JP6366374B2 - 焦点検出装置及びその制御方法 - Google Patents

焦点検出装置及びその制御方法 Download PDF

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Publication number
JP6366374B2
JP6366374B2 JP2014123820A JP2014123820A JP6366374B2 JP 6366374 B2 JP6366374 B2 JP 6366374B2 JP 2014123820 A JP2014123820 A JP 2014123820A JP 2014123820 A JP2014123820 A JP 2014123820A JP 6366374 B2 JP6366374 B2 JP 6366374B2
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Japan
Prior art keywords
focus
filter
processing
signal
degree
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Expired - Fee Related
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JP2014123820A
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English (en)
Japanese (ja)
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JP2015064556A (ja
JP2015064556A5 (enExample
Inventor
友美 渡邉
友美 渡邉
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2014123820A priority Critical patent/JP6366374B2/ja
Priority to US14/466,285 priority patent/US9641741B2/en
Publication of JP2015064556A publication Critical patent/JP2015064556A/ja
Publication of JP2015064556A5 publication Critical patent/JP2015064556A5/ja
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Publication of JP6366374B2 publication Critical patent/JP6366374B2/ja
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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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • 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
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
    • 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
    • H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
    • H04N25/445—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by skipping some contiguous pixels within the read portion of the array

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP2014123820A 2013-08-30 2014-06-16 焦点検出装置及びその制御方法 Expired - Fee Related JP6366374B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014123820A JP6366374B2 (ja) 2013-08-30 2014-06-16 焦点検出装置及びその制御方法
US14/466,285 US9641741B2 (en) 2013-08-30 2014-08-22 Focus detection apparatus and method for controlling the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013180355 2013-08-30
JP2013180355 2013-08-30
JP2014123820A JP6366374B2 (ja) 2013-08-30 2014-06-16 焦点検出装置及びその制御方法

Publications (3)

Publication Number Publication Date
JP2015064556A JP2015064556A (ja) 2015-04-09
JP2015064556A5 JP2015064556A5 (enExample) 2017-07-27
JP6366374B2 true JP6366374B2 (ja) 2018-08-01

Family

ID=52582703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014123820A Expired - Fee Related JP6366374B2 (ja) 2013-08-30 2014-06-16 焦点検出装置及びその制御方法

Country Status (2)

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US (1) US9641741B2 (enExample)
JP (1) JP6366374B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108139564B (zh) * 2015-09-30 2020-12-08 富士胶片株式会社 对焦控制装置、摄像装置、对焦控制方法及对焦控制程序
JP2024002703A (ja) * 2022-06-24 2024-01-11 キヤノン株式会社 撮像装置およびその制御方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926072B2 (ja) * 1975-09-18 1984-06-23 肇産業 （株） 情報信号処理装置
US4201977A (en) * 1975-09-18 1980-05-06 Hajime Industries, Ltd. Data processing and storage system using filtering and sampling techniques
US4908773A (en) * 1987-04-06 1990-03-13 Genex Corporation Computer designed stabilized proteins and method for producing same
KR970010205B1 (ko) * 1988-05-11 1997-06-23 상요 덴기 가부시끼가이샤 영상 신호에 기초하여 초점의 자동 정합을 행하는 오토포커스 기능을 구비한 촬상장치
JPH07121083B2 (ja) * 1988-05-11 1995-12-20 三洋電機株式会社 オートフォーカスビデオカメラ
US5614951A (en) * 1992-11-30 1997-03-25 Goldstar Co., Ltd. Apparatus and method utilizing a slope for automatically focusing an object in a video camera
DE69331874T2 (de) * 1992-12-28 2002-11-14 Canon K.K., Tokio/Tokyo One-chip integrated circuit for use in a controlling focusing means
JPH06217180A (ja) * 1993-01-19 1994-08-05 Sony Corp オートフォーカス制御装置
JPH08317272A (ja) * 1995-05-19 1996-11-29 Sony Corp オートフォーカス装置
JP3760846B2 (ja) * 2001-11-22 2006-03-29 コニカミノルタフォトイメージング株式会社 被写体抽出装置及び撮影装置
JP2004325517A (ja) * 2003-04-21 2004-11-18 Nikon Corp 撮像装置
JP2006003481A (ja) * 2004-06-16 2006-01-05 Sony Corp 画サイズ変換装置及び撮像装置
KR100647955B1 (ko) * 2004-12-03 2006-11-23 엘지전자 주식회사 디포커스 현상을 보정하는 영상처리장치
JP2008199477A (ja) * 2007-02-15 2008-08-28 Matsushita Electric Ind Co Ltd 撮像装置
JP2010098663A (ja) * 2008-10-20 2010-04-30 Samsung Digital Imaging Co Ltd 撮像装置
JP2010263394A (ja) * 2009-05-07 2010-11-18 Panasonic Corp 映像信号処理装置
JP5900273B2 (ja) * 2012-10-03 2016-04-06 株式会社ソシオネクスト 合焦評価値生成装置、合焦評価値生成方法、及び、合焦評価値生成プログラム

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Publication number Publication date
US9641741B2 (en) 2017-05-02
US20150062379A1 (en) 2015-03-05
JP2015064556A (ja) 2015-04-09

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