JPWO2018211755A1 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
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- JPWO2018211755A1 JPWO2018211755A1 JP2018537677A JP2018537677A JPWO2018211755A1 JP WO2018211755 A1 JPWO2018211755 A1 JP WO2018211755A1 JP 2018537677 A JP2018537677 A JP 2018537677A JP 2018537677 A JP2018537677 A JP 2018537677A JP WO2018211755 A1 JPWO2018211755 A1 JP WO2018211755A1
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- 238000003384 imaging method Methods 0.000 title claims abstract description 170
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 21
- 230000037431 insertion Effects 0.000 description 21
- 239000000758 substrate Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- 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
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
-
- 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
- A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
-
- 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
-
- 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
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00018—Operational features of endoscopes characterised by signal transmission using electrical cables
-
- 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
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
- A61B1/0005—Display arrangement combining images e.g. side-by-side, superimposed or tiled
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00193—Optical arrangements adapted for stereoscopic vision
-
- 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
- A61B1/04—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
- A61B1/05—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 characterised by the image sensor, e.g. camera, being in the distal end portion
-
- 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
- G02B23/2407—Optical details
- G02B23/2415—Stereoscopic endoscopes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
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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
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- 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
-
- 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
- G06T2207/10016—Video; Image sequence
- G06T2207/10021—Stereoscopic video; Stereoscopic image sequence
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Studio Devices (AREA)
Abstract
Description
図1は、本発明の第1の実施形態の撮像装置(内視鏡)を含む内視鏡システムの構成を示す図である。なお、本実施形態においては、撮像装置として、固体撮像素子を有し被検体の内部の被写体を撮像する内視鏡を例に挙げて説明する。
次に、第2の実施形態について説明する。
この結果、本実施形態の内視鏡(撮像装置)によれば、第1の実施形態と同様に、順次読み出しを行う複数の撮像素子の同じ位置の画素情報を同じタイミングで読み出すことができる。
次に、第3の実施形態について説明する。
Claims (7)
- 同一の被写体を撮像し、画像をライン毎に順次読み出す複数の撮像素子と、
前記複数の撮像素子への結像画像が、それぞれの撮像素子において結像位置が異なるように結像させる光学系と、
前記複数の撮像素子が撮像した前記被写体の同一位置の複数の有効画像の先頭位置を一致させて読み出すために、前記複数の撮像素子の画像読み出しタイミングを制御するタイミング制御回路と、
を備えることを特徴とする撮像装置。 - 前記タイミング制御回路は、前記複数の撮像素子の画像読み出しタイミングを独立制御する複数の同期信号を生成し、前記複数の有効画素の先頭位置を一致させて読み出すために、前記複数の同期信号を所定時間差ずらして前記複数の撮像素子に供給することを特徴とする請求項1に記載の撮像装置。
- 前記所定時間差をΔt、1フレームにおいて、前記複数の有効画素間の先頭ラインのライン数差をΔL、1フレームの合計ライン数をL、フレームレートをRとした場合、
前記所定時間差Δtは、
Δt=R×ΔL/Lの関係であることを特徴とする請求項2に記載の撮像装置。 - 前記複数の撮像素子は、第1及び第2の撮像素子であって、
前記第1の撮像素子は、オプティカルブラック画素、未使用画素、及び、有効画素の順で読み出した第1の映像データを出力し、
前記第2の撮像素子は、オプティカルブラック画素、有効画素、及び、未使用画素の順で読み出した第2の映像データを出力することを特徴とする請求項1に記載の撮像装置。 - 前記第1の映像データ及び前記第2の映像データの映像フォーマットを一致させる処理を行うラインメモリを有し、
前記ラインメモリは、前記第1の映像データのオプティカルブラック画素を、前記第1の映像データの前記有効画素の直前に付け替える処理を行うことを特徴とする請求項4に記載の撮像装置。 - 前記複数の撮像素子は、第1及び第2の撮像素子であって、
前記第1の撮像素子は、オプティカルブラック画素、及び、有効画素の順で読み出した第1の映像データを出力し、
前記第2の撮像素子は、有効画素、及び、オプティカルブラック画素の順で読み出した第2の映像データを出力することを特徴とする請求項1に記載の撮像装置。 - 前記第1の映像データ及び前記第2の映像データの映像フォーマットを一致させる処理を行うラインメモリを有し、
前記ラインメモリは、1フレーム前の前記第2の映像データのオプティカルブラック画素を、現フレームの前記第2の映像データの有効画素の直前に付け替える処理を行うことを特徴とする請求項6に記載の撮像装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017099553 | 2017-05-19 | ||
JP2017099553 | 2017-05-19 | ||
PCT/JP2018/004636 WO2018211755A1 (ja) | 2017-05-19 | 2018-02-09 | 撮像装置 |
Publications (2)
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JP6489671B1 JP6489671B1 (ja) | 2019-03-27 |
JPWO2018211755A1 true JPWO2018211755A1 (ja) | 2019-06-27 |
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JP2018537677A Active JP6489671B1 (ja) | 2017-05-19 | 2018-02-09 | 撮像装置 |
Country Status (4)
Country | Link |
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US (1) | US11432704B2 (ja) |
JP (1) | JP6489671B1 (ja) |
CN (1) | CN110650669B (ja) |
WO (1) | WO2018211755A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11867897B2 (en) * | 2021-07-06 | 2024-01-09 | Evident Corporation | Insertion assisting instrument and extraction method of insertion portion of endoscope |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4873572A (en) | 1987-02-27 | 1989-10-10 | Olympus Optical Co., Ltd. | Electronic endoscope apparatus |
JPH0820603B2 (ja) * | 1987-02-27 | 1996-03-04 | オリンパス光学工業株式会社 | ビデオスコ−プ装置 |
JPH08294062A (ja) * | 1995-04-24 | 1996-11-05 | Sony Corp | 撮像システム |
JPH115675A (ja) * | 1997-06-16 | 1999-01-12 | Hitachi Building Syst Co Ltd | エレベータ用マグネットブレーキの診断装置 |
JP4016459B2 (ja) * | 1997-08-20 | 2007-12-05 | フジノン株式会社 | 立体内視鏡 |
JP2002306406A (ja) * | 2001-04-10 | 2002-10-22 | Asahi Optical Co Ltd | 電子内視鏡用クランプ回路 |
JP2005525896A (ja) * | 2002-05-16 | 2005-09-02 | シー2キュア インコーポレイティド | 小型カメラヘッド |
JP4891646B2 (ja) * | 2006-04-14 | 2012-03-07 | オリンパスメディカルシステムズ株式会社 | 画像表示装置 |
JP5438635B2 (ja) * | 2010-08-31 | 2014-03-12 | 富士フイルム株式会社 | 電子内視鏡システム |
CN103648364B (zh) * | 2012-03-01 | 2016-05-25 | 奥林巴斯株式会社 | 摄像系统 |
WO2014002732A1 (ja) * | 2012-06-27 | 2014-01-03 | オリンパスメディカルシステムズ株式会社 | 撮像装置および撮像システム |
WO2014017165A1 (ja) * | 2012-07-24 | 2014-01-30 | オリンパスメディカルシステムズ株式会社 | 制御装置および撮像システム |
IN2015MN00019A (ja) * | 2012-07-26 | 2015-10-16 | Olive Medical Corp | |
JP5730339B2 (ja) * | 2013-01-25 | 2015-06-10 | 富士フイルム株式会社 | 立体内視鏡装置 |
WO2016035401A1 (ja) * | 2014-09-03 | 2016-03-10 | オリンパス株式会社 | 内視鏡装置 |
US11257590B2 (en) * | 2017-03-02 | 2022-02-22 | Karl Storz Imaging, Inc. | Method and apparatus for medical devices under regulatory control |
-
2018
- 2018-02-09 JP JP2018537677A patent/JP6489671B1/ja active Active
- 2018-02-09 WO PCT/JP2018/004636 patent/WO2018211755A1/ja active Application Filing
- 2018-02-09 CN CN201880033259.2A patent/CN110650669B/zh active Active
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2019
- 2019-09-20 US US16/576,910 patent/US11432704B2/en active Active
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Publication number | Publication date |
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CN110650669A (zh) | 2020-01-03 |
WO2018211755A1 (ja) | 2018-11-22 |
US11432704B2 (en) | 2022-09-06 |
US20200015667A1 (en) | 2020-01-16 |
CN110650669B (zh) | 2021-07-13 |
JP6489671B1 (ja) | 2019-03-27 |
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