JP6464118B2 - 焦点検出装置および方法、撮像装置、およびレンズユニット - Google Patents

焦点検出装置および方法、撮像装置、およびレンズユニット Download PDF

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Publication number
JP6464118B2
JP6464118B2 JP2016126737A JP2016126737A JP6464118B2 JP 6464118 B2 JP6464118 B2 JP 6464118B2 JP 2016126737 A JP2016126737 A JP 2016126737A JP 2016126737 A JP2016126737 A JP 2016126737A JP 6464118 B2 JP6464118 B2 JP 6464118B2
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Japan
Prior art keywords
image
focus
optical system
focus detection
lens
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Expired - Fee Related
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JP2016126737A
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English (en)
Japanese (ja)
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JP2018004691A (ja
JP2018004691A5 (enExample
Inventor
友美 高尾
友美 高尾
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Canon Inc
Original Assignee
Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2016126737A priority Critical patent/JP6464118B2/ja
Priority to US15/621,251 priority patent/US10326924B2/en
Publication of JP2018004691A publication Critical patent/JP2018004691A/ja
Publication of JP2018004691A5 publication Critical patent/JP2018004691A5/ja
Application granted granted Critical
Publication of JP6464118B2 publication Critical patent/JP6464118B2/ja
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • 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
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
    • 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
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
    • 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
    • H04N25/703—SSIS architectures incorporating pixels for producing signals other than image signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP2016126737A 2016-06-27 2016-06-27 焦点検出装置および方法、撮像装置、およびレンズユニット Expired - Fee Related JP6464118B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016126737A JP6464118B2 (ja) 2016-06-27 2016-06-27 焦点検出装置および方法、撮像装置、およびレンズユニット
US15/621,251 US10326924B2 (en) 2016-06-27 2017-06-13 Focus detection apparatus and method, image capturing apparatus, and lens unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016126737A JP6464118B2 (ja) 2016-06-27 2016-06-27 焦点検出装置および方法、撮像装置、およびレンズユニット

Publications (3)

Publication Number Publication Date
JP2018004691A JP2018004691A (ja) 2018-01-11
JP2018004691A5 JP2018004691A5 (enExample) 2018-02-22
JP6464118B2 true JP6464118B2 (ja) 2019-02-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016126737A Expired - Fee Related JP6464118B2 (ja) 2016-06-27 2016-06-27 焦点検出装置および方法、撮像装置、およびレンズユニット

Country Status (2)

Country Link
US (1) US10326924B2 (enExample)
JP (1) JP6464118B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3481005B1 (en) * 2016-06-29 2021-01-20 Prosper Creative Co., Ltd. Data masking system
DE102016117547A1 (de) 2016-09-18 2018-03-22 Leica Camera Ag Objektiv fester Brennweite und konstanter Baulänge für Autofokusanwendungen
JP7091053B2 (ja) * 2017-10-27 2022-06-27 キヤノン株式会社 撮像装置および焦点検出方法
US11133339B2 (en) 2018-04-16 2021-09-28 Canon Kabushiki Kaisha Image sensor, image capturing apparatus and image processing apparatus
JP7406880B2 (ja) * 2019-04-10 2023-12-28 キヤノン株式会社 画像処理装置、その制御方法及びプログラム
JP7303668B2 (ja) 2019-06-05 2023-07-05 キヤノン株式会社 撮像装置及びその制御方法、カメラシステム、プログラム、記憶媒体
CN113834635B (zh) * 2020-06-24 2024-08-16 浙江宇视科技有限公司 图像采集虚焦测试方法、装置、设备及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004134867A (ja) 2002-10-08 2004-04-30 Canon Inc 固体撮像装置、その駆動方法、及び撮像システム
JP2007121504A (ja) 2005-10-26 2007-05-17 Canon Inc 焦点検出装置及び方法、並びに、撮像装置
KR20100013859A (ko) * 2008-08-01 2010-02-10 삼성디지털이미징 주식회사 디지털 영상 처리기에서 렌즈의 ｍｔｆ 특성을 이용한포커스 조정 장치 및 방법
WO2011045850A1 (ja) * 2009-10-13 2011-04-21 キヤノン株式会社 焦点調節装置及び焦点調節方法
JP2012070046A (ja) * 2010-09-21 2012-04-05 Sony Corp 収差補正装置、収差補正方法、および、プログラム
JP2012134951A (ja) * 2010-11-30 2012-07-12 Canon Inc 撮像装置及びその制御方法
CN104040404B (zh) * 2012-01-13 2016-11-09 佳能株式会社 镜头单元及其控制方法和摄像设备及其控制方法
JP6478457B2 (ja) * 2014-01-23 2019-03-06 キヤノン株式会社 焦点調節装置及び焦点調節方法
JP6313685B2 (ja) * 2014-05-01 2018-04-18 キヤノン株式会社 撮像装置およびその制御方法
JP6429546B2 (ja) * 2014-09-11 2018-11-28 キヤノン株式会社 撮像装置、制御方法、プログラム、および、記憶媒体
JP2017068195A (ja) * 2015-10-02 2017-04-06 株式会社タムロン 合焦制御装置、レンズ鏡筒、及び、光学機器

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Publication number Publication date
US20170374271A1 (en) 2017-12-28
JP2018004691A (ja) 2018-01-11
US10326924B2 (en) 2019-06-18

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