JP6412361B2 - 内視鏡用撮像装置 - Google Patents
内視鏡用撮像装置 Download PDFInfo
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- JP6412361B2 JP6412361B2 JP2014155077A JP2014155077A JP6412361B2 JP 6412361 B2 JP6412361 B2 JP 6412361B2 JP 2014155077 A JP2014155077 A JP 2014155077A JP 2014155077 A JP2014155077 A JP 2014155077A JP 6412361 B2 JP6412361 B2 JP 6412361B2
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- 238000003384 imaging method Methods 0.000 title claims description 23
- 230000015654 memory Effects 0.000 claims description 82
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- A61B1/04—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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
-
- 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
- H04N23/60—Control of cameras or camera modules
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/843—Demosaicing, e.g. interpolating colour pixel values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
-
- 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
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/713—Transfer or readout registers; Split readout registers or multiple readout registers
-
- 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
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/73—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors using interline transfer [IT]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Multimedia (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Computer Graphics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Endoscopes (AREA)
- Studio Devices (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Closed-Circuit Television Systems (AREA)
Description
A4=w1・L1+w2・L2+w3・L3+w4・L4
ここで、補間ラインデータA4とラインデータLnとの距離をxnとすると、係数w1、w2、w3、及びw4は以下の式により求められる。
|xn|≦1.0の場合
wn(xn)=(a+2)・|xn3|−(a+3)・|xn2|+1
1.0≦|xn|<2の場合
wn(xn)=a・|xn3|−5a・xn2+8・a|xn|−4a
2.0≦|xn|の場合
wn(xn)=0
101 撮像素子
102 CCD駆動回路
103 映像処理回路
104 スコープタイミングコントローラ
105 補間処理部
106 ラインメモリ
107 前段信号処理回路
108 後段信号処理回路
109 セレクタ
110 信号線
111 セレクト信号線
120 スコープ
122 アンプ
123 アナログ信号処理回路
124 マスク処理回路
125 スコープシステムコントローラ
126 スコープメモリ
127 ライトガイドファイバ
130 内視鏡プロセッサ
131 プロセッサシステムコントローラ
132 プロセッサタイミングコントローラ
133 信号処理部
134 フロントパネル
135 モータ
137 集光レンズ
138 光源
150 モニタ
200 内視鏡システム
Claims (5)
- 1フレームの画像の一部を構成するラインデータを間欠的に出力する撮像素子と、
前記撮像素子が出力した前記ラインデータを記憶する記憶部と、
前記ラインデータを用いて前記画像を拡大して、通常画像に存在するラインデータと、通常画像に存在せず拡大画像に存在する補間ラインデータとを備えた拡大画像を作成する補間処理部とを備え、
前記記憶部が、N(Nは整数)個のラインメモリを有し、
前記記憶部に入力されたラインデータは、N個のラインメモリに順次シフトしながら記憶され、
前記補間処理部は、前記撮像素子からラインデータが出力されるとき、前記記憶部に入力されるラインデータと、N−1個のラインメモリに記憶されているラインデータとを用いて補間ラインデータを作成し、前記撮像素子からラインデータが出力されないとき、N個のラインメモリに記憶されているラインデータを用いて補間ラインデータを作成する内視鏡用撮像装置。 - 1つの補間ラインデータを作成する期間と同じ期間だけ、前記撮像素子がラインデータを出力しない請求項1に記載の内視鏡用撮像装置。
- マスク信号を第2の周期で出力するマスク信号生成部と、
パルス信号を第1の周期で前記撮像素子に出力し、前記マスク信号を受信したときに前記パルス信号を前記撮像素子に出力しないCCD駆動信号生成部とをさらに備える請求項1又は2に記載の内視鏡用撮像装置。 - 前記記憶部は、4つのラインメモリを有し、
前記補間処理部は、4つのラインデータを用いて補間ラインデータを作成する請求項1から3のいずれかに記載の内視鏡用撮像装置。 - 前記撮像素子はCCDであって、パルス信号を受信したときに垂直転送を行って前記ラインデータを出力し、パルス信号を受信していないときは垂直転送を行なわず前記ラインデータを出力しない請求項1から4のいずれかに記載の内視鏡用撮像装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014155077A JP6412361B2 (ja) | 2014-07-30 | 2014-07-30 | 内視鏡用撮像装置 |
US14/807,087 US9978122B2 (en) | 2014-07-30 | 2015-07-23 | Electronic endoscope |
EP15178626.6A EP2981067B1 (en) | 2014-07-30 | 2015-07-28 | Electronic endoscope |
CN201510455100.8A CN105323505B (zh) | 2014-07-30 | 2015-07-29 | 电子内窥镜 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014155077A JP6412361B2 (ja) | 2014-07-30 | 2014-07-30 | 内視鏡用撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016030157A JP2016030157A (ja) | 2016-03-07 |
JP6412361B2 true JP6412361B2 (ja) | 2018-10-24 |
Family
ID=53835277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014155077A Active JP6412361B2 (ja) | 2014-07-30 | 2014-07-30 | 内視鏡用撮像装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9978122B2 (ja) |
EP (1) | EP2981067B1 (ja) |
JP (1) | JP6412361B2 (ja) |
CN (1) | CN105323505B (ja) |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2933165B2 (ja) * | 1988-01-08 | 1999-08-09 | オリンパス光学工業株式会社 | 電子内視鏡装置 |
KR920006956B1 (en) | 1988-04-12 | 1992-08-22 | Matsushita Electric Ind Co Ltd | Image pickup apparatus |
JPH0767154B2 (ja) | 1988-04-12 | 1995-07-19 | 松下電器産業株式会社 | 撮像装置 |
JP2913797B2 (ja) | 1990-08-10 | 1999-06-28 | ソニー株式会社 | 画像拡縮処理方法 |
US5532742A (en) * | 1992-07-22 | 1996-07-02 | Matsushita Electric Industrial Co., Ltd. | Image pickup apparatus with horizontal line interpolation function having three image pickup units shifted in vertical phase from one another |
EP0644687B1 (en) * | 1993-09-17 | 2003-12-03 | Canon Kabushiki Kaisha | Image pickup apparatus |
JP4149591B2 (ja) * | 1998-12-14 | 2008-09-10 | 富士フイルム株式会社 | 固体撮像装置 |
JP3922890B2 (ja) | 2001-03-30 | 2007-05-30 | フジノン株式会社 | 電子内視鏡装置 |
US7084923B2 (en) | 2003-10-28 | 2006-08-01 | Clairvoyante, Inc | Display system having improved multiple modes for displaying image data from multiple input source formats |
JP4868959B2 (ja) * | 2006-06-29 | 2012-02-01 | オリンパスメディカルシステムズ株式会社 | 体腔内プローブ装置 |
JP2008104535A (ja) | 2006-10-24 | 2008-05-08 | Pentax Corp | 電子内視鏡装置 |
JP4953759B2 (ja) | 2006-10-27 | 2012-06-13 | Hoya株式会社 | 電子内視鏡装置 |
JP2008113177A (ja) | 2006-10-30 | 2008-05-15 | Pentax Corp | 電子内視鏡装置 |
JP2008110004A (ja) | 2006-10-30 | 2008-05-15 | Pentax Corp | 電子内視鏡装置 |
US8005995B2 (en) * | 2007-08-16 | 2011-08-23 | Micron Technology, Inc. | Command interface systems and methods |
JP2009136459A (ja) * | 2007-12-05 | 2009-06-25 | Hoya Corp | ノイズ除去システム、内視鏡プロセッサ、および内視鏡システム |
JP5244644B2 (ja) * | 2008-03-07 | 2013-07-24 | オリンパス株式会社 | 固体撮像装置及びその応用装置 |
JP5267587B2 (ja) * | 2011-01-31 | 2013-08-21 | 株式会社リコー | 撮像装置及び撮像方法 |
JP2013077945A (ja) * | 2011-09-30 | 2013-04-25 | Sony Corp | 画像処理装置、補正方法、並びに、撮像装置 |
JP2014128394A (ja) | 2012-12-28 | 2014-07-10 | Hoya Corp | 内視鏡装置 |
-
2014
- 2014-07-30 JP JP2014155077A patent/JP6412361B2/ja active Active
-
2015
- 2015-07-23 US US14/807,087 patent/US9978122B2/en active Active
- 2015-07-28 EP EP15178626.6A patent/EP2981067B1/en active Active
- 2015-07-29 CN CN201510455100.8A patent/CN105323505B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20160035064A1 (en) | 2016-02-04 |
CN105323505A (zh) | 2016-02-10 |
US9978122B2 (en) | 2018-05-22 |
CN105323505B (zh) | 2019-06-14 |
EP2981067A1 (en) | 2016-02-03 |
EP2981067B1 (en) | 2017-12-06 |
JP2016030157A (ja) | 2016-03-07 |
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