JP2023120851A - 画像処理装置、画像処理方法、及びプログラム - Google Patents

画像処理装置、画像処理方法、及びプログラム Download PDF

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Publication number
JP2023120851A
JP2023120851A JP2022023949A JP2022023949A JP2023120851A JP 2023120851 A JP2023120851 A JP 2023120851A JP 2022023949 A JP2022023949 A JP 2022023949A JP 2022023949 A JP2022023949 A JP 2022023949A JP 2023120851 A JP2023120851 A JP 2023120851A
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Japan
Prior art keywords
image
images
energy
quality
energy subtraction
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Pending
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JP2022023949A
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Japanese (ja)
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JP2023120851A5 (https=
Inventor
学 山添
Manabu Yamazoe
貴司 岩下
Takashi Iwashita
竜一 藤本
Ryuichi Fujimoto
治 嵯峨野
Osamu Sagano
律也 富田
Ritsuya Tomita
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2022023949A priority Critical patent/JP2023120851A/ja
Priority to US18/168,599 priority patent/US20230263492A1/en
Publication of JP2023120851A publication Critical patent/JP2023120851A/ja
Publication of JP2023120851A5 publication Critical patent/JP2023120851A5/ja
Pending legal-status Critical Current

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    • 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
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • 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
    • A61B6/505—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 bone
    • 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
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic 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
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • A61B6/5241—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT combining overlapping images of the same imaging modality, e.g. by stitching
    • 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
    • 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
    • G06T5/00—Image enhancement or restoration
    • G06T5/60—Image enhancement or restoration using machine learning, e.g. neural networks
    • 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
    • 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
    • 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
    • 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
    • G06T2207/20081—Training; Learning
    • 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
    • G06T2207/20084—Artificial neural networks [ANN]
    • 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
    • G06T2207/20212—Image combination
    • G06T2207/20224—Image subtraction
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30008—Bone

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2022023949A 2022-02-18 2022-02-18 画像処理装置、画像処理方法、及びプログラム Pending JP2023120851A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022023949A JP2023120851A (ja) 2022-02-18 2022-02-18 画像処理装置、画像処理方法、及びプログラム
US18/168,599 US20230263492A1 (en) 2022-02-18 2023-02-14 Image processing apparatus, image processing method, and computer-readable medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022023949A JP2023120851A (ja) 2022-02-18 2022-02-18 画像処理装置、画像処理方法、及びプログラム

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JP2023120851A true JP2023120851A (ja) 2023-08-30
JP2023120851A5 JP2023120851A5 (https=) 2025-02-27

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JP (1) JP2023120851A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023172296A (ja) 2022-05-23 2023-12-06 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
JP2023181858A (ja) 2022-06-13 2023-12-25 キヤノン株式会社 画像処理装置、放射線撮像システム、画像処理方法及びプログラム
JP7322262B1 (ja) * 2022-08-30 2023-08-07 ジーイー・プレシジョン・ヘルスケア・エルエルシー 仮想単色ｘ線画像を推論する装置、ｃｔシステム、学習済みニューラルネットワークの作成方法、および記憶媒体
WO2026020137A1 (en) * 2024-07-19 2026-01-22 Mayo Foundation For Medical Education And Research Deep learning-based monoenergetic image generation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008167949A (ja) * 2007-01-12 2008-07-24 Fujifilm Corp 放射線画像処理方法および装置ならびにプログラム
JP2011206367A (ja) * 2010-03-30 2011-10-20 Fujifilm Corp 画像処理方法並びに放射線ｃｔ装置
JP2020099667A (ja) * 2018-12-21 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法
JP2020127635A (ja) * 2019-02-08 2020-08-27 キヤノンメディカルシステムズ株式会社 医用処理装置、ｘ線ｃｔシステム及び処理プログラム
JP2020203083A (ja) * 2019-06-11 2020-12-24 キヤノン株式会社 放射線撮像装置及び放射線撮像システム
JP2022013679A (ja) * 2020-06-30 2022-01-18 キヤノンメディカルシステムズ株式会社 医用画像処理方法、医用画像処理装置及びｘ線ｃｔ装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008167949A (ja) * 2007-01-12 2008-07-24 Fujifilm Corp 放射線画像処理方法および装置ならびにプログラム
JP2011206367A (ja) * 2010-03-30 2011-10-20 Fujifilm Corp 画像処理方法並びに放射線ｃｔ装置
JP2020099667A (ja) * 2018-12-21 2020-07-02 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔシステム及び方法
JP2020127635A (ja) * 2019-02-08 2020-08-27 キヤノンメディカルシステムズ株式会社 医用処理装置、ｘ線ｃｔシステム及び処理プログラム
JP2020203083A (ja) * 2019-06-11 2020-12-24 キヤノン株式会社 放射線撮像装置及び放射線撮像システム
JP2022013679A (ja) * 2020-06-30 2022-01-18 キヤノンメディカルシステムズ株式会社 医用画像処理方法、医用画像処理装置及びｘ線ｃｔ装置

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