JP2011092705A - 隣接歯間歯領域の位置を特定するための方法 - Google Patents

隣接歯間歯領域の位置を特定するための方法 Download PDF

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Publication number
JP2011092705A
JP2011092705A JP2010230546A JP2010230546A JP2011092705A JP 2011092705 A JP2011092705 A JP 2011092705A JP 2010230546 A JP2010230546 A JP 2010230546A JP 2010230546 A JP2010230546 A JP 2010230546A JP 2011092705 A JP2011092705 A JP 2011092705A
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image
tooth
region
caries
marker
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JP2011092705A5 (enExample
Inventor
Jiayong Yan
ヤン ジャヨン
Wei Wang
ワン ウェイ
Liangliang Pan
パン リャンリャン
Victor C Wong
シー ウォン ビクター
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Carestream Health Inc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/155—Segmentation; Edge detection involving morphological operators
    • 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
    • A61B6/51—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 dentistry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • 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
    • G06T2207/10064—Fluorescence 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
    • G06T2207/20112—Image segmentation details
    • G06T2207/20152—Watershed segmentation
    • 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
    • G06T2207/30036—Dental; Teeth

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Radiology & Medical Imaging (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Epidemiology (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Endoscopes (AREA)
JP2010230546A 2009-10-14 2010-10-13 隣接歯間歯領域の位置を特定するための方法 Pending JP2011092705A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/578,826 US9235901B2 (en) 2009-10-14 2009-10-14 Method for locating an interproximal tooth region

Publications (2)

Publication Number Publication Date
JP2011092705A true JP2011092705A (ja) 2011-05-12
JP2011092705A5 JP2011092705A5 (enExample) 2013-11-28

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JP2010230546A Pending JP2011092705A (ja) 2009-10-14 2010-10-13 隣接歯間歯領域の位置を特定するための方法

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US (1) US9235901B2 (enExample)
EP (1) EP2312529B1 (enExample)
JP (1) JP2011092705A (enExample)
KR (1) KR20110040736A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017099990A1 (en) * 2015-12-10 2017-06-15 3M Innovative Properties Company Method for automatic tooth type recognition from 3d scans
US9958388B2 (en) 2015-08-28 2018-05-01 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus and imaging method

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2517252A1 (fr) * 2005-08-29 2007-02-28 Neks Technologies Inc. Detection de la carie interproximale a l'aide d'une sonde optique examinant la surface occlusale de la dent
US8768016B2 (en) * 2009-06-19 2014-07-01 Carestream Health, Inc. Method for quantifying caries
US8908936B2 (en) * 2009-10-14 2014-12-09 Carestream Health, Inc. Method for extracting a carious lesion area
US8687859B2 (en) * 2009-10-14 2014-04-01 Carestream Health, Inc. Method for identifying a tooth region
JP2012053268A (ja) * 2010-09-01 2012-03-15 Canon Inc レンチキュラーレンズ、画像生成装置および画像生成方法
US9486141B2 (en) * 2011-08-09 2016-11-08 Carestream Health, Inc. Identification of dental caries in live video images
KR20140091176A (ko) 2013-01-10 2014-07-21 삼성전자주식회사 병변 진단 장치 및 방법
US9547903B2 (en) * 2015-04-16 2017-01-17 Carestream Health, Inc. Method for quantifying caries
KR102472034B1 (ko) * 2016-02-19 2022-11-30 주식회사 바텍 X선 영상에서의 치아의 인접면 우식증 영역 검출 방법 및 장치
EP3459494B1 (en) * 2016-05-10 2022-07-27 Kambara, Masaki Dental health assessment assisting system
GB2602084B (en) * 2020-12-17 2023-05-24 Dyson Technology Ltd Oral treatment device
CN113506301B (zh) * 2021-07-27 2024-02-23 四川九洲电器集团有限责任公司 一种牙齿图像分割方法和装置
KR102620157B1 (ko) * 2021-08-24 2024-01-03 이노디테크 주식회사 치아의 3차원 치아부 스캔 이미지를 통한 치아의 위치 이상 자동 판별 시스템
WO2023018206A1 (ko) * 2021-08-10 2023-02-16 이노디테크 주식회사 3차원의 구강 스캔 데이터에서 치아 객체를 분리하고, 치아의 위치 이상을 자동으로 판별하여 교정 치료 계획을 추천하는 방법, 장치 및 컴퓨터-판독 가능 기록 매체
US20230346514A1 (en) * 2022-05-02 2023-11-02 Align Technology, Inc. Methods and apparatuses for detecting interproximal spaces
CN115393348B (zh) * 2022-10-25 2023-03-24 绵阳富临医院有限公司 一种基于图像识别的烧伤检测方法、系统及存储介质
KR102864366B1 (ko) * 2023-05-09 2025-09-26 이노디테크 주식회사 교정 치료용의 독립된 치아 객체 생성을 위한 3차원 구강 스캔 데이터 가공 방법, 장치 및 컴퓨터-판독가능 기록매체

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08299334A (ja) * 1995-05-01 1996-11-19 Aloka Co Ltd 超音波診断装置
US20050244794A1 (en) * 2004-04-30 2005-11-03 Kemp James H Computer-implemented system and method for automated and highly accurate plaque analysis, reporting, and visualization
US20070248931A1 (en) * 2006-04-21 2007-10-25 Eastman Kodak Company Optical detection of dental caries
US20080011317A1 (en) * 2006-07-12 2008-01-17 Michael Malvar Molded plastic mascara brush
WO2008027323A2 (en) * 2006-08-31 2008-03-06 Carestream Health, Inc. Method for detection of caries
JP2008079792A (ja) * 2006-09-27 2008-04-10 Hitachi Ltd 超音波診断装置
JP2009513249A (ja) * 2005-10-31 2009-04-02 ケアストリーム ヘルス インク う蝕検知の方法およびシステム
JP2009090091A (ja) * 2007-09-18 2009-04-30 Olympus Corp 歯科用観察装置
JP2009172377A (ja) * 2008-01-22 2009-08-06 Carestream Health Inc う蝕状態のリアルタイムの視覚化のための方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE442817B (sv) 1981-04-01 1986-02-03 Hans Ingmar Bjelkhagen Anordning for att okulert kunna faststella en diskrepans i en tandytas luminiscensformaga
US4479499A (en) 1982-01-29 1984-10-30 Alfano Robert R Method and apparatus for detecting the presence of caries in teeth using visible light
CA1288176C (en) * 1987-10-29 1991-08-27 David C. Hatcher Method and apparatus for improving the alignment of radiographic images
NL1012012C2 (nl) 1999-05-10 2000-11-23 Inspektor Res Systems B V Werkwijze en inrichting voor het bepalen van cariÙsactiviteit van een carieuze laesie in een tand.
US7027642B2 (en) 2000-04-28 2006-04-11 Orametrix, Inc. Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects
US20040184643A1 (en) 2003-03-21 2004-09-23 Stantchev Gueorgui H. Methods and apparatus for imaging
WO2004086972A2 (en) * 2003-03-25 2004-10-14 Imaging Therapeutics, Inc. Methods for the compensation of imaging technique in the processing of radiographic images
US20040202356A1 (en) 2003-04-10 2004-10-14 Stookey George K. Optical detection of dental caries
US20040240716A1 (en) 2003-05-22 2004-12-02 De Josselin De Jong Elbert Analysis and display of fluorescence images
FR2856546B1 (fr) 2003-06-17 2005-11-04 Centre Nat Rech Scient Procede et dispositif d'acquisition et de traitement d'images d'un objet tel qu'une dent
US7305111B2 (en) 2004-01-30 2007-12-04 University Of Chicago Automated method and system for the detection of lung nodules in low-dose CT images for lung-cancer screening
US7327880B2 (en) * 2004-03-12 2008-02-05 Siemens Medical Solutions Usa, Inc. Local watershed operators for image segmentation
US7796243B2 (en) * 2004-06-09 2010-09-14 National Research Council Of Canada Detection and monitoring of changes in mineralized tissues or calcified deposits by optical coherence tomography and Raman spectroscopy
US7270543B2 (en) 2004-06-29 2007-09-18 Therametric Technologies, Inc. Handpiece for caries detection
US7773787B2 (en) * 2005-04-19 2010-08-10 Siemens Medical Solutions Usa, Inc. Method and apparatus for detecting blood vessel boundaries using multi-scale mean-shift ray propagation
NZ565509A (en) * 2005-07-18 2011-08-26 Andreas Mandelis Method and apparatus using infrared photothermal radiometry (PTR) and modulated laser luminescence (LUM) for diagnostics of defects in teeth
JP4450776B2 (ja) 2005-07-22 2010-04-14 株式会社日立ハイテクノロジーズ 欠陥検査方法及び外観検査装置
US20070053491A1 (en) * 2005-09-07 2007-03-08 Eastman Kodak Company Adaptive radiation therapy method with target detection
US8447087B2 (en) 2006-09-12 2013-05-21 Carestream Health, Inc. Apparatus and method for caries detection
US20080062429A1 (en) * 2006-09-12 2008-03-13 Rongguang Liang Low coherence dental oct imaging
US8270689B2 (en) 2006-09-12 2012-09-18 Carestream Health, Inc. Apparatus for caries detection
US8224045B2 (en) 2007-01-17 2012-07-17 Carestream Health, Inc. System for early detection of dental caries
US8712139B2 (en) 2008-03-21 2014-04-29 General Electric Company Methods and systems for automated segmentation of dense cell populations
GB0812937D0 (en) 2008-07-16 2008-08-20 Whitelaw Matthew Tidal drag line
KR101574376B1 (ko) 2009-01-20 2015-12-03 케어스트림 헬스 인코포레이티드 우식을 탐지하는 방법 및 장치
US8768016B2 (en) * 2009-06-19 2014-07-01 Carestream Health, Inc. Method for quantifying caries
US8908936B2 (en) 2009-10-14 2014-12-09 Carestream Health, Inc. Method for extracting a carious lesion area
US8311302B2 (en) 2010-12-13 2012-11-13 Carestream Health, Inc. Method for identification of dental caries in polychromatic images

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08299334A (ja) * 1995-05-01 1996-11-19 Aloka Co Ltd 超音波診断装置
US20050244794A1 (en) * 2004-04-30 2005-11-03 Kemp James H Computer-implemented system and method for automated and highly accurate plaque analysis, reporting, and visualization
JP2009513249A (ja) * 2005-10-31 2009-04-02 ケアストリーム ヘルス インク う蝕検知の方法およびシステム
US20070248931A1 (en) * 2006-04-21 2007-10-25 Eastman Kodak Company Optical detection of dental caries
US20080011317A1 (en) * 2006-07-12 2008-01-17 Michael Malvar Molded plastic mascara brush
WO2008027323A2 (en) * 2006-08-31 2008-03-06 Carestream Health, Inc. Method for detection of caries
JP2008079792A (ja) * 2006-09-27 2008-04-10 Hitachi Ltd 超音波診断装置
JP2009090091A (ja) * 2007-09-18 2009-04-30 Olympus Corp 歯科用観察装置
JP2009172377A (ja) * 2008-01-22 2009-08-06 Carestream Health Inc う蝕状態のリアルタイムの視覚化のための方法

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
CSNG200400446003; 村瀬 曜子 Ｙｏｋｏ Ｍｕｒａｓｅ: '画像処理による皮膚腫瘍の分類の検討 Ｃｌａｓｓｉｆｉｃａｔｉｏｎ ｏｆ Ｓｋｉｎ Ｔｕｍｏｒ ｕｓｉｎｇ Ｉｍａｇｅ Ｐｒｏｃｅｓｓｉｎｇ' 電気学会論文誌Ｃ Ｖｏｌ．１２２-Ｃ Ｎｏ．１０ Ｔｈｅ Ｔｒａｎｓａｃｔｉｏｎｓ ｏｆ Ｔｈｅ Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｅｌｅｃｔｒｉｃａｌ Ｅｎ 第１２２-Ｃ巻, 20021001, ｐ．１７１３-１７２０, （社）電気学会 Ｔｈｅ Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｅｌｅｃｔｒｉｃａｌ Ｅｎｇｉｎｅ *
CSNG200500334023; 橘 理恵 Ｒｉｅ ＴＡＣＨＩＢＡＮＡ: '胸部Ｘ線ＣＴ像を用いた小型肺腫瘤の領域抽出 Ｓｅｇｍｅｎｔａｔｉｏｎ ｏｆ Ｓｍａｌｌ Ｐｕｌｍｏｎａｒｙ Ｎｏｄｕｌｅｓ ｏｎ Ｔｈｏｒａｃｉｃ ＣＴ Ｉ' 電子情報通信学会論文誌 （Ｊ８７-Ｄ-ＩＩ） 第１号 ＴＨＥ ＩＥＩＣＥ ＴＲＡＮＳＡＣＴＩＯＮＳ ＯＮ ＩＮＦＯＲＭＡＴＩＯＮ ＡＮＤ ＳＹＳＴ 第Ｊ８７-Ｄ-ＩＩ巻, 20040101, ｐ．２２８-２３６, 社団法人電子情報通信学会 ＴＨＥ ＩＮＳＴＩＴＵＴＥ ＯＦ ＥＬＥＣＴＲＯ *
JPN6014014694; Ｍｏｋｈｔａｒｉ　ｅｔ　ａｌ．: '"Ｆｅａｔｕｒｅ　ｄｅｔｅｃｔｉｏｎ　ｏｎ　３-Ｄ　ｉｍａｇｅｓ　ｏｆ　ｄｅｎｔａｌ　ｉｍｐｒｉｎｔｓ　"' ＩＥＥＥ　Ｗｏｒｋｓｈｏｐ　ｏｎ　Ｂｉｏｍｅｄｉｃａｌ　Ｉｍａｇｅ　Ａｎａｌｙｓｉｓ , 1994, ｐ．２８７　-　２９６ *
JPN6015000965; 村瀬 曜子 Ｙｏｋｏ Ｍｕｒａｓｅ: '画像処理による皮膚腫瘍の分類の検討 Ｃｌａｓｓｉｆｉｃａｔｉｏｎ ｏｆ Ｓｋｉｎ Ｔｕｍｏｒ ｕｓｉｎｇ Ｉｍａｇｅ Ｐｒｏｃｅｓｓｉｎｇ' 電気学会論文誌Ｃ Ｖｏｌ．１２２-Ｃ Ｎｏ．１０ Ｔｈｅ Ｔｒａｎｓａｃｔｉｏｎｓ ｏｆ Ｔｈｅ Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｅｌｅｃｔｒｉｃａｌ Ｅｎ 第１２２-Ｃ巻, 20021001, ｐ．１７１３-１７２０, （社）電気学会 Ｔｈｅ Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｅｌｅｃｔｒｉｃａｌ Ｅｎｇｉｎｅ *
JPN6015000968; 橘 理恵 Ｒｉｅ ＴＡＣＨＩＢＡＮＡ: '胸部Ｘ線ＣＴ像を用いた小型肺腫瘤の領域抽出 Ｓｅｇｍｅｎｔａｔｉｏｎ ｏｆ Ｓｍａｌｌ Ｐｕｌｍｏｎａｒｙ Ｎｏｄｕｌｅｓ ｏｎ Ｔｈｏｒａｃｉｃ ＣＴ Ｉ' 電子情報通信学会論文誌 （Ｊ８７-Ｄ-ＩＩ） 第１号 ＴＨＥ ＩＥＩＣＥ ＴＲＡＮＳＡＣＴＩＯＮＳ ＯＮ ＩＮＦＯＲＭＡＴＩＯＮ ＡＮＤ ＳＹＳＴ 第Ｊ８７-Ｄ-ＩＩ巻, 20040101, ｐ．２２８-２３６, 社団法人電子情報通信学会 ＴＨＥ ＩＮＳＴＩＴＵＴＥ ＯＦ ＥＬＥＣＴＲＯ *
JPN7014001122; ＰＲＥＴＴＹ　Ｉ　Ａ　ＥＴ　ＡＬ: '"Ｑｕａｎｔｉｆｉｃａｔｉｏｎ　ｏｆ　ｄｅｎｔａｌ　ｐｌａｑｕｅ　ｉｎ　ｔｈｅ　ｒｅｓｅａｒｃｈ　ｅｎｖｉｒｏｎｍｅｎｔ"' ＪＯＵＲＮＡＬ　ＯＦ　ＤＥＮＴＩＳＴＲＹ ｖｏｌ．　３３, 2005, ｐ．１９３　-　２０７ *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9958388B2 (en) 2015-08-28 2018-05-01 Panasonic Intellectual Property Management Co., Ltd. Imaging apparatus and imaging method
WO2017099990A1 (en) * 2015-12-10 2017-06-15 3M Innovative Properties Company Method for automatic tooth type recognition from 3d scans

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US9235901B2 (en) 2016-01-12
EP2312529B1 (en) 2013-01-23
EP2312529A3 (en) 2011-07-06
KR20110040736A (ko) 2011-04-20
EP2312529A2 (en) 2011-04-20
US20110085715A1 (en) 2011-04-14

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