ATE448529T1 - Rauschminderung bei doppelenergie- röntgenbildgebung - Google Patents

Rauschminderung bei doppelenergie- röntgenbildgebung

Info

Publication number
ATE448529T1
ATE448529T1 AT07735116T AT07735116T ATE448529T1 AT E448529 T1 ATE448529 T1 AT E448529T1 AT 07735116 T AT07735116 T AT 07735116T AT 07735116 T AT07735116 T AT 07735116T AT E448529 T1 ATE448529 T1 AT E448529T1
Authority
AT
Austria
Prior art keywords
ray
attenuation
spectral
signal
base line
Prior art date
Application number
AT07735116T
Other languages
English (en)
Inventor
Ewald Roessl
Andy Ziegler
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE448529T1 publication Critical patent/ATE448529T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
AT07735116T 2006-03-29 2007-03-14 Rauschminderung bei doppelenergie- röntgenbildgebung ATE448529T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06111881 2006-03-29
PCT/IB2007/050877 WO2007110794A1 (en) 2006-03-29 2007-03-14 Noise reduction in dual-energy x-ray imaging

Publications (1)

Publication Number Publication Date
ATE448529T1 true ATE448529T1 (de) 2009-11-15

Family

ID=38328932

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07735116T ATE448529T1 (de) 2006-03-29 2007-03-14 Rauschminderung bei doppelenergie- röntgenbildgebung

Country Status (6)

Country Link
US (1) US7822169B2 (de)
EP (1) EP2002397B1 (de)
CN (1) CN101410871A (de)
AT (1) ATE448529T1 (de)
DE (1) DE602007003203D1 (de)
WO (1) WO2007110794A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101416073B (zh) * 2006-03-29 2012-06-13 皇家飞利浦电子股份有限公司 用于重建图像的双能量衰减数据的信噪比的动态优化
CN101785029B (zh) * 2007-04-23 2012-09-05 皇家飞利浦电子股份有限公司 根据能量相关投影数据对感兴趣区域进行成像的成像系统
JP4924717B2 (ja) * 2007-09-25 2012-04-25 株式会社島津製作所 放射線撮像装置
DE102008032996B4 (de) * 2008-07-14 2014-08-21 Siemens Aktiengesellschaft Verfahren zur Bestimmung einer Schwächungskarte
EP2572331A1 (de) 2010-05-21 2013-03-27 Koninklijke Philips Electronics N.V. Kantenerhaltende rauschfilterung
CN103649990B (zh) * 2011-07-15 2017-06-06 皇家飞利浦有限公司 用于谱ct的图像处理
US8929508B1 (en) 2012-04-17 2015-01-06 Robert E. Alvarez Energy selective X-ray system with low noise
US9076237B2 (en) * 2013-03-12 2015-07-07 Wisconsin Alumni Research Foundation System and method for estimating a statistical noise map in x-ray imaging applications
US10117628B2 (en) * 2014-10-01 2018-11-06 Toshiba Medical Systems Corporation Photon counting apparatus
US9460485B2 (en) * 2014-12-11 2016-10-04 General Electric Company Systems and methods for guided de-noising for computed tomography
US9545236B2 (en) * 2015-01-23 2017-01-17 Toshiba Medical Systems Corporation Method for scanogram scans in photon-counting computed tomography
CN108061913B (zh) * 2018-01-31 2023-10-27 中国工程物理研究院激光聚变研究中心 安装装置及能谱仪
CN110836901B (zh) * 2018-08-17 2020-09-04 同方威视技术股份有限公司 基于k边缘成像的优化阈值方法、装置、设备和介质
CN109801243B (zh) * 2019-01-28 2020-11-27 中国科学院高能物理研究所 材料成像权重的确定方法、装置、介质及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029963A (en) * 1976-07-30 1977-06-14 The Board Of Trustees Of Leland Stanford Junior University X-ray spectral decomposition imaging system
US4463375A (en) * 1982-09-07 1984-07-31 The Board Of Trustees Of The Leland Standford Junior University Multiple-measurement noise-reducing system
US5115394A (en) * 1983-11-25 1992-05-19 Technicare Corporation Dual energy computerized tomography system
US5221843A (en) * 1992-04-23 1993-06-22 Alvarez Robert E Active energy selective x-ray image detection
US5436829A (en) * 1992-11-05 1995-07-25 General Electric Company Method of achieving reduced dose X-ray fluoroscopy by employing transform-based estimation of Poisson noise
JP3455577B2 (ja) * 1994-04-08 2003-10-14 株式会社東芝 Ｘ線ｃｔ装置
US5965897A (en) * 1998-02-05 1999-10-12 X-Medica Ltd. High resolution storage phosphor x-ray imaging device
US6408050B1 (en) * 2000-09-14 2002-06-18 Ge Medical Systems Global Technology Company, Llc X-ray detector and method for tissue specific image
US6678350B2 (en) * 2000-09-29 2004-01-13 Analogic Corporation Method of and system for improving the signal to noise characteristics of images from a digital X-ray detector receiving bi-chromatic X-ray energy
US6614874B2 (en) * 2002-01-28 2003-09-02 Ge Medical Systems Global Technology Company, Llc Robust and efficient decomposition algorithm for digital x-ray de imaging
WO2005009206A2 (en) * 2003-06-25 2005-02-03 Besson Guy M Dynamic multi-spectral imaging system
US7769138B2 (en) 2004-03-29 2010-08-03 Cmt Medical Technologies Ltd. Apparatus and method of improved angiographic imaging
EP1731100B9 (de) * 2005-06-06 2013-01-23 Kabushiki Kaisha Toshiba Medizinische Bildanzeigevorrichtung und medizinisches Bildanzeigesystem
US7706497B2 (en) * 2008-03-14 2010-04-27 General Electric Company Methods and apparatus for noise estimation for multi-resolution anisotropic diffusion filtering

Also Published As

Publication number Publication date
US7822169B2 (en) 2010-10-26
DE602007003203D1 (de) 2009-12-24
EP2002397A1 (de) 2008-12-17
EP2002397B1 (de) 2009-11-11
US20090135998A1 (en) 2009-05-28
CN101410871A (zh) 2009-04-15
WO2007110794A1 (en) 2007-10-04

Similar Documents

Publication Publication Date Title
ATE448529T1 (de) Rauschminderung bei doppelenergie- röntgenbildgebung
WO2007110796A3 (en) Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images
WO2008033909A3 (en) Apparatus, probe and method for providing depth assessment in an anatomical structure
WO2008066735A3 (en) Methods and apparatus for obtaining low-dose imaging
WO2010100594A3 (en) Processing images of at least one living being
EP2017593A3 (de) Verfahren und System zur Bestimmung einer physikalischen Eigenschaft als Positionsfunktion
WO2011097060A3 (en) High dynamic range image generation and rendering
WO2009081410A3 (en) Noise reduction of images
ATE427695T1 (de) Stoffwechseluberwachung, verfahren und gerat zur anzeige eines gesundheitsbezogenen zustands einer person
CN102356631A (zh) 图像处理装置、信号处理方法以及程序
WO2007075761A3 (en) Reduction of scan time in imaging mass spectrometry
RU2012120862A (ru) Устройство оценки протокола сбора
US20120114210A1 (en) Enhancing quality of ultrasound image in ultrasound system
WO2011097631A3 (en) Method and apparatus for ultrahigh sensitive optical microangiography
JP2013508061A5 (de)
EP1662771A3 (de) Datenverarbeitungsvorrichtung und -verfahren, Datenträger und Programm.
WO2007095312A3 (en) Image reconstruction from limited or incomplete data
WO2004081865A3 (en) Systems and methods for bioliminescent computed tomographic reconstruction
WO2006062540A3 (en) Shape index weighted voting for detection of objects
EP2278787A3 (de) Informationsverarbeitungsvorrichtung und computerlesbares Medium
WO2008097794A3 (en) System and method for testing autoverification rules
WO2010106449A3 (en) Functional imaging
TW200611206A (en) System and method for synthesizing multi-exposed image
WO2007096168A3 (en) Method for discriminating textures regions and homogeneous or flat regions in an image and methods for estimating noise in an image sequence
WO2012058217A3 (en) Image search engine

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties