JP2008073158A - 画像処理装置 - Google Patents
画像処理装置 Download PDFInfo
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- JP2008073158A JP2008073158A JP2006254460A JP2006254460A JP2008073158A JP 2008073158 A JP2008073158 A JP 2008073158A JP 2006254460 A JP2006254460 A JP 2006254460A JP 2006254460 A JP2006254460 A JP 2006254460A JP 2008073158 A JP2008073158 A JP 2008073158A
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- 238000012545 processing Methods 0.000 claims abstract description 41
- 238000004458 analytical method Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims description 19
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 21
- 238000011156 evaluation Methods 0.000 description 18
- 238000003384 imaging method Methods 0.000 description 14
- 238000000605 extraction Methods 0.000 description 10
- 238000004040 coloring Methods 0.000 description 7
- 238000004737 colorimetric analysis Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 210000004195 gingiva Anatomy 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/508—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors measuring the colour of teeth
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/12—Edge-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Quality & Reliability (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Image Processing (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Endoscopes (AREA)
Abstract
【解決手段】画像記憶部31は、入力された画像データを記憶する。輪郭検出部32は、画像データに基づいて、画像における測色対象の歯の輪郭を検出する。正反射領域検出部33は、画像を構成する各画素のデータに基づいて、測色対象の歯の画像における正反射領域の位置を検出する。矩形領域設定部34は、正反射領域検出部33によって検出された正反射領域の位置に基づいて、解析処理の対象となる解析領域を画像に設定する。
【選択図】図1
Description
Claims (6)
- 画像内の解析領域のデータに基づいて前記画像の解析処理を行う画像処理装置において、
画像を構成する各画素のデータに基づいて、前記画像における正反射領域の位置を検出する領域検出手段と、
検出された前記正反射領域の位置に基づいて前記解析領域を設定する領域設定手段と、
を備えたことを特徴とする画像処理装置。 - 前記領域設定手段は、前記正反射領域と前記解析領域が重ならないように前記解析領域を設定することを特徴とする請求項1に記載の画像処理装置。
- 前記領域設定手段は、予め設定された所定領域を前記画像内で移動させることによって前記解析領域を設定することを特徴とする請求項2に記載の画像処理装置。
- 前記領域設定手段は、予め設定された所定領域の大きさを変更することによって前記解析領域を設定することを特徴とする請求項2または請求項3に記載の画像処理装置。
- 前記領域検出手段は、前記各画素のデータの示す値がしきい値を超えた場合に、該データに係る画素を前記正反射領域内の画素として検出することを特徴とする請求項1〜請求項4のいずれかに記載の画像処理装置。
- 前記領域検出手段は、前記各画素のデータの統計量に基づいて前記しきい値を設定することを特徴とする請求項5に記載の画像処理装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006254460A JP5073996B2 (ja) | 2006-09-20 | 2006-09-20 | 画像処理装置 |
EP07018096A EP1903502A3 (en) | 2006-09-20 | 2007-09-14 | Image analysis taking account of the position of a specular reflection in the image |
US11/901,474 US8285039B2 (en) | 2006-09-20 | 2007-09-17 | Image processor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006254460A JP5073996B2 (ja) | 2006-09-20 | 2006-09-20 | 画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008073158A true JP2008073158A (ja) | 2008-04-03 |
JP5073996B2 JP5073996B2 (ja) | 2012-11-14 |
Family
ID=38834467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006254460A Expired - Fee Related JP5073996B2 (ja) | 2006-09-20 | 2006-09-20 | 画像処理装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8285039B2 (ja) |
EP (1) | EP1903502A3 (ja) |
JP (1) | JP5073996B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010051349A (ja) * | 2008-08-26 | 2010-03-11 | Hitachi Medical Computer Systems Inc | 医用画像診断支援装置及び医用画像診断支援プログラム |
KR101930049B1 (ko) | 2014-11-28 | 2018-12-17 | 한국전자통신연구원 | 관심 객체 기반 병렬 영상 분석 장치 및 그 방법 |
JP2022130308A (ja) * | 2021-02-18 | 2022-09-06 | イボクラール ビバデント アクチェンゲゼルシャフト | 歯色を判定する方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5073996B2 (ja) * | 2006-09-20 | 2012-11-14 | オリンパス株式会社 | 画像処理装置 |
JP5780053B2 (ja) * | 2011-08-22 | 2015-09-16 | 富士通株式会社 | 生体認証装置、生体認証方法、及びプログラム |
US9901256B2 (en) | 2012-01-20 | 2018-02-27 | University Of Washington Through Its Center For Commercialization | Dental demineralization detection, methods and systems |
US9462545B2 (en) | 2013-03-14 | 2016-10-04 | Ford Global Technologies, Llc | Method and apparatus for a battery saver utilizing a sleep and vacation strategy |
US10080484B2 (en) | 2014-01-31 | 2018-09-25 | University Of Washington | Multispectral wide-field endoscopic imaging of fluorescence |
WO2016176209A1 (en) | 2015-04-28 | 2016-11-03 | Dolby Laboratories Licensing Corporation | Image highlight detection and rendering |
DE102016220290A1 (de) * | 2016-10-18 | 2018-04-19 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Erkennen eines direkten Lichtreflexionsstrahls von einem Objekt auf einen Lichtsensor |
WO2018081637A1 (en) | 2016-10-28 | 2018-05-03 | University Of Washington | System and method for ranking bacterial activity leading to tooth and gum disease |
CN108169175B (zh) * | 2016-12-08 | 2022-07-26 | 松下知识产权经营株式会社 | 光检测系统 |
JPWO2022065038A1 (ja) * | 2020-09-25 | 2022-03-31 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05314257A (ja) * | 1992-05-06 | 1993-11-26 | Fujitsu Ltd | 画像処理装置及びロボット制御装置 |
JPH09210785A (ja) * | 1996-02-02 | 1997-08-15 | Tokai Carbon Co Ltd | 木材欠陥部の検出方法 |
JP2000242791A (ja) * | 1999-02-23 | 2000-09-08 | Mitsubishi Heavy Ind Ltd | 画像処理方法 |
JP2001066187A (ja) * | 1999-08-27 | 2001-03-16 | Matsushita Electric Works Ltd | 色彩検査方法 |
JP2002163649A (ja) * | 2000-10-16 | 2002-06-07 | Xerox Corp | デジタル画像処理方法 |
JP2004077501A (ja) * | 2003-12-01 | 2004-03-11 | Olympus Corp | 色分類装置 |
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US4126395A (en) * | 1977-05-25 | 1978-11-21 | Solid Photography, Inc. | Method for determining the spatial location of points on a specular surface |
US6054846A (en) | 1994-02-18 | 2000-04-25 | Ergo Mechanical Systems, Incorporated | Universal power-supply connection system for multiple electronic devices, and devices for use therewith |
US5766006A (en) * | 1995-06-26 | 1998-06-16 | Murljacic; Maryann Lehmann | Tooth shade analyzer system and methods |
US6061091A (en) * | 1996-05-30 | 2000-05-09 | Agfa Gevaert N.V. | Detection of and correction for specular reflections in digital image acquisition |
US6331113B1 (en) * | 1999-01-21 | 2001-12-18 | Dentech, L.L.C. | Automated tooth shade analysis and matching system |
ATE439646T1 (de) * | 1998-11-03 | 2009-08-15 | Shade Analyzing Technologies Inc | System und verfahren zur analyse der farblichen nuancen von zähnen |
JP4230113B2 (ja) | 1998-11-03 | 2009-02-25 | シェード アナライジング テクノロジーズ インコーポレイテッド | 双方向歯科治療ネットワーク |
JP2004506187A (ja) * | 2000-08-07 | 2004-02-26 | ディジタル カラー メジャメント リミテッド | 色合わせシステム |
US6859565B2 (en) * | 2001-04-11 | 2005-02-22 | Hewlett-Packard Development Company, L.P. | Method and apparatus for the removal of flash artifacts |
GB2375676A (en) * | 2001-05-17 | 2002-11-20 | Hewlett Packard Co | Reducing the effects of specular reflections appearing in an image |
CN101332080A (zh) | 2002-07-26 | 2008-12-31 | 奥林巴斯株式会社 | 图像处理系统 |
EP1566142A1 (en) * | 2004-02-19 | 2005-08-24 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Imaging of buried structures |
US7596253B2 (en) * | 2005-10-31 | 2009-09-29 | Carestream Health, Inc. | Method and apparatus for detection of caries |
US7675652B2 (en) * | 2006-02-06 | 2010-03-09 | Microsoft Corporation | Correcting eye color in a digital image |
WO2008022005A2 (en) * | 2006-08-09 | 2008-02-21 | Fotonation Vision Limited | Detection and correction of flash artifacts from airborne particulates |
JP5073996B2 (ja) * | 2006-09-20 | 2012-11-14 | オリンパス株式会社 | 画像処理装置 |
US8320702B2 (en) * | 2006-09-28 | 2012-11-27 | Jadak Technologies, Inc. | System and method for reducing specular reflection |
US8224045B2 (en) * | 2007-01-17 | 2012-07-17 | Carestream Health, Inc. | System for early detection of dental caries |
JP5092738B2 (ja) * | 2007-12-26 | 2012-12-05 | ソニー株式会社 | 画像処理装置及び方法、並びにプログラム |
-
2006
- 2006-09-20 JP JP2006254460A patent/JP5073996B2/ja not_active Expired - Fee Related
-
2007
- 2007-09-14 EP EP07018096A patent/EP1903502A3/en not_active Withdrawn
- 2007-09-17 US US11/901,474 patent/US8285039B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05314257A (ja) * | 1992-05-06 | 1993-11-26 | Fujitsu Ltd | 画像処理装置及びロボット制御装置 |
JPH09210785A (ja) * | 1996-02-02 | 1997-08-15 | Tokai Carbon Co Ltd | 木材欠陥部の検出方法 |
JP2000242791A (ja) * | 1999-02-23 | 2000-09-08 | Mitsubishi Heavy Ind Ltd | 画像処理方法 |
JP2001066187A (ja) * | 1999-08-27 | 2001-03-16 | Matsushita Electric Works Ltd | 色彩検査方法 |
JP2002163649A (ja) * | 2000-10-16 | 2002-06-07 | Xerox Corp | デジタル画像処理方法 |
JP2004077501A (ja) * | 2003-12-01 | 2004-03-11 | Olympus Corp | 色分類装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010051349A (ja) * | 2008-08-26 | 2010-03-11 | Hitachi Medical Computer Systems Inc | 医用画像診断支援装置及び医用画像診断支援プログラム |
KR101930049B1 (ko) | 2014-11-28 | 2018-12-17 | 한국전자통신연구원 | 관심 객체 기반 병렬 영상 분석 장치 및 그 방법 |
JP2022130308A (ja) * | 2021-02-18 | 2022-09-06 | イボクラール ビバデント アクチェンゲゼルシャフト | 歯色を判定する方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1903502A3 (en) | 2012-07-11 |
JP5073996B2 (ja) | 2012-11-14 |
EP1903502A2 (en) | 2008-03-26 |
US20080069482A1 (en) | 2008-03-20 |
US8285039B2 (en) | 2012-10-09 |
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