KR100397553B1 - 경사진 연속 단면영상의 볼륨데이터 생성방법 - Google Patents
경사진 연속 단면영상의 볼륨데이터 생성방법 Download PDFInfo
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- KR100397553B1 KR100397553B1 KR10-2002-0034478A KR20020034478A KR100397553B1 KR 100397553 B1 KR100397553 B1 KR 100397553B1 KR 20020034478 A KR20020034478 A KR 20020034478A KR 100397553 B1 KR100397553 B1 KR 100397553B1
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000012952 Resampling Methods 0.000 claims description 6
- 238000002595 magnetic resonance imaging Methods 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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- 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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
- A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- 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
- A61B6/025—Tomosynthesis
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- 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
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/08—Volume rendering
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10088—Magnetic resonance imaging [MRI]
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Pulmonology (AREA)
- Computer Graphics (AREA)
- General Physics & Mathematics (AREA)
- Image Processing (AREA)
- Image Generation (AREA)
Abstract
Description
Claims (3)
- 이차원의 연속 단면영상을 하나의 볼륨데이터로 재구성하여 삼차원으로 가시화하는 방법에 있어서;각도()만큼 기울여 얻어진 상기 연속 단면영상 간의 물리적 상대 위치를 그대로 유지시키고, 이를 모두 포함하는 연속 단면영상의 개수 만큼의 슬라이스(slice)로 이루어진 직육면체를 이루는 각 복셀 위치에서 단면영상을 1차원 재표본화(resampling)하여, 이를만큼 회전된 직육면체 모양의 볼륨데이터에 저장함을 특징으로 하는 경사진 연속 단면영상의 볼륨데이터 생성방법.
- 청구항 1에 있어서, 수직()방향의 복셀수를, 수평()방향의 복셀수를, 상기 슬라이스 수를라고 할 때, 상기 연속 단면영상을크기를 갖는 볼륨데이터에 저장하는 방법은,수평()방향의 복셀수()를 계산하는 복셀수계산단계와,상기를 이용하여, 크기의 메모리를 할당하는 메모리할당단계와,각 슬라이스 영상마다 수학식 6에 의해 옵셋를 구하고, 해당 슬라이스 영상을방향으로 이 옵셋()만큼 이동시킴으로써 일차원 보간해서 볼륨데이터를 얻는 일차원보간단계로 구성됨을 특징으로 하는 경사진 연속 단면영상의 볼륨데이터 생성방법.(는 슬라이스갭,은 연속 단면영상의 수,는 영상단면의 기울어진 각도)
- 청구항 2에 있어서, 상기는 수학식 7에 의해 계산됨을 특징으로 하는 경사진 연속 단면영상의 볼륨데이터 생성방법.(는방향의 픽셀수,는방향의 픽셀간격,는방향의 복셀간격)
Priority Applications (1)
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KR10-2002-0034478A KR100397553B1 (ko) | 2002-06-20 | 2002-06-20 | 경사진 연속 단면영상의 볼륨데이터 생성방법 |
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KR10-2002-0034478A KR100397553B1 (ko) | 2002-06-20 | 2002-06-20 | 경사진 연속 단면영상의 볼륨데이터 생성방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030016157A KR20030016157A (ko) | 2003-02-26 |
KR100397553B1 true KR100397553B1 (ko) | 2003-09-13 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5722408A (en) * | 1995-11-07 | 1998-03-03 | Siemens Aktiengesellschaft | Method for image generation in an imaging system of medical technology |
KR19980026478A (ko) * | 1996-10-09 | 1998-07-15 | 김광호 | 이득 조절 기능을 가진 양자화된 평균-매칭 히스토그램 등화를 이용한 화질 개선방법 및 그 회로 |
JPH11128224A (ja) * | 1997-10-28 | 1999-05-18 | Mitsubishi Heavy Ind Ltd | 超音波3次元画像再構成装置 |
US6148056A (en) * | 1999-02-22 | 2000-11-14 | General Electric Company | Efficient cone-beam reconstruction system using circle-and-line orbit data |
US6233308B1 (en) * | 1999-03-19 | 2001-05-15 | General Electric Company | Methods and apparatus for artifact compensation with variable angular sampling |
US6236708B1 (en) * | 1998-11-25 | 2001-05-22 | Picker International, Inc. | 2D and 3D tomographic X-ray imaging using flat panel detectors |
KR20020057527A (ko) * | 2001-01-05 | 2002-07-11 | 엘지전자 주식회사 | 영상 보간 방법 및 장치 |
-
2002
- 2002-06-20 KR KR10-2002-0034478A patent/KR100397553B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5722408A (en) * | 1995-11-07 | 1998-03-03 | Siemens Aktiengesellschaft | Method for image generation in an imaging system of medical technology |
KR19980026478A (ko) * | 1996-10-09 | 1998-07-15 | 김광호 | 이득 조절 기능을 가진 양자화된 평균-매칭 히스토그램 등화를 이용한 화질 개선방법 및 그 회로 |
JPH11128224A (ja) * | 1997-10-28 | 1999-05-18 | Mitsubishi Heavy Ind Ltd | 超音波3次元画像再構成装置 |
US6236708B1 (en) * | 1998-11-25 | 2001-05-22 | Picker International, Inc. | 2D and 3D tomographic X-ray imaging using flat panel detectors |
US6148056A (en) * | 1999-02-22 | 2000-11-14 | General Electric Company | Efficient cone-beam reconstruction system using circle-and-line orbit data |
US6233308B1 (en) * | 1999-03-19 | 2001-05-15 | General Electric Company | Methods and apparatus for artifact compensation with variable angular sampling |
KR20020057527A (ko) * | 2001-01-05 | 2002-07-11 | 엘지전자 주식회사 | 영상 보간 방법 및 장치 |
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