JP2025516727A - 低線量ctからのx線シミュレーション - Google Patents

低線量ctからのx線シミュレーション Download PDF

Info

Publication number
JP2025516727A
JP2025516727A JP2024568025A JP2024568025A JP2025516727A JP 2025516727 A JP2025516727 A JP 2025516727A JP 2024568025 A JP2024568025 A JP 2024568025A JP 2024568025 A JP2024568025 A JP 2024568025A JP 2025516727 A JP2025516727 A JP 2025516727A
Authority
JP
Japan
Prior art keywords
dimensional image
dimensional
imaging data
image
processing
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.)
Pending
Application number
JP2024568025A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025516727A5 (enExample
Inventor
クリスティアン ウェルケル
ミヒャエル フラス
メルレイン セフェンステル
ヒルド ラムブ
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 JP2025516727A publication Critical patent/JP2025516727A/ja
Publication of JP2025516727A5 publication Critical patent/JP2025516727A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5223Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data generating planar views from image data, e.g. extracting a coronal view from a 3D image
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00Tomographic reconstruction from projections
    • G06T12/30Image post-processing, e.g. metal artefact correction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00Tomographic reconstruction from projections
    • G06T12/20Inverse problem, i.e. transformations from projection space into object space
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00Three-dimensional [3D] image rendering
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00Geometric image transformations in the plane of the image
    • G06T3/40Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4053Scaling of whole images or parts thereof, e.g. expanding or contracting based on super-resolution, i.e. the output image resolution being higher than the sensor resolution
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/60Image enhancement or restoration using machine learning, e.g. neural networks
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/70Denoising; Smoothing
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/73Deblurring; Sharpening
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00Indexing scheme for image data processing or generation, in general
    • G06T2200/04Indexing scheme for image data processing or generation, in general involving 3D image data
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10072Tomographic images
    • G06T2207/10081Computed x-ray tomography [CT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20084Artificial neural networks [ANN]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00Indexing scheme for image generation or computer graphics
    • G06T2210/41Medical
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/441AI-based methods, deep learning or artificial neural networks
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/444Low dose acquisition or reduction of radiation dose

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Computer Graphics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
JP2024568025A 2022-05-23 2023-05-22 低線量ctからのx線シミュレーション Pending JP2025516727A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263344852P 2022-05-23 2022-05-23
US63/344,852 2022-05-23
PCT/EP2023/063620 WO2023227511A1 (en) 2022-05-23 2023-05-22 Simulating x-ray from low dose ct

Publications (2)

Publication Number Publication Date
JP2025516727A true JP2025516727A (ja) 2025-05-30
JP2025516727A5 JP2025516727A5 (enExample) 2026-03-16

Family

ID=86657472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024568025A Pending JP2025516727A (ja) 2022-05-23 2023-05-22 低線量ctからのx線シミュレーション

Country Status (5)

Country Link
US (1) US20250359837A1 (enExample)
EP (1) EP4529670A1 (enExample)
JP (1) JP2025516727A (enExample)
CN (1) CN119278468A (enExample)
WO (1) WO2023227511A1 (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109891513B (zh) * 2018-08-03 2023-09-19 上海联影医疗科技股份有限公司 为医疗应用分配计算资源的系统和方法
CN111968164B (zh) * 2020-08-19 2025-01-21 上海涛影医疗科技有限公司 一种基于双平面x光追踪的植入物自动配准定位方法
US11727086B2 (en) * 2020-09-29 2023-08-15 GE Precision Healthcare LLC Multimodality image processing techniques for training image data generation and usage thereof for developing mono-modality image inferencing models
US11890124B2 (en) * 2021-02-01 2024-02-06 Medtronic Navigation, Inc. Systems and methods for low-dose AI-based imaging

Also Published As

Publication number Publication date
CN119278468A (zh) 2025-01-07
WO2023227511A1 (en) 2023-11-30
EP4529670A1 (en) 2025-04-02
US20250359837A1 (en) 2025-11-27

Similar Documents

Publication Publication Date Title
CN111540025B (zh) 预测用于图像处理的图像
RU2510080C2 (ru) Устройство для обработки изображения, способ обработки изображения и среда долговременного хранения информации
CN103180879B (zh) 用于从投影数据对对象进行混合重建的设备和方法
JP4841874B2 (ja) 断層合成造影における直接再生方法及び装置
US20220375038A1 (en) Systems and methods for computed tomography image denoising with a bias-reducing loss function
US6751284B1 (en) Method and system for tomosynthesis image enhancement using transverse filtering
KR20100133950A (ko) 동적인 제약들에 따른 오브젝트 주변의 사용을 통한 단층 촬영에 있어서의 양 감소 및 이미지 강화
US10013778B2 (en) Tomography apparatus and method of reconstructing tomography image by using the tomography apparatus
JP2014514048A (ja) コントラスト依存の解像度をもつ画像
JP2014532504A (ja) 画像データ処理
JP2016152916A (ja) X線コンピュータ断層撮像装置及び医用画像処理装置
EP4235581A1 (en) Medical image processing method, medical image processing apparatus, program, method for producing a trained machine learning model, apparatus for producing a trained machine learning model and computer-readable storage medium
JP2023124839A (ja) 医用画像処理方法、医用画像処理装置及びプログラム
US9953440B2 (en) Method for tomographic reconstruction
US20210282733A1 (en) Edge noise reduction
US20170365076A1 (en) Virtual projection image method
JP6479919B2 (ja) 流動データの再構築
JP2016198504A (ja) 画像生成装置、x線コンピュータ断層撮影装置及び画像生成方法
Choi et al. Integration of 2D iteration and a 3D CNN-based model for multi-type artifact suppression in C-arm cone-beam CT
US20250359837A1 (en) Simulating x-ray from low dose ct
KR20190140345A (ko) 단층 영상의 생성 방법 및 그에 따른 엑스선 영상 장치
US20260030819A1 (en) Cone beam artifact reduction
EP4581566B1 (en) Optimizing ct image formation in simulated x-rays
JP5781011B2 (ja) 画像処理方法、画像処理装置および撮影装置並びにプログラム
Sun et al. Rigid motion correction for head CT imaging

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260306

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20260306