BR0000899B1 - mÉtodo e aparelho de reconstruir imagens tomogrÁficas de raios x. - Google Patents

mÉtodo e aparelho de reconstruir imagens tomogrÁficas de raios x.

Info

Publication number
BR0000899B1
BR0000899B1 BR0000899A BR0000899A BR0000899B1 BR 0000899 B1 BR0000899 B1 BR 0000899B1 BR 0000899 A BR0000899 A BR 0000899A BR 0000899 A BR0000899 A BR 0000899A BR 0000899 B1 BR0000899 B1 BR 0000899B1
Authority
BR
Brazil
Prior art keywords
reconstructing
tomographic images
ray tomographic
ray
images
Prior art date
Application number
BR0000899A
Other languages
English (en)
Other versions
BR0000899A (pt
Inventor
Wen-Tai Lin
Mehmet Yavuz
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR0000899A publication Critical patent/BR0000899A/pt
Publication of BR0000899B1 publication Critical patent/BR0000899B1/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • 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
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Optimization (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Algebra (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mathematical Analysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
BR0000899A 1999-02-22 2000-02-22 mÉtodo e aparelho de reconstruir imagens tomogrÁficas de raios x. BR0000899B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/253,706 US6148056A (en) 1999-02-22 1999-02-22 Efficient cone-beam reconstruction system using circle-and-line orbit data

Publications (2)

Publication Number Publication Date
BR0000899A BR0000899A (pt) 2000-09-26
BR0000899B1 true BR0000899B1 (pt) 2013-06-11

Family

ID=22961381

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0000899A BR0000899B1 (pt) 1999-02-22 2000-02-22 mÉtodo e aparelho de reconstruir imagens tomogrÁficas de raios x.

Country Status (9)

Country Link
US (1) US6148056A (pt)
EP (1) EP1031943B1 (pt)
JP (1) JP4519974B2 (pt)
BR (1) BR0000899B1 (pt)
DE (1) DE60030498T2 (pt)
IL (1) IL134542A (pt)
PL (1) PL196564B1 (pt)
SG (1) SG82067A1 (pt)
TR (1) TR200000471A3 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014668A1 (de) * 1999-02-22 2001-10-04 Gen Electric Computertomographierekonstruktion unter Verwendung einer Schattenzonenausbesserung
US6263008B1 (en) * 1999-08-16 2001-07-17 Analogic Corporation Over-sampling detector array and re-sampling technique for a cone-beam computed tomography system
KR100502409B1 (ko) * 2000-03-23 2005-07-19 광주과학기술원 2차원의 고해상도 영상 획득 방법 및 장치
US6546067B2 (en) * 2001-01-30 2003-04-08 Kabushiki Kaisha Toshiba Reconstruction and scan of 4D-CT
US7305061B2 (en) * 2001-08-16 2007-12-04 Research Foundation Of The University Of Central Florida Efficient image reconstruction algorithm for the circle and arc cone beam computer tomography
US7280632B2 (en) * 2001-08-16 2007-10-09 University Of Central Florida Research Foundation, Inc. Exact filtered back projection (FBP) algorithm for spiral computer tomography with variable pitch
US6560308B1 (en) * 2001-10-26 2003-05-06 Kabushiki Kaisha Toshiba Method and system for approximating missing data in cone beam x-ray CT reconstruction
KR100397553B1 (ko) * 2002-06-20 2003-09-13 (주)메비시스 경사진 연속 단면영상의 볼륨데이터 생성방법
JP4644195B2 (ja) 2003-08-04 2011-03-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 球体上への冠状動脈のマッピング
US6999550B2 (en) * 2004-02-09 2006-02-14 Ge Medical Systems Global Technology Method and apparatus for obtaining data for reconstructing images of an object
JP2007151806A (ja) * 2005-12-05 2007-06-21 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ撮像方法およびｘ線ｃｔ装置
US7929747B2 (en) * 2006-04-25 2011-04-19 Wisconsin Alumni Research Foundation System and method for estimating data missing from CT imaging projections
US8897528B2 (en) 2006-06-26 2014-11-25 General Electric Company System and method for iterative image reconstruction
US8396274B2 (en) * 2006-08-31 2013-03-12 Koninklijke Philips Electronics N.V. Imaging system
US8270559B2 (en) * 2006-11-24 2012-09-18 Kabushiki Kaisha Toshiba Method and system for tomographic reconstruction in medical imaging using the circle and line trajectory
US7848479B1 (en) 2007-06-29 2010-12-07 University Of Central Florida Research Foundation, Inc. Image reconstruction for a general circle-plus trajectory
US8160199B2 (en) * 2007-10-12 2012-04-17 Siemens Medical Solutions Usa, Inc. System for 3-dimensional medical image data acquisition
CN101861530A (zh) * 2007-11-19 2010-10-13 皇家飞利浦电子股份有限公司 用于确定感兴趣区域的图像的成像装置、成像方法和计算机程序
DE102010026374A1 (de) * 2010-07-07 2012-01-12 Siemens Aktiengesellschaft Verfahren zur Rekonstruktion eines dreidimensionalen Bilddatensatzes und Röntgeneinrichtung
US8615121B2 (en) 2011-05-31 2013-12-24 General Electric Company Reconstruction of projection data to generate tomographic images having improved frequency characteristics
US8861829B2 (en) 2011-09-30 2014-10-14 General Electric Company Method and system for reconstruction of tomographic images
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
US9008363B1 (en) 2013-01-02 2015-04-14 Google Inc. System and method for computing optical flow
CN103278514B (zh) * 2013-05-02 2015-05-20 浙江大学 一种水果内部品质的检测模型的建模方法
US10235763B2 (en) 2016-12-01 2019-03-19 Google Llc Determining optical flow

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670039B1 (fr) * 1990-11-29 1993-12-24 Commissariat A Energie Atomique Procede et dispositif de reconstruction d'images tridimentionnelles d'un objet en utilisant deux trajectoires circulaires d'acquisition.
US5706325A (en) * 1996-12-05 1998-01-06 General Electric Company Exact regional reconstruction of longitudinally-unbounded objects using a circle-and-line cone beam tomographic system

Also Published As

Publication number Publication date
DE60030498T2 (de) 2008-04-17
TR200000471A2 (tr) 2000-09-21
SG82067A1 (en) 2001-07-24
BR0000899A (pt) 2000-09-26
IL134542A0 (en) 2001-04-30
US6148056A (en) 2000-11-14
PL338536A1 (en) 2000-08-28
EP1031943A3 (en) 2004-03-31
TR200000471A3 (tr) 2000-09-21
IL134542A (en) 2003-11-23
DE60030498D1 (de) 2006-10-19
PL196564B1 (pl) 2008-01-31
EP1031943A2 (en) 2000-08-30
EP1031943B1 (en) 2006-09-06
JP4519974B2 (ja) 2010-08-04
JP2000237183A (ja) 2000-09-05

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/06/2013, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 22A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2658 DE 14-12-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.