CN107004257B - 通过基于噪声模型的多尺度噪声降低来模拟剂量增加 - Google Patents

通过基于噪声模型的多尺度噪声降低来模拟剂量增加 Download PDF

Info

Publication number
CN107004257B
CN107004257B CN201580063773.7A CN201580063773A CN107004257B CN 107004257 B CN107004257 B CN 107004257B CN 201580063773 A CN201580063773 A CN 201580063773A CN 107004257 B CN107004257 B CN 107004257B
Authority
CN
China
Prior art keywords
image
frequency component
pass
spatial frequency
function
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201580063773.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN107004257A (zh
Inventor
M·施吕特
H-I·马克
B·伦特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips 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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN107004257A publication Critical patent/CN107004257A/zh
Application granted granted Critical
Publication of CN107004257B publication Critical patent/CN107004257B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
CN201580063773.7A 2014-11-24 2015-11-19 通过基于噪声模型的多尺度噪声降低来模拟剂量增加 Active CN107004257B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14194495.9 2014-11-24
EP14194495 2014-11-24
PCT/EP2015/077155 WO2016083248A1 (en) 2014-11-24 2015-11-19 Simulating dose increase by noise model based multi scale noise reduction

Publications (2)

Publication Number Publication Date
CN107004257A CN107004257A (zh) 2017-08-01
CN107004257B true CN107004257B (zh) 2021-08-03

Family

ID=52231796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580063773.7A Active CN107004257B (zh) 2014-11-24 2015-11-19 通过基于噪声模型的多尺度噪声降低来模拟剂量增加

Country Status (5)

Country Link
US (1) US10282823B2 (enExample)
EP (1) EP3224800B1 (enExample)
JP (1) JP6700273B2 (enExample)
CN (1) CN107004257B (enExample)
WO (1) WO2016083248A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11871055B2 (en) * 2019-03-04 2024-01-09 Huawei Technologies Co., Ltd. Video generating device and method thereof

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3438928A1 (en) 2017-08-02 2019-02-06 Koninklijke Philips N.V. Detection of regions with low information content in digital x-ray images
WO2019181969A1 (ja) * 2018-03-20 2019-09-26 日本電気株式会社 撮像装置及び撮像方法
CN109992931B (zh) * 2019-02-27 2023-05-30 天津大学 一种基于噪声压缩的可迁移的非黑盒攻击对抗方法
US11957876B2 (en) 2019-07-16 2024-04-16 Beta Bionics, Inc. Glucose control system with automated backup therapy protocol generation
WO2021011697A1 (en) 2019-07-16 2021-01-21 Beta Bionics, Inc. Blood glucose control system
JP7317655B2 (ja) 2019-09-26 2023-07-31 富士フイルムヘルスケア株式会社 医用画像処理装置および医用画像処理方法
CN111368418B (zh) * 2020-03-02 2021-05-07 上海索辰信息科技股份有限公司 流致噪声的多尺度仿真分析方法
USD1032624S1 (en) 2020-03-10 2024-06-25 Beta Bionics, Inc. Display screen with animated graphical user interface
US11278661B2 (en) 2020-03-10 2022-03-22 Beta Bionics, Inc. Infusion system and components thereof
CN111680911B (zh) * 2020-06-03 2022-07-08 江苏方天电力技术有限公司 一种火电厂在线能耗计算系统及其计算方法
CN112163999B (zh) * 2020-09-25 2023-03-31 Oppo（重庆）智能科技有限公司 图像重建方法和装置、电子设备、可读存储介质
US20220189601A1 (en) 2020-12-07 2022-06-16 Beta Bionics, Inc. Modular blood glucose control systems
US20220265143A1 (en) 2020-12-07 2022-08-25 Beta Bionics, Inc. Ambulatory medicament pumps with selective alarm muting
US20220199218A1 (en) 2020-12-07 2022-06-23 Beta Bionics, Inc. Ambulatory medicament pump with integrated medicament ordering interface
CN112690810B (zh) * 2020-12-22 2023-08-15 上海联影医疗科技股份有限公司 基于先验信息的扫描方法和医学扫描系统
US12465686B2 (en) 2021-03-25 2025-11-11 Beta Bionics, Inc. Emergency medicament dose control
CN115880201A (zh) * 2021-08-17 2023-03-31 芜湖美的厨卫电器制造有限公司 基于图像的故障诊断方法、装置和电子设备
DE102022207239B4 (de) * 2022-07-15 2024-08-08 Siemens Healthineers Ag Computerimplementiertes Verfahren zur Rauschanpassung eines Röntgenbilds, Röntgeneinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
CN117938285B (zh) * 2024-03-14 2024-05-28 深圳百沃彰世科技有限公司 一种基于移动通讯设备的模拟调试方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101109718A (zh) * 2006-11-14 2008-01-23 北京国药恒瑞美联信息技术有限公司 用于消除散射辐射影响的虚拟滤线栅成像方法及其系统
CN102970933A (zh) * 2010-01-06 2013-03-13 皇家飞利浦电子股份有限公司 用于模拟x射线系统的采集剂量减少的方法、计算机系统以及x射线系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69214229T2 (de) * 1991-08-14 1997-04-30 Agfa Gevaert Nv Verfahren und Vorrichtung zur Kontrastverbesserung von Bildern
EP0527525B1 (en) * 1991-08-14 1996-10-02 Agfa-Gevaert N.V. Method and apparatus for contrast enhancement
WO1997001153A1 (en) 1995-06-23 1997-01-09 Philips Electronics N.V. Image processing for noise reduction
US5978518A (en) * 1997-02-25 1999-11-02 Eastman Kodak Company Image enhancement in digital image processing
DE19849090A1 (de) * 1998-10-24 2000-04-27 Philips Corp Intellectual Pty Verfahren zur Verarbeitung eines Eingangsbildes
JP4679710B2 (ja) * 2000-10-25 2011-04-27 富士フイルム株式会社 ノイズ抑制処理装置並びに記録媒体
EP1223553A3 (en) * 2000-10-17 2003-09-24 Fuji Photo Film Co., Ltd. Apparatus for suppressing noise by adapting filter characteristics to input image signal based on characteristics of input image signal
US6913210B2 (en) * 2001-09-28 2005-07-05 Holley Performance Products Fuel injector nozzle adapter
EP1345171A1 (en) * 2002-02-22 2003-09-17 Agfa-Gevaert Method of normalising a digital signal representation of an image.
JP2004242285A (ja) * 2003-01-14 2004-08-26 Fuji Photo Film Co Ltd ノイズ抑制処理方法および装置並びにプログラム
WO2009013696A2 (en) 2007-07-24 2009-01-29 Koninklijke Philips Electronics N. V. Framework system and method for low-frequency preservation in multiresolution nonlinear adaptive filtering
JP6000659B2 (ja) 2012-06-01 2016-10-05 キヤノン株式会社 情報処理装置、情報処理方法およびプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101109718A (zh) * 2006-11-14 2008-01-23 北京国药恒瑞美联信息技术有限公司 用于消除散射辐射影响的虚拟滤线栅成像方法及其系统
CN102970933A (zh) * 2010-01-06 2013-03-13 皇家飞利浦电子股份有限公司 用于模拟x射线系统的采集剂量减少的方法、计算机系统以及x射线系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11871055B2 (en) * 2019-03-04 2024-01-09 Huawei Technologies Co., Ltd. Video generating device and method thereof

Also Published As

Publication number Publication date
EP3224800B1 (en) 2020-04-15
US20170345132A1 (en) 2017-11-30
JP2017535353A (ja) 2017-11-30
WO2016083248A1 (en) 2016-06-02
JP6700273B2 (ja) 2020-05-27
EP3224800A1 (en) 2017-10-04
CN107004257A (zh) 2017-08-01
US10282823B2 (en) 2019-05-07

Similar Documents

Publication Publication Date Title
CN107004257B (zh) 通过基于噪声模型的多尺度噪声降低来模拟剂量增加
RU2705014C1 (ru) Способы и системы для обработки изображений
US10643319B2 (en) Apparatus and method for context-oriented blending of reconstructed images
Wang et al. Metal artifact reduction in CT using fusion based prior image
US10867375B2 (en) Forecasting images for image processing
US9002134B2 (en) Multi-scale image normalization and enhancement
CN105528766B (zh) Ct金属伪影处理方法和装置
EP4070267A1 (en) Composition-guided post processing for x-ray images
CN114450710A (zh) 用于噪声降低的方法和装置
CN109741254A (zh) 字典训练及图像超分辨重建方法、系统、设备及存储介质
WO2011114243A1 (en) Functional image data enhancement and/or enhancer
KR102142934B1 (ko) 가중 최소 자승 필터와 희소 표현을 이용한 영상 융합 장치 및 방법
CN108876734B (zh) 图像去噪方法、装置、电子设备及存储介质
JP4783006B2 (ja) 領域分割ベースの画像操作の方法及び装置
Georgieva et al. An adaptive enhancement of X-Ray images
Nasr et al. An approach for ct image conversion using filtering based on quaternion mathematics
Sehgal et al. CT Image Denoising Using Bilateral Filter and Method Noise Thresholding in Shearlet Domain
JP2000172839A (ja) ディジタル画像中の疑似画像を補正する方法
Fan et al. Medical image enhancement based on modified lut-mapping derivative and multi-scale layer contrast modification
EP4557213A1 (en) Enhancing image quality of medical images and providing medical image data to a user
Anitha et al. Denoising and Quality Enhancement of CT Scan/X-Ray Images of Lung Disease for Enhanced Diagnosis
Bian et al. Iterative image reconstruction for low-dose x-ray CT using a sinogram restoration induced edge-preserving prior
Xu et al. Accelerating regularized iterative CT reconstruction on commodity graphics hardware (GPU)
Sehgal et al. CT Image Denoising Using Bilateral Filter and Method Noise Thresholding
Ilori et al. Hybrid UM-LT-AHE Technique for Contrast Enhancement of Medical Images

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant