IN2014DN05824A - - Google Patents

Info

Publication number
IN2014DN05824A
IN2014DN05824A IN5824DEN2014A IN2014DN05824A IN 2014DN05824 A IN2014DN05824 A IN 2014DN05824A IN 5824DEN2014 A IN5824DEN2014 A IN 5824DEN2014A IN 2014DN05824 A IN2014DN05824 A IN 2014DN05824A
Authority
IN
India
Prior art keywords
reconstructed
pixel
back projection
computes
projection phase
Prior art date
Application number
Other languages
English (en)
Inventor
GOTOTaiga
TAKAHASHIHisashi
Hirokawakoichi
Original Assignee
Hitachi Medical Corp
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 by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Publication of IN2014DN05824A publication Critical patent/IN2014DN05824A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • 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]
    • 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
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Image Processing (AREA)
IN5824DEN2014 2012-04-24 2013-03-18 IN2014DN05824A (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012098374 2012-04-24
PCT/JP2013/057583 WO2013161443A1 (ja) 2012-04-24 2013-03-18 Ｘ線cｔ装置及び画像再構成方法

Publications (1)

Publication Number Publication Date
IN2014DN05824A true IN2014DN05824A (https=) 2015-05-15

Family

ID=49482780

Family Applications (1)

Application Number Title Priority Date Filing Date
IN5824DEN2014 IN2014DN05824A (https=) 2012-04-24 2013-03-18

Country Status (5)

Country Link
US (1) US9406121B2 (https=)
JP (1) JP6181045B2 (https=)
CN (1) CN104039232B (https=)
IN (1) IN2014DN05824A (https=)
WO (1) WO2013161443A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6571313B2 (ja) * 2013-05-28 2019-09-04 キヤノンメディカルシステムズ株式会社 医用画像診断装置及び制御方法
GB2532077B (en) * 2014-11-10 2017-11-22 Vision Rt Ltd Method of calibrating a patient monitoring system for use with a radiotherapy treatment apparatus
US10398392B2 (en) 2015-02-12 2019-09-03 Hitachi, Ltd. X-ray CT apparatus, image processing device and image reconstruction method
CN105934066B (zh) * 2016-07-01 2018-01-30 中国工程物理研究院流体物理研究所 一种粒子束加速器
JP6858259B2 (ja) * 2016-12-21 2021-04-14 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ショートスキャン偏心検出器ｘ線トモグラフィのための冗長重み付け
CN109171790B (zh) * 2018-09-26 2022-03-15 东软医疗系统股份有限公司 一种ct扫描数据的处理方法、装置及ct机
JP7605503B2 (ja) * 2019-10-11 2024-12-24 ボード オブ リージェンツ，ザ ユニバーシティ オブ テキサス システム 複合材のための可変ズームｘ線コンピュータ断層撮影方法
CN111449670B (zh) * 2020-05-07 2022-12-30 南京安科医疗科技有限公司 一种移动ct系统的步进成像方法
KR102611061B1 (ko) * 2022-05-02 2023-12-07 재단법인 아산사회복지재단 혈관 영상의 캘리브레이션 방법 및 장치
US12396697B2 (en) 2022-05-02 2025-08-26 Medipixel, Inc. Blood vessel image calibration method and device
WO2024193816A1 (en) * 2023-03-21 2024-09-26 medPhoton GmbH Image reconstruction method for a medical system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3788846B2 (ja) * 1997-06-23 2006-06-21 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP2003522576A (ja) * 2000-02-18 2003-07-29 ウィリアム・ボーモント・ホスピタル 平坦なパネル画像装置を有するコーンビームコンピュータ断層撮像装置
JP4360817B2 (ja) 2002-10-18 2009-11-11 株式会社日立メディコ 放射線断層撮影装置
JP2004337391A (ja) * 2003-05-16 2004-12-02 Hitachi Medical Corp Ｘ線ｃｔ装置
US6917663B2 (en) * 2003-06-16 2005-07-12 Kabushiki Kaisha Toshiba Cone-beam reconstruction apparatus and computed tomography apparatus
WO2005077278A1 (ja) * 2004-02-16 2005-08-25 Hitachi Medical Corporation 断層撮影像の再構成方法及び断層撮影装置
JP2007044207A (ja) * 2005-08-09 2007-02-22 Ge Medical Systems Global Technology Co Llc 放射線ｃｔ撮影方法およびｘ線ｃｔ装置
JP4920256B2 (ja) 2006-01-13 2012-04-18 株式会社日立メディコ Ｘ線ｃｔ装置
JP2008006032A (ja) * 2006-06-29 2008-01-17 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ撮影方法
DE102008053108A1 (de) * 2008-06-27 2009-12-31 Siemens Aktiengesellschaft Verfahren zur Rekonstruktion von CT-Bilddaten
US7933377B2 (en) * 2009-06-03 2011-04-26 General Electric Company Method of CT perfusion imaging and apparatus for implementing same
CN103501702B (zh) * 2011-04-28 2015-09-02 株式会社日立医疗器械 医用图像处理装置、医用图像处理方法

Also Published As

Publication number Publication date
JPWO2013161443A1 (ja) 2015-12-24
US9406121B2 (en) 2016-08-02
US20150093003A1 (en) 2015-04-02
WO2013161443A1 (ja) 2013-10-31
CN104039232B (zh) 2016-09-28
JP6181045B2 (ja) 2017-08-16
CN104039232A (zh) 2014-09-10

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