JP2007054342A - 電子内視鏡システム - Google Patents
電子内視鏡システム Download PDFInfo
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- JP2007054342A JP2007054342A JP2005243793A JP2005243793A JP2007054342A JP 2007054342 A JP2007054342 A JP 2007054342A JP 2005243793 A JP2005243793 A JP 2005243793A JP 2005243793 A JP2005243793 A JP 2005243793A JP 2007054342 A JP2007054342 A JP 2007054342A
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- 238000003384 imaging method Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000002073 fluorescence micrograph Methods 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 26
- 238000010586 diagram Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/043—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances for fluorescence imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/045—Control thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Endoscopes (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
【解決手段】 内視鏡システム10は、内視鏡スコープ11と、プロセッサ20を備える。内視鏡スコープ11の先端部11aに撮像素子14を設ける。撮像素子14は、所定のシャッタースピードで露光され、先端部11aで得られる被写体像又は蛍光像に対応する映像信号を生成する。撮像素子14は、所定のシャッタースピードより速い高速シャッタースピードで露光され、黒色画像に相当する黒色映像信号を生成する。プロセッサ20に設けられたブラックバランス調整回路42は、黒色映像信号を用いて、映像信号のブラックバランス調整を行なうための調整基準値を取得する。
【選択図】 図1
Description
図1は、本実施形態に係る内視鏡システムのブロック図である。図1に示すように、内視鏡システム10は、プロセッサ20に内視鏡スコープ11及びモニタ46が接続されて構成される。
11 内視鏡スコープ
14 撮像素子
20 プロセッサ
21 白色光光源
31 励起用光源
41 前段信号処理回路
42 ブラックバランス調整回路
43 後段信号処理回路
50 画像処理ブロック
B 黒色画像
PR 部分領域
Claims (7)
- 内視鏡スコープの先端部に設けられ、所定のシャッタースピードで露光されることにより、前記先端部で得られる光学像に対応する映像信号を生成する撮像素子と、
前記撮像素子を前記所定のシャッタースピードより速い高速シャッタースピードで露光させることにより、黒色画像に相当する黒色映像信号を生成させ、この黒色映像信号を用いて、前記映像信号のブラックバランス調整を行なうための調整基準値を取得するブラックバランス取得手段と
を備えることを特徴とする電子内視鏡システム。 - 光源からの照射光を前記先端部まで伝送し、前記先端部から被写体に向けて照射させる光照射手段を備え、
前記照射光が前記先端部から照射される間に、前記撮像素子が、前記所定のシャッタースピードで露光され、前記照射光が照射された被写体に対応する映像信号が生成され、
前記光照射手段が前記照射光を前記先端部から照射しない間に、前記撮像素子が前記高速シャッタースピードで露光され、前記黒色映像信号が生成されることを特徴とする請求項1に記載の電子内視鏡システム。 - 前記ブラックバランス取得手段は、前記黒色画像のうち、一部の領域に相当する前記黒色映像信号を用いて前記調整基準値を取得することを特徴とする請求項1に記載の電子内視鏡システム。
- 前記ブラックバランス取得手段は、前記黒色画像の複数の異なる領域の黒色映像信号の輝度値を比較し、輝度値が最も低い領域の前記黒色映像信号を用いて前記調整基準値を取得することを特徴とする請求項3に記載の電子内視鏡システム。
- 前記黒色画像は、1フィールド分または1フレーム分の黒色映像信号に基づく画像、または2フレーム以上分の黒色映像信号の平均値によって生成される1フレーム分の画像であることを特徴とする請求項1に記載の電子内視鏡システム。
- 前記高速シャッタースピードは、1/1000秒以下であることを特徴とする請求項1に記載の電子内視鏡システム。
- 前記映像信号に、前記調整基準値に基づいてブラックバランス調整を行うブラックバランス調整手段をさらに備えることを特徴とする電子内視鏡システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005243793A JP4731248B2 (ja) | 2005-08-25 | 2005-08-25 | 電子内視鏡システム |
US11/466,904 US7728867B2 (en) | 2005-08-25 | 2006-08-24 | Electronic endoscope system |
DE102006039932A DE102006039932A1 (de) | 2005-08-25 | 2006-08-25 | Elektronisches Endoskopsystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005243793A JP4731248B2 (ja) | 2005-08-25 | 2005-08-25 | 電子内視鏡システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007054342A true JP2007054342A (ja) | 2007-03-08 |
JP4731248B2 JP4731248B2 (ja) | 2011-07-20 |
Family
ID=37715752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005243793A Expired - Fee Related JP4731248B2 (ja) | 2005-08-25 | 2005-08-25 | 電子内視鏡システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US7728867B2 (ja) |
JP (1) | JP4731248B2 (ja) |
DE (1) | DE102006039932A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013098590A (ja) * | 2011-10-27 | 2013-05-20 | Canon Inc | 撮像装置およびその制御方法 |
JP2014069020A (ja) * | 2012-10-02 | 2014-04-21 | Hoya Corp | 内視鏡システムおよび内視鏡用プロセッサ |
JP2016209001A (ja) * | 2015-04-28 | 2016-12-15 | Hoya株式会社 | 内視鏡装置および内視鏡システム |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4415162B2 (ja) * | 2004-10-20 | 2010-02-17 | 富士フイルム株式会社 | 電子内視鏡装置 |
JP5124102B2 (ja) * | 2006-05-16 | 2013-01-23 | Hoya株式会社 | 内視鏡プロセッサ、画像処理プログラム、および内視鏡システム |
JP2009201940A (ja) * | 2008-02-29 | 2009-09-10 | Hoya Corp | 内視鏡光源システム、内視鏡光源装置、内視鏡プロセッサ、および内視鏡ユニット |
US20100053314A1 (en) * | 2008-08-29 | 2010-03-04 | General Electric Company | Integration of imaging equipment into operating room equipment |
AU2009318141B2 (en) * | 2008-11-18 | 2014-05-22 | Stryker Corporation | Endoscopic LED light source having a feedback control system |
US10165929B2 (en) | 2009-06-18 | 2019-01-01 | Endochoice, Inc. | Compact multi-viewing element endoscope system |
WO2012077116A1 (en) | 2010-12-09 | 2012-06-14 | Peermedical Ltd. | Flexible electronic circuit board for a multi-camera endoscope |
EP2442706B1 (en) | 2009-06-18 | 2014-11-12 | EndoChoice Innovation Center Ltd. | Multi-camera endoscope |
US11278190B2 (en) | 2009-06-18 | 2022-03-22 | Endochoice, Inc. | Multi-viewing element endoscope |
US9706903B2 (en) | 2009-06-18 | 2017-07-18 | Endochoice, Inc. | Multiple viewing elements endoscope system with modular imaging units |
US9713417B2 (en) | 2009-06-18 | 2017-07-25 | Endochoice, Inc. | Image capture assembly for use in a multi-viewing elements endoscope |
US9901244B2 (en) | 2009-06-18 | 2018-02-27 | Endochoice, Inc. | Circuit board assembly of a multiple viewing elements endoscope |
US9101268B2 (en) | 2009-06-18 | 2015-08-11 | Endochoice Innovation Center Ltd. | Multi-camera endoscope |
US11864734B2 (en) | 2009-06-18 | 2024-01-09 | Endochoice, Inc. | Multi-camera endoscope |
US9642513B2 (en) | 2009-06-18 | 2017-05-09 | Endochoice Inc. | Compact multi-viewing element endoscope system |
WO2012056453A2 (en) | 2010-10-28 | 2012-05-03 | Peermedical Ltd. | Optical systems for multi-sensor endoscopes |
US11547275B2 (en) | 2009-06-18 | 2023-01-10 | Endochoice, Inc. | Compact multi-viewing element endoscope system |
US9402533B2 (en) | 2011-03-07 | 2016-08-02 | Endochoice Innovation Center Ltd. | Endoscope circuit board assembly |
US8926502B2 (en) | 2011-03-07 | 2015-01-06 | Endochoice, Inc. | Multi camera endoscope having a side service channel |
US9101287B2 (en) | 2011-03-07 | 2015-08-11 | Endochoice Innovation Center Ltd. | Multi camera endoscope assembly having multiple working channels |
US9872609B2 (en) | 2009-06-18 | 2018-01-23 | Endochoice Innovation Center Ltd. | Multi-camera endoscope |
US9492063B2 (en) | 2009-06-18 | 2016-11-15 | Endochoice Innovation Center Ltd. | Multi-viewing element endoscope |
US9560953B2 (en) | 2010-09-20 | 2017-02-07 | Endochoice, Inc. | Operational interface in a multi-viewing element endoscope |
EP2618718B1 (en) | 2010-09-20 | 2020-04-15 | EndoChoice Innovation Center Ltd. | Multi-camera endoscope having fluid channels |
EP3747343A1 (en) | 2010-12-09 | 2020-12-09 | EndoChoice, Inc. | Flexible electronic circuit board multi-camera endoscope |
US11889986B2 (en) | 2010-12-09 | 2024-02-06 | Endochoice, Inc. | Flexible electronic circuit board for a multi-camera endoscope |
EP3228236A1 (en) | 2011-02-07 | 2017-10-11 | Endochoice Innovation Center Ltd. | Multi-element cover for a multi-camera endoscope |
CA2798729A1 (en) | 2011-12-13 | 2013-06-13 | Peermedical Ltd. | Rotatable connector for an endoscope |
EP3659491A1 (en) | 2011-12-13 | 2020-06-03 | EndoChoice Innovation Center Ltd. | Removable tip endoscope |
US9560954B2 (en) | 2012-07-24 | 2017-02-07 | Endochoice, Inc. | Connector for use with endoscope |
US9993142B2 (en) | 2013-03-28 | 2018-06-12 | Endochoice, Inc. | Fluid distribution device for a multiple viewing elements endoscope |
US9986899B2 (en) | 2013-03-28 | 2018-06-05 | Endochoice, Inc. | Manifold for a multiple viewing elements endoscope |
US10499794B2 (en) | 2013-05-09 | 2019-12-10 | Endochoice, Inc. | Operational interface in a multi-viewing element endoscope |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0591530A (ja) * | 1991-09-30 | 1993-04-09 | Sony Corp | 固体撮像装置 |
JP2000092509A (ja) * | 1998-09-11 | 2000-03-31 | Eastman Kodak Japan Ltd | オートホワイトバランス装置 |
JP2000236555A (ja) * | 1999-02-12 | 2000-08-29 | Fuji Photo Optical Co Ltd | 電子内視鏡装置 |
JP2004086031A (ja) * | 2002-08-28 | 2004-03-18 | Olympus Corp | 顕微鏡用撮像装置、顕微鏡用撮像方法、及び顕微鏡用撮像プログラム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03165733A (ja) * | 1989-11-27 | 1991-07-17 | Ikegami Tsushinki Co Ltd | 電子内視鏡装置 |
US5479204A (en) * | 1990-08-28 | 1995-12-26 | Fuji Photo Film Co., Ltd. | Negative-image signal processing apparatus |
JP3037140B2 (ja) * | 1996-06-13 | 2000-04-24 | 日本電気オフィスシステム株式会社 | デジタルカメラ |
JPH11197103A (ja) | 1998-01-13 | 1999-07-27 | Fuji Photo Optical Co Ltd | 電子内視鏡装置 |
JP3869698B2 (ja) | 2001-10-23 | 2007-01-17 | ペンタックス株式会社 | 電子内視鏡装置 |
-
2005
- 2005-08-25 JP JP2005243793A patent/JP4731248B2/ja not_active Expired - Fee Related
-
2006
- 2006-08-24 US US11/466,904 patent/US7728867B2/en not_active Expired - Fee Related
- 2006-08-25 DE DE102006039932A patent/DE102006039932A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0591530A (ja) * | 1991-09-30 | 1993-04-09 | Sony Corp | 固体撮像装置 |
JP2000092509A (ja) * | 1998-09-11 | 2000-03-31 | Eastman Kodak Japan Ltd | オートホワイトバランス装置 |
JP2000236555A (ja) * | 1999-02-12 | 2000-08-29 | Fuji Photo Optical Co Ltd | 電子内視鏡装置 |
JP2004086031A (ja) * | 2002-08-28 | 2004-03-18 | Olympus Corp | 顕微鏡用撮像装置、顕微鏡用撮像方法、及び顕微鏡用撮像プログラム |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013098590A (ja) * | 2011-10-27 | 2013-05-20 | Canon Inc | 撮像装置およびその制御方法 |
JP2014069020A (ja) * | 2012-10-02 | 2014-04-21 | Hoya Corp | 内視鏡システムおよび内視鏡用プロセッサ |
JP2016209001A (ja) * | 2015-04-28 | 2016-12-15 | Hoya株式会社 | 内視鏡装置および内視鏡システム |
Also Published As
Publication number | Publication date |
---|---|
US20070046798A1 (en) | 2007-03-01 |
JP4731248B2 (ja) | 2011-07-20 |
US7728867B2 (en) | 2010-06-01 |
DE102006039932A1 (de) | 2007-03-01 |
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