[go: up one dir, main page]

SE9501265D0 - Förfarande och anordning vid röntgenutrustning - Google Patents

Förfarande och anordning vid röntgenutrustning

Info

Publication number
SE9501265D0
SE9501265D0 SE9501265A SE9501265A SE9501265D0 SE 9501265 D0 SE9501265 D0 SE 9501265D0 SE 9501265 A SE9501265 A SE 9501265A SE 9501265 A SE9501265 A SE 9501265A SE 9501265 D0 SE9501265 D0 SE 9501265D0
Authority
SE
Sweden
Prior art keywords
neighborhood
signals
ray
image sequence
contrast medium
Prior art date
Application number
SE9501265A
Other languages
English (en)
Inventor
Mats Andersson
Hans Knutsson
Torbjoern Kronander
Original Assignee
Mats Andersson
Hans Knutsson
Torbjoern Kronander
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 Mats Andersson, Hans Knutsson, Torbjoern Kronander filed Critical Mats Andersson
Priority to SE9501265A priority Critical patent/SE9501265D0/sv
Publication of SE9501265D0 publication Critical patent/SE9501265D0/sv
Priority to EP96910262A priority patent/EP0818971B1/en
Priority to AT96910262T priority patent/ATE269667T1/de
Priority to AU53507/96A priority patent/AU5350796A/en
Priority to PCT/SE1996/000422 priority patent/WO1996031156A1/en
Priority to DE1996632775 priority patent/DE69632775T2/de
Priority to US08/939,740 priority patent/US6005917A/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
    • A61B6/48—Diagnostic techniques
    • A61B6/481—Diagnostic techniques involving the use of contrast agents
    • 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
    • A61B6/504—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 blood vessels, e.g. by angiography
    • 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
    • A61B6/507—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 determination of haemodynamic parameters, e.g. perfusion CT
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/262—Analysis of motion using transform domain methods, e.g. Fourier domain methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/321—Transforming X-rays with video transmission of fluoroscopic images
    • H04N5/325—Image enhancement, e.g. by subtraction techniques using polyenergetic X-rays

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Multimedia (AREA)
  • Dentistry (AREA)
  • Vascular Medicine (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Feedback Control In General (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)
  • Centrifugal Separators (AREA)
SE9501265A 1995-04-05 1995-04-05 Förfarande och anordning vid röntgenutrustning SE9501265D0 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9501265A SE9501265D0 (sv) 1995-04-05 1995-04-05 Förfarande och anordning vid röntgenutrustning
EP96910262A EP0818971B1 (en) 1995-04-05 1996-04-09 Velocity adaptive filtered angiography
AT96910262T ATE269667T1 (de) 1995-04-05 1996-04-09 Geschwindigkeitsanpassbare gefilterte angiographie
AU53507/96A AU5350796A (en) 1995-04-05 1996-04-09 Velocity adaptive filtered angiography
PCT/SE1996/000422 WO1996031156A1 (en) 1995-04-05 1996-04-09 Velocity adaptive filtered angiography
DE1996632775 DE69632775T2 (de) 1995-04-05 1996-04-09 Geschwindigkeitsanpassbare gefilterte angiographie
US08/939,740 US6005917A (en) 1995-04-05 1997-10-06 Velocity adaptive filtered angiography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501265A SE9501265D0 (sv) 1995-04-05 1995-04-05 Förfarande och anordning vid röntgenutrustning

Publications (1)

Publication Number Publication Date
SE9501265D0 true SE9501265D0 (sv) 1995-04-05

Family

ID=20397862

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501265A SE9501265D0 (sv) 1995-04-05 1995-04-05 Förfarande och anordning vid röntgenutrustning

Country Status (7)

Country Link
US (1) US6005917A (sv)
EP (1) EP0818971B1 (sv)
AT (1) ATE269667T1 (sv)
AU (1) AU5350796A (sv)
DE (1) DE69632775T2 (sv)
SE (1) SE9501265D0 (sv)
WO (1) WO1996031156A1 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226350B1 (en) * 1998-12-31 2001-05-01 General Electric Company Methods and apparatus for cardiac scoring with a multi-beam scanner
US6532380B1 (en) * 2000-06-30 2003-03-11 Cedars Sinai Medical Center Image guidance for coronary stent deployment
DE60212917T2 (de) * 2001-10-16 2007-03-01 Kabushiki Kaisha Toshiba Vorrichtung zur Berechnung eines Index von örtlichen Blutflüssen
US8295573B2 (en) 2006-05-22 2012-10-23 Koninklijke Philips Electronics N.V. Motion-compensated coronary flow from projection imaging
EP2029018A2 (en) * 2006-06-01 2009-03-04 Philips Intellectual Property & Standards GmbH Hierarchical motion estimation
JP5536974B2 (ja) * 2006-11-08 2014-07-02 株式会社東芝 Ｘ線診断装置及び画像処理装置
CN101743565B (zh) * 2007-03-06 2012-08-08 皇家飞利浦电子股份有限公司 图像序列的滤波
DE102008035549A1 (de) * 2008-07-30 2010-02-11 Siemens Aktiengesellschaft Verfahren zur Erstellung von Angiographieaufnahmen
EP2378971B1 (en) * 2008-12-12 2013-02-20 Koninklijke Philips Electronics N.V. Flow sound in x-ray examination
DE102009004580A1 (de) * 2009-01-14 2010-07-15 Siemens Aktiengesellschaft Abtast- und Rekonstruktionsverfahren eines CT-Systems und CT-System
US8891831B2 (en) * 2010-12-14 2014-11-18 The United States Of America, As Represented By The Secretary Of The Navy Method and apparatus for conservative motion estimation from multi-image sequences
JP5981220B2 (ja) * 2012-05-21 2016-08-31 東芝メディカルシステムズ株式会社 医用画像処理装置及びｘ線撮影装置
WO2014057396A1 (en) * 2012-10-12 2014-04-17 Koninklijke Philips N.V. Dynamic background correction in mpi
JP6515037B2 (ja) 2012-12-19 2019-05-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｘ線制御造影剤注入
DE102015205959A1 (de) * 2015-02-27 2016-09-01 Siemens Healthcare Gmbh Ermitteln der Geschwindigkeit eines Fluids mit Hilfe eines bildgebenden Verfahrens
CN108852385B (zh) * 2018-03-13 2022-03-04 中国科学院上海应用物理研究所 一种x射线造影方法及基于x射线造影的动态阅片方法
US20240260916A1 (en) * 2023-02-02 2024-08-08 Wisconsin Alumni Research Foundation System and method for flow or velocity quantification using contrast-enhanced x-ray data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677478A (en) * 1982-01-25 1987-06-30 Thomson-Csf Broadcast, Inc. Apparatus and method for imaging a body
DE3739229A1 (de) * 1987-11-19 1989-06-01 Siemens Ag Medizinische untersuchungsanlage
GB2220319B (en) * 1988-07-01 1992-11-04 Plessey Co Plc Improvements in or relating to image stabilisation
US5091925A (en) * 1990-01-18 1992-02-25 Siemens Aktiengesellschaft X-ray diagnostics installation with spatial frequency filtering
KR940007163B1 (ko) * 1991-07-09 1994-08-06 삼성전자 주식회사 캠코더의 피사체 자동추적장치
GB9203132D0 (en) * 1992-02-14 1992-04-01 Univ Southampton Computer assisted dynamic digital angiography
EP0578311B1 (en) * 1992-07-10 1998-12-09 Koninklijke Philips Electronics N.V. X-ray examination apparatus with means for noise reduction

Also Published As

Publication number Publication date
EP0818971A1 (en) 1998-01-21
DE69632775D1 (de) 2004-07-29
DE69632775T2 (de) 2005-01-13
ATE269667T1 (de) 2004-07-15
EP0818971B1 (en) 2004-06-23
WO1996031156A1 (en) 1996-10-10
AU5350796A (en) 1996-10-23
US6005917A (en) 1999-12-21

Similar Documents

Publication Publication Date Title
SE9501265D0 (sv) Förfarande och anordning vid röntgenutrustning
JP3604696B2 (ja) 超音波スペクトルのコントラスト映像化
FI852489A0 (fi) Foerbaettrat system foer tagande kaernan fraon en bild representerande signal.
DE69738998D1 (de) Photoakustische mamma-abtastvorrichtung
ES2003883A6 (es) Metodo y aparato correspondiente para obtenter imagenes ultrasonicas de seccion transversal.
Hüter et al. An ultrasonic method for outlining the cerebral ventricles
IL89023A (en) In vivo ultrasonic system for angioplasty and ultrasonic contrast imaging
WO2000045707A3 (en) Improved thermoacoustic computed tomography scanner
AU3644197A (en) Ultrasound-hall effect imaging system and method
US6783496B2 (en) Method and apparatus for improving contrast-to-tissue ratio in ultrasound contrast imaging with subharmonic imaging
ATE162062T1 (de) Verfahren zur gewebeunterscheidung sowie vorrichtung zur bearbeitung von zahnhartgewebe mit laserimpulsen
CA2252574A1 (en) Methods and apparatus for generating noise signals from speech signals
AU532534B2 (en) Ultrasonic doppler detection
US4677478A (en) Apparatus and method for imaging a body
CN110575201B (zh) 基于反相Golay码的超声微泡空化成像方法及装置
JP4690537B2 (ja) 超音波診断装置
EG16808A (en) Boolean filtering method and apparatus
Shen et al. Ultrasound Monitoring of Simultaneous high-intensity focused ultrasound (HIFU) therapy using minimum-peak-sidelobe coded excitation
KR20190129493A (ko) 실시간 초음파 모니터링을 위한 초음파 잡음 제거 장치 및 방법
JP2009142693A (ja) 超音波造影描画装置
Tsui et al. Noise-modulated empirical mode decomposition
ATE222015T1 (de) Vorrichtung und verfahren zur bestimmung der qualität eines ausgangssignals das von einem signalverarbeitungsschaltkreis erzeugt werden soll
Wu et al. Ultrasound Monitoring of Simultaneous High-Intensity Focused Ultrasound (HIFU) Therapy Using Minimum-Peak-Sidelobe Coded Excitation
SU993316A1 (ru) Устройство дл снижени уровн шума фонограммы
Santosh et al. In vivo biomicroscopy with ultrasound 2