschaft | Computer tomography apparatus with compensation for focus migration by adjustment of diaphragm position |
JPH06216587A (ja) * | 1993-01-13 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 電子部品実装機 |
JPH0862159A (ja) * | 1994-08-25 | 1996-03-08 | Hitachi Ltd | 断層撮影装置 |
JPH09173330A (ja) * | 1995-12-22 | 1997-07-08 | Hitachi Medical Corp | X線断層撮影装置 |
-
1998
- 1998-07-03 KR KR1019980026713A patent/KR100329932B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5299250A (en) * | 1992-03-05 | 1994-03-29 | Siemens Aktiengesellschaft | Computer tomography apparatus with compensation for focus migration by adjustment of diaphragm position |
JPH06216587A (ja) * | 1993-01-13 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 電子部品実装機 |
JPH0862159A (ja) * | 1994-08-25 | 1996-03-08 | Hitachi Ltd | 断層撮影装置 |
JPH09173330A (ja) * | 1995-12-22 | 1997-07-08 | Hitachi Medical Corp | X線断層撮影装置 |
Also Published As
Publication number | Publication date |
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KR20000007401A (ko) | 2000-02-07 |
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