FI131860B1 - Self-calibrating medical imaging device - Google Patents

Self-calibrating medical imaging device

Info

Publication number
FI131860B1
FI131860B1 FI20175244A FI20175244A FI131860B1 FI 131860 B1 FI131860 B1 FI 131860B1 FI 20175244 A FI20175244 A FI 20175244A FI 20175244 A FI20175244 A FI 20175244A FI 131860 B1 FI131860 B1 FI 131860B1
Authority
FI
Finland
Prior art keywords
ray
projection
projection exposure
image
estimate
Prior art date
Application number
FI20175244A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20175244A1 (fi
FI20175244L (fi
Inventor
Mikko Lilja
Kalle Karhu
Jaakko Lähelmä
Kustaa Nyholm
Ari Hietanen
Sakari Kettunen
Timo Müller
Original Assignee
Planmeca Oy
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
Priority to FI20175244A priority Critical patent/FI131860B1/en
Application filed by Planmeca Oy filed Critical Planmeca Oy
Priority to KR1020197030330A priority patent/KR102369653B1/ko
Priority to JP2019551297A priority patent/JP7116078B2/ja
Priority to BR112019019206-9A priority patent/BR112019019206B1/pt
Priority to PCT/FI2018/000005 priority patent/WO2018167355A1/en
Priority to CN201880028718.8A priority patent/CN110602990B/zh
Priority to US15/925,667 priority patent/US10636179B2/en
Priority to RU2019131095A priority patent/RU2766743C1/ru
Priority to EP18723569.2A priority patent/EP3595528B1/en
Publication of FI20175244A1 publication Critical patent/FI20175244A1/fi
Publication of FI20175244L publication Critical patent/FI20175244L/fi
Application granted granted Critical
Publication of FI131860B1 publication Critical patent/FI131860B1/en

Links

Classifications

    • 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]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact correction
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/466—Displaying means of special interest adapted to display 3D data
    • 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
    • A61B6/5264—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
    • 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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G06T2207/10124—Digitally reconstructed radiograph [DRR]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
FI20175244A 2017-03-17 2017-03-17 Self-calibrating medical imaging device FI131860B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI20175244A FI131860B1 (en) 2017-03-17 2017-03-17 Self-calibrating medical imaging device
JP2019551297A JP7116078B2 (ja) 2017-03-17 2018-03-19 コーンビーム型コンピュータ断層撮影における患者の動き補正方法
BR112019019206-9A BR112019019206B1 (pt) 2017-03-17 2018-03-19 Método de correção de movimento de paciente para tomografia computadorizada de feixe cônico, meio de armazenamento legível por computador, e, aparelho
PCT/FI2018/000005 WO2018167355A1 (en) 2017-03-17 2018-03-19 Patient movement correction method for cone-beam computed tomography
KR1020197030330A KR102369653B1 (ko) 2017-03-17 2018-03-19 콘-빔 컴퓨터 단층촬영을 위한 환자 움직임 정정 방법
CN201880028718.8A CN110602990B (zh) 2017-03-17 2018-03-19 用于锥形束计算机断层扫描的患者移动校正方法
US15/925,667 US10636179B2 (en) 2017-03-17 2018-03-19 Patient movement correction method for cone-beam computed tomography
RU2019131095A RU2766743C1 (ru) 2017-03-17 2018-03-19 Способ коррекции перемещения пациента для конусно-лучевой компьютерной томографии
EP18723569.2A EP3595528B1 (en) 2017-03-17 2018-03-19 Patient movement correction for cone-beam computed tomography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175244A FI131860B1 (en) 2017-03-17 2017-03-17 Self-calibrating medical imaging device

Publications (3)

Publication Number Publication Date
FI20175244A1 FI20175244A1 (fi) 2018-09-18
FI20175244L FI20175244L (fi) 2018-09-18
FI131860B1 true FI131860B1 (en) 2026-01-13

Family

ID=62143215

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20175244A FI131860B1 (en) 2017-03-17 2017-03-17 Self-calibrating medical imaging device

Country Status (8)

Country Link
US (1) US10636179B2 (https=)
EP (1) EP3595528B1 (https=)
JP (1) JP7116078B2 (https=)
KR (1) KR102369653B1 (https=)
CN (1) CN110602990B (https=)
FI (1) FI131860B1 (https=)
RU (1) RU2766743C1 (https=)
WO (1) WO2018167355A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3639752B1 (en) 2018-10-03 2025-05-21 Canon Medical Systems Corporation Analyzing apparatus and analyzing program
CN110766629B (zh) * 2019-10-17 2022-03-01 广州华端科技有限公司 Cbct系统几何校正方法、装置、计算机设备和存储介质
CN111553849B (zh) * 2020-03-28 2023-03-24 中国人民解放军战略支援部队信息工程大学 基于局部特征匹配的锥束ct几何伪影去除方法及装置
CN113520421A (zh) * 2020-05-06 2021-10-22 北京友通上昊科技有限公司 X射线切面成像方法、存储介质及成像系统
CN112529820B (zh) * 2020-12-29 2024-06-14 广州开云影像科技有限公司 Cbct系统半扇束几何校正方法、装置、设备和介质
CN112837246A (zh) * 2021-03-25 2021-05-25 中科超精(南京)科技有限公司 一种图像引导系统几何校正方法
US11712215B2 (en) 2021-04-13 2023-08-01 Canon Medical Systems Corporation Devices, systems, and methods for motion-corrected medical imaging
JP7563304B2 (ja) * 2021-06-16 2024-10-08 トヨタ自動車株式会社 Ｘ線ｃｔ装置及び画像生成方法
EP4120182B1 (de) * 2021-07-12 2025-08-27 DENTSPLY SIRONA Inc. Selbstkalibrierendes dentales dvt unterstützt durch maschinelles lernen
CN113963056B (zh) * 2021-09-07 2022-08-26 于留青 Ct图像重建方法、装置、电子设备以及存储介质
DE102022200806A1 (de) * 2022-01-25 2023-07-27 Siemens Healthcare Gmbh Bereitstellen eines Ergebnisdatensatzes
CN114612569A (zh) * 2022-02-23 2022-06-10 广州华端科技有限公司 一种几何标定中标记物重叠的处理方法与装置
CN116894798B (zh) * 2023-09-11 2023-12-05 金华飞光科技有限公司 光固化3d打印机的投影畸形矫正方法及系统

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
DE60208009T2 (de) * 2002-06-17 2006-08-24 Nucletron B.V. System zur Echtzeitplanung von Strahlentherapie
US6888924B2 (en) * 2003-06-25 2005-05-03 General Electric Company Method, apparatus, and medium for calibration of tomosynthesis system geometry using fiducial markers with non-determined position
US7653229B2 (en) * 2003-12-23 2010-01-26 General Electric Company Methods and apparatus for reconstruction of volume data from projection data
JP4438053B2 (ja) * 2004-05-11 2010-03-24 キヤノン株式会社 放射線撮像装置、画像処理方法及びコンピュータプログラム
DE102004040629B4 (de) * 2004-08-19 2011-05-19 MedCom Gesellschaft für medizinische Bildverarbeitung mbH Einstellen einer Relativposition einer Bestrahlungseinrichtung und eines Patienten
EP1846752A2 (en) * 2005-02-01 2007-10-24 Koninklijke Philips Electronics N.V. Apparatus and method for correction or extension of x-ray projections
DE102005005087B4 (de) * 2005-02-03 2012-09-27 Siemens Ag Verfahren zur Korrektur nicht reproduzierbarer Geometriefehler eines Röntgen-C-Bogengerätes
US8199168B2 (en) * 2005-11-15 2012-06-12 General Electric Company System and method for 3D graphical prescription of a medical imaging volume
US7894649B2 (en) * 2006-11-02 2011-02-22 Accuray Incorporated Target tracking using direct target registration
AU2007319437B2 (en) * 2006-11-09 2013-01-10 Alcon Research, Ltd. Punctal plug comprising a water-insoluble polymeric matrix
FR2919096A1 (fr) * 2007-07-19 2009-01-23 Gen Electric Procede de correction de recalage d'images radiographiques
EP2295113B1 (en) * 2009-03-10 2020-02-26 Hitachi, Ltd. Controller of radiation therapy equipment
CA2783485A1 (en) * 2010-01-13 2011-07-21 The Australian National University A computed tomography imaging process and system
JP6214128B2 (ja) * 2010-11-22 2017-10-18 キヤノン株式会社 画像処理装置、画像処理方法、及び記憶媒体
CN102488528B (zh) * 2011-12-07 2013-04-24 华中科技大学 一种层析成像几何参数的校准方法
RU2014154006A (ru) * 2012-06-05 2016-08-10 Конинклейке Филипс Н.В. Калибровка с декомпозицией на слои движения рентгеновских ст-томографов
KR20150079560A (ko) * 2012-08-20 2015-07-08 오란게덴탈 게엠베하 운트 코카게 콘빔 컴퓨터 단층 촬영 장치의 기하 특성화 및 교정
CN103729827A (zh) * 2012-10-11 2014-04-16 南京普爱射线影像设备有限公司 影像增强器c形臂x射线机三维重建重叠伪影校正方法
CN103519833B (zh) * 2013-06-05 2015-10-07 东南大学 一种旋转c型臂x射线机的三维校正重建方法
CN105682558B (zh) * 2013-08-29 2020-02-21 西门子保健有限责任公司 具有运动补偿的计算机断层摄影术
EP3175790B1 (en) * 2013-11-04 2021-09-08 Ecential Robotics Method for reconstructing a 3d image from 2d x-ray images
CN103735282B (zh) * 2014-01-06 2015-09-23 北京大学 一种锥束ct系统探测器几何校正装置及其校正方法
US10478148B2 (en) * 2016-02-19 2019-11-19 The Johns Hopkins University Self-calibrating projection geometry for volumetric image reconstruction

Also Published As

Publication number Publication date
JP2020509887A (ja) 2020-04-02
BR112019019206A2 (pt) 2020-04-14
FI20175244A1 (fi) 2018-09-18
KR20190126882A (ko) 2019-11-12
US20180268574A1 (en) 2018-09-20
WO2018167355A1 (en) 2018-09-20
EP3595528B1 (en) 2023-07-19
CN110602990A (zh) 2019-12-20
JP7116078B2 (ja) 2022-08-09
EP3595528C0 (en) 2023-07-19
FI20175244L (fi) 2018-09-18
US10636179B2 (en) 2020-04-28
RU2766743C1 (ru) 2022-03-15
CN110602990B (zh) 2023-09-01
KR102369653B1 (ko) 2022-03-07
EP3595528A1 (en) 2020-01-22

Similar Documents

Publication Publication Date Title
FI131860B1 (en) Self-calibrating medical imaging device
JP7436463B2 (ja) デジタル乳房トモシンセシス撮影装置の自己較正手順
US11497459B2 (en) Methods and system for optimizing an imaging scan based on a prior scan
US20180070902A1 (en) Apparatus and method for 4d x-ray imaging
CN112927315A (zh) 用于x射线成像中的金属伪影避免的方法
JP2009022754A (ja) 放射線画像の位置揃えを補正する方法
US9098896B2 (en) Method for correcting metal artifacts in x-ray imaging, and x-ray device
CN113874071B (zh) 医用图像处理装置、存储介质、医用装置及治疗系统
US20120022845A1 (en) Monitoring of the radiation dose accumulated by a body
US12070348B2 (en) Methods and systems for computed tomography
CN102427767B (zh) 用于计算机断层摄影中低剂量介入引导的数据采集和可视化模式
US12548224B2 (en) Artifact and/or movement correction in medical images
RU2789105C2 (ru) Способ автокалибровки устройства для формирования изображений цифровой томографической реконструкции груди
CN110121300A (zh) 缩放式射线照相重建
BR112019019206B1 (pt) Método de correção de movimento de paciente para tomografia computadorizada de feixe cônico, meio de armazenamento legível por computador, e, aparelho
CN115462813A (zh) 对患者的吞咽运动的医学成像过程的适应
HK40018965A (en) Patient movement correction method for cone-beam computed tomography
HK40018965B (zh) 用於锥形束计算机断层扫描的患者移动校正方法