CN104039232B - X射线ct装置及图像重构方法 - Google Patents

X射线ct装置及图像重构方法 Download PDF

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Publication number
CN104039232B
CN104039232B CN201380005061.0A CN201380005061A CN104039232B CN 104039232 B CN104039232 B CN 104039232B CN 201380005061 A CN201380005061 A CN 201380005061A CN 104039232 B CN104039232 B CN 104039232B
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ray
phase width
arithmetic unit
pixel
projection
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Chinese (zh)
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CN104039232A (zh
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后藤大雅
高桥悠
广川浩
广川浩一
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Fujifilm Corp
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Hitachi Ltd
Hitachi Medical Corp
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    • 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

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  • 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)
CN201380005061.0A 2012-04-24 2013-03-18 X射线ct装置及图像重构方法 Active CN104039232B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012098374 2012-04-24
JP2012-098374 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 (2)

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CN104039232A CN104039232A (zh) 2014-09-10
CN104039232B true CN104039232B (zh) 2016-09-28

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CN201380005061.0A Active CN104039232B (zh) 2012-04-24 2013-03-18 X射线ct装置及图像重构方法

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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

Citations (6)

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Publication number Priority date Publication date Assignee Title
JPH119582A (ja) * 1997-06-23 1999-01-19 Toshiba Corp Ｘ線コンピュータ断層撮影装置
JP2004337391A (ja) * 2003-05-16 2004-12-02 Hitachi Medical Corp Ｘ線ｃｔ装置
CN1572253A (zh) * 2003-06-16 2005-02-02 株式会社东芝 锥面射束重建设备以及计算机断层摄影设备
CN1688254A (zh) * 2002-10-18 2005-10-26 株式会社日立医药 X线断层摄影装置
CN1917811A (zh) * 2004-02-16 2007-02-21 株式会社日立医药 断层摄影图象的再构成方法及断层摄影装置
JP2007185358A (ja) * 2006-01-13 2007-07-26 Hitachi Medical Corp Ｘ線ｃｔ装置

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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
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
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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH119582A (ja) * 1997-06-23 1999-01-19 Toshiba Corp Ｘ線コンピュータ断層撮影装置
CN1688254A (zh) * 2002-10-18 2005-10-26 株式会社日立医药 X线断层摄影装置
JP2004337391A (ja) * 2003-05-16 2004-12-02 Hitachi Medical Corp Ｘ線ｃｔ装置
CN1572253A (zh) * 2003-06-16 2005-02-02 株式会社东芝 锥面射束重建设备以及计算机断层摄影设备
CN1917811A (zh) * 2004-02-16 2007-02-21 株式会社日立医药 断层摄影图象的再构成方法及断层摄影装置
JP2007185358A (ja) * 2006-01-13 2007-07-26 Hitachi Medical Corp Ｘ線ｃｔ装置

Non-Patent Citations (1)

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Optimal short scan convolution reconstruction for fan beam CT;Dennis L. Parker;《Medical Physics》;19820430;254-257 *

Also Published As

Publication number Publication date
JPWO2013161443A1 (ja) 2015-12-24
US9406121B2 (en) 2016-08-02
US20150093003A1 (en) 2015-04-02
IN2014DN05824A (https=) 2015-05-15
WO2013161443A1 (ja) 2013-10-31
JP6181045B2 (ja) 2017-08-16
CN104039232A (zh) 2014-09-10

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