CN103976753B - Ct图像生成装置和ct图像生成方法 - Google Patents

Ct图像生成装置和ct图像生成方法 Download PDF

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Publication number
CN103976753B
CN103976753B CN201310050641.3A CN201310050641A CN103976753B CN 103976753 B CN103976753 B CN 103976753B CN 201310050641 A CN201310050641 A CN 201310050641A CN 103976753 B CN103976753 B CN 103976753B
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China
Prior art keywords
detector
projection
additional weight
data
video generation
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Expired - Fee Related
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CN201310050641.3A
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Chinese (zh)
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CN103976753A (zh
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盛兴东
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Hitachi Ltd
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Hitachi Ltd
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Priority to CN201310050641.3A priority Critical patent/CN103976753B/zh
Priority to JP2014560646A priority patent/JP6014174B2/ja
Priority to PCT/JP2013/082226 priority patent/WO2014122840A1/ja
Publication of CN103976753A publication Critical patent/CN103976753A/zh
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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
    • A61B6/5258—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
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201310050641.3A 2013-02-08 2013-02-08 Ct图像生成装置和ct图像生成方法 Expired - Fee Related CN103976753B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310050641.3A CN103976753B (zh) 2013-02-08 2013-02-08 Ct图像生成装置和ct图像生成方法
JP2014560646A JP6014174B2 (ja) 2013-02-08 2013-11-29 Ｃｔ画像生成装置およびｃｔ画像生成方法
PCT/JP2013/082226 WO2014122840A1 (ja) 2013-02-08 2013-11-29 Ｃｔ画像生成装置およびｃｔ画像生成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310050641.3A CN103976753B (zh) 2013-02-08 2013-02-08 Ct图像生成装置和ct图像生成方法

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CN103976753A CN103976753A (zh) 2014-08-13
CN103976753B true CN103976753B (zh) 2016-08-17

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CN201310050641.3A Expired - Fee Related CN103976753B (zh) 2013-02-08 2013-02-08 Ct图像生成装置和ct图像生成方法

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JP (1) JP6014174B2 (ja)
CN (1) CN103976753B (ja)
WO (1) WO2014122840A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683146B (zh) * 2017-01-11 2021-01-15 上海联影医疗科技股份有限公司 一种图像重建方法和图像重建算法的参数确定方法
WO2019041101A1 (en) * 2017-08-28 2019-03-07 Shenzhen United Imaging Healthcare Co., Ltd. SYSTEMS AND METHODS FOR DETERMINING ROTATION ANGLES
CN108492341B (zh) * 2018-02-05 2022-02-25 西安电子科技大学 一种基于像素顶点的平行束投影方法
TWI701533B (zh) * 2019-11-14 2020-08-11 緯創資通股份有限公司 控制方法以及電動助行器
CN116206007B (zh) * 2023-03-22 2023-09-29 北京朗视仪器股份有限公司 一种cbct图像截断伪影抑制方法

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US6137856A (en) * 1998-12-14 2000-10-24 General Electric Company Generic architectures for backprojection algorithm
US6724856B2 (en) * 2002-04-15 2004-04-20 General Electric Company Reprojection and backprojection methods and algorithms for implementation thereof
US8116426B2 (en) * 2008-11-11 2012-02-14 Kabushiki Kaisha Toshiba Computed tomography device and method using circular-pixel position-adaptive interpolation
JP5185881B2 (ja) * 2009-04-27 2013-04-17 株式会社日立製作所 画像再構成方法、ｘ線ｃｔ装置、及びプログラム
US8913805B2 (en) * 2010-08-30 2014-12-16 The Regents Of The University Of Michigan Three-dimensional forward and back projection methods
RU2589386C2 (ru) * 2010-11-25 2016-07-10 Конинклейке Филипс Электроникс Н.В. Устройство прямого проецирования
JP2012220422A (ja) * 2011-04-12 2012-11-12 Shimadzu Corp 断層像再構成方法およびｘ線ｃｔ装置
CN103310471B (zh) * 2012-03-09 2016-01-13 株式会社日立医疗器械 Ct图像生成装置及方法、ct图像生成系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
3D Forward and Back-Projection for X-Ray CT Using Separable Footprints;Yong Long 等;《IEEE Trans Med Imaging》;20101130;第29卷(第11期);全文 *

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Publication number Publication date
JPWO2014122840A1 (ja) 2017-01-26
CN103976753A (zh) 2014-08-13
WO2014122840A1 (ja) 2014-08-14
JP6014174B2 (ja) 2016-10-25

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Address after: Tokyo, Japan

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Applicant after: Hitachi, Ltd.

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Applicant before: Hitachi health and Manufacturing Co.,Ltd.

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Termination date: 20190208