JP2023181858A - 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 - Google Patents

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 Download PDF

Info

Publication number
JP2023181858A
JP2023181858A JP2022095223A JP2022095223A JP2023181858A JP 2023181858 A JP2023181858 A JP 2023181858A JP 2022095223 A JP2022095223 A JP 2022095223A JP 2022095223 A JP2022095223 A JP 2022095223A JP 2023181858 A JP2023181858 A JP 2023181858A
Authority
JP
Japan
Prior art keywords
image
processing
noise
thickness
substance
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
JP2022095223A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023181858A5 (https=
Inventor
貴司 岩下
Takashi Iwashita
晃介 照井
Kosuke Terui
竜一 藤本
Ryuichi Fujimoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2022095223A priority Critical patent/JP2023181858A/ja
Priority to US18/306,339 priority patent/US12573010B2/en
Publication of JP2023181858A publication Critical patent/JP2023181858A/ja
Publication of JP2023181858A5 publication Critical patent/JP2023181858A5/ja
Pending legal-status Critical Current

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
    • A61B6/48—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
    • A61B6/50—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
    • A61B6/5258—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
    • G06T5/10—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
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/30—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming X-rays into image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/59—Control of the dynamic range by controlling the amount of charge storable in the pixel, e.g. modification of the charge conversion ratio of the floating node capacitance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
    • H04N25/771—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/28—Indexing scheme for image data processing or generation, in general involving image processing hardware
    • 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
    • G06T2207/20024—Filtering details
    • G06T2207/20028—Bilateral filtering
    • 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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation
    • 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

  • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Geometry (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2022095223A 2022-06-13 2022-06-13 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 Pending JP2023181858A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022095223A JP2023181858A (ja) 2022-06-13 2022-06-13 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
US18/306,339 US12573010B2 (en) 2022-06-13 2023-04-25 Image processing apparatus, radiation imaging system, image processing method, and non-transitory computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022095223A JP2023181858A (ja) 2022-06-13 2022-06-13 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

Publications (2)

Publication Number Publication Date
JP2023181858A true JP2023181858A (ja) 2023-12-25
JP2023181858A5 JP2023181858A5 (https=) 2025-06-10

Family

ID=89077826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022095223A Pending JP2023181858A (ja) 2022-06-13 2022-06-13 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

Country Status (2)

Country Link
US (1) US12573010B2 (https=)
JP (1) JP2023181858A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250037241A1 (en) * 2023-07-27 2025-01-30 GE Precision Healthcare LLC Methods and systems for dual-energy subtraction images

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7724865B2 (en) * 2007-08-22 2010-05-25 General Electric Company System and method of optimizing a monochromatic representation of basis material decomposed CT images
DE102010010447B4 (de) * 2010-03-05 2013-11-14 Siemens Aktiengesellschaft Verfahren zum Bereitstellen von Bilddaten
JP5864958B2 (ja) * 2011-08-31 2016-02-17 キヤノン株式会社 画像処理装置、画像処理方法、プログラムおよびコンピュータ記録媒体
JP6087541B2 (ja) 2012-08-31 2017-03-01 キヤノン株式会社 放射線撮像装置、その駆動方法、および放射線撮像システム
JP2014048204A (ja) 2012-08-31 2014-03-17 Canon Inc 放射線撮像装置及び放射線撮像システム
JP2014049982A (ja) 2012-08-31 2014-03-17 Canon Inc 放射線撮像装置、その制御方法及びプログラム
JP2014049983A (ja) 2012-08-31 2014-03-17 Canon Inc 放射線撮像装置、その制御方法及びプログラム
WO2014049667A1 (ja) * 2012-09-28 2014-04-03 株式会社島津製作所 デジタル画像処理方法および撮影装置
CN105074774B (zh) * 2013-03-21 2019-11-15 皇家飞利浦有限公司 用于对x射线图像中的结构进行计算机辅助探测的方法和x射线系统
JP2014216794A (ja) 2013-04-24 2014-11-17 キヤノン株式会社 放射線撮像装置及び放射線検査装置
JP6366542B2 (ja) 2015-06-17 2018-08-01 キヤノン株式会社 放射線撮像装置、放射線撮像システムおよび照射開始検出方法
US10275859B2 (en) * 2015-09-16 2019-04-30 Koninklijke Philips N.V. X-Ray imaging device for an object
JP7075250B2 (ja) 2018-03-20 2022-05-25 キヤノン株式会社 放射線撮影システム、撮影制御装置及び方法
JP7161297B2 (ja) 2018-03-20 2022-10-26 キヤノン株式会社 放射線撮影システム、画像処理装置、撮影制御装置及びその作動方法、プログラム
JP2023120851A (ja) 2022-02-18 2023-08-30 キヤノン株式会社 画像処理装置、画像処理方法、及びプログラム
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

Also Published As

Publication number Publication date
US20230401677A1 (en) 2023-12-14
US12573010B2 (en) 2026-03-10

Similar Documents

Publication Publication Date Title
JP7373323B2 (ja) 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
JP7085043B2 (ja) 画像処理装置、画像処理方法及びプログラム
JP7352687B2 (ja) 放射線撮影システム、撮影制御装置及び方法
JP7054329B2 (ja) 画像処理装置、画像処理方法及びプログラム
EP3769687B1 (en) Radiography system and method
WO2020250900A1 (ja) 画像処理装置及び画像処理方法、プログラム
JP2020203083A (ja) 放射線撮像装置及び放射線撮像システム
WO2022071024A1 (ja) 画像処理装置、画像処理方法及びプログラム
US12217401B2 (en) Image processing apparatus, image processing method, and storage medium
JP2023181858A (ja) 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
JP7425619B2 (ja) 画像処理装置及び画像処理方法
JP7431602B2 (ja) 画像処理装置及び画像処理方法
JP2023172296A (ja) 情報処理装置、情報処理方法およびプログラム
JP2020005918A (ja) 画像処理装置およびその制御方法
JP2025023667A (ja) 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
WO2022181022A1 (ja) 画像処理装置及び方法、放射線撮像システム、プログラム
US12614252B2 (en) Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
JP2025006434A (ja) 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
JP2022134547A (ja) 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
JP2023181859A (ja) 放射線撮像装置、情報処理装置、情報処理方法及びプログラム
JP2026017086A (ja) 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

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250602

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250602

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260413