JPWO2016059977A1 - 信号処理装置及び内視鏡システム - Google Patents
信号処理装置及び内視鏡システム Download PDFInfo
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- 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
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- 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
- A61B1/000094—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope extracting biological structures
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- 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
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- 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
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Abstract
Description
以下、本実施形態の変形例について説明する。図5は、変形例の静止画選択部44の構成を示す図である。変形例の静止画選択部44は、ノイズ除去部445と、輪郭抽出部441と、縮小処理部446と、輪郭膨張処理部442と、ズレ量検出部443と、画像選択部444とを有している。このうち、輪郭抽出部441と、輪郭膨張処理部442と、ズレ量検出部443と、画像選択部444は、図1で説明したものと同様の構成である。したがって、説明を省略する。
Claims (8)
- 被写体の時系列の撮像によって生成される複数の画像データを取得し、取得した複数の画像データから輪郭成分を抽出する輪郭抽出部と、
前記輪郭抽出部で抽出された輪郭成分のズレ量を各々が所定数の前記画像データの集まりである複数の画像セットの各々に含まれる画像データ間で比較することにより、各々の前記画像セットに含まれる画像データ間のズレ量を検出するズレ量検出部と、
前記ズレ量検出部の検出結果に基づいて、前記画像セットの中から少なくとも1つの画像セットを選択する画像選択部と、
を具備する信号処理装置。 - 複数の前記画像セットを記憶する記憶部をさらに具備し、
前記画像選択部は、静止画生成指示に基づいて、前記記憶部に記憶された複数の前記画像セットの中から、前記ズレ量の最も小さい画像セットを選択する請求項1に記載の信号処理装置。 - 前記抽出された輪郭成分の膨張処理を行う輪郭膨張処理部を有する請求項1に記載の信号処理装置。
- 前記ズレ量検出部は、前記画像セットに含まれる画像データのうちの2枚の画像データの間で画素毎の差分絶対値を算出し、前記算出した差分絶対値の総和を前記ズレ量として検出する請求項1に記載の信号処理装置。
- 前記輪郭抽出部の前段に設けられ、前記画像データのノイズ成分を除去するノイズ除去部をさらに有する請求項1に記載の信号処理装置。
- 前記輪郭膨張処理部の前段側に設けられ、前記画像データの縮小処理を行う縮小処理部をさらに有する請求項3に記載の信号処理装置。
- 前記縮小処理部は、前記輪郭抽出部の前段側に設けられている請求項6に記載の信号処理装置。
- 被写体の時系列の撮像によって複数の画像データを取得する撮像部と、
前記撮像部で取得された複数の画像データから輪郭成分を抽出する輪郭抽出部と、
前記輪郭抽出部で抽出された輪郭成分のズレ量を各々が所定数の前記画像データの集まりである複数の画像セットの各々に含まれる画像データ間で比較することにより、各々の前記画像セットに含まれる画像データ間のズレ量を検出するズレ量検出部と、
前記ズレ量検出部の検出結果に基づいて、前記画像セットの中から少なくとも1つの画像セットを選択する画像選択部と、
前記ズレ量検出部の検出結果に基づいて、前記画像セットの中から少なくとも1つの画像セットを選択する画像選択部と、
を具備する内視鏡システム。
Applications Claiming Priority (3)
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JP2014211035 | 2014-10-15 | ||
JP2014211035 | 2014-10-15 | ||
PCT/JP2015/077981 WO2016059977A1 (ja) | 2014-10-15 | 2015-10-01 | 信号処理装置及び内視鏡システム |
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JP5977909B1 JP5977909B1 (ja) | 2016-08-24 |
JPWO2016059977A1 true JPWO2016059977A1 (ja) | 2017-04-27 |
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Country | Link |
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US (1) | US20170061230A1 (ja) |
EP (1) | EP3207855A4 (ja) |
JP (1) | JP5977909B1 (ja) |
CN (1) | CN106163373B (ja) |
WO (1) | WO2016059977A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016147366A1 (ja) | 2015-03-19 | 2016-09-22 | オリンパス株式会社 | 内視鏡装置 |
JP6558935B2 (ja) * | 2015-04-24 | 2019-08-14 | キヤノン株式会社 | 画像処理装置、その制御方法、および制御プログラム、並びに撮像装置 |
JP6739542B2 (ja) * | 2016-12-02 | 2020-08-12 | オリンパス株式会社 | 内視鏡用画像処理装置および内視鏡用画像処理方法 |
JP7446888B2 (ja) | 2020-03-30 | 2024-03-11 | 日産自動車株式会社 | 画像生成装置及び画像生成方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0744924B2 (ja) * | 1988-07-29 | 1995-05-17 | 富士写真光機株式会社 | 電子内視鏡装置 |
JP3128068B2 (ja) * | 1988-10-27 | 2001-01-29 | オリンパス光学工業株式会社 | 信号処理装置 |
JP3887453B2 (ja) * | 1997-05-23 | 2007-02-28 | オリンパス株式会社 | 内視鏡装置 |
JP2002085344A (ja) * | 2000-09-20 | 2002-03-26 | Olympus Optical Co Ltd | 画像フリーズ処理装置 |
JP2006074155A (ja) * | 2004-08-31 | 2006-03-16 | Mitsubishi Electric Corp | 画像処理装置および画像処理方法ならびに画像表示装置 |
US7312879B2 (en) * | 2005-08-23 | 2007-12-25 | University Of Washington | Distance determination in a scanned beam image capture device |
US9089256B2 (en) * | 2008-06-27 | 2015-07-28 | Intuitive Surgical Operations, Inc. | Medical robotic system providing an auxiliary view including range of motion limitations for articulatable instruments extending out of a distal end of an entry guide |
US20090177089A1 (en) * | 2008-01-04 | 2009-07-09 | Assaf Govari | Three-dimensional image reconstruction using doppler ultrasound |
JP5220677B2 (ja) * | 2009-04-08 | 2013-06-26 | オリンパス株式会社 | 画像処理装置、画像処理方法および画像処理プログラム |
JP5597049B2 (ja) * | 2010-07-07 | 2014-10-01 | オリンパス株式会社 | 画像処理装置、画像処理方法、および画像処理プログラム |
EP2570070B1 (en) * | 2010-08-30 | 2016-10-05 | Olympus Corporation | Endoscope |
JP5729881B2 (ja) * | 2012-09-05 | 2015-06-03 | 富士フイルム株式会社 | 内視鏡システム、内視鏡システムのプロセッサ装置、及び内視鏡画像の画像処理方法 |
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2015
- 2015-10-01 WO PCT/JP2015/077981 patent/WO2016059977A1/ja active Application Filing
- 2015-10-01 EP EP15850738.4A patent/EP3207855A4/en not_active Withdrawn
- 2015-10-01 CN CN201580019610.9A patent/CN106163373B/zh active Active
- 2015-10-01 JP JP2016521375A patent/JP5977909B1/ja active Active
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2016
- 2016-11-10 US US15/348,600 patent/US20170061230A1/en not_active Abandoned
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Publication number | Publication date |
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CN106163373A (zh) | 2016-11-23 |
EP3207855A1 (en) | 2017-08-23 |
JP5977909B1 (ja) | 2016-08-24 |
US20170061230A1 (en) | 2017-03-02 |
CN106163373B (zh) | 2018-05-01 |
EP3207855A4 (en) | 2018-06-27 |
WO2016059977A1 (ja) | 2016-04-21 |
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