CN109196851B - 基于光流的自动聚焦 - Google Patents

基于光流的自动聚焦 Download PDF

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Publication number
CN109196851B
CN109196851B CN201680084468.0A CN201680084468A CN109196851B CN 109196851 B CN109196851 B CN 109196851B CN 201680084468 A CN201680084468 A CN 201680084468A CN 109196851 B CN109196851 B CN 109196851B
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China
Prior art keywords
camera
reference points
reference point
movement
closer
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Chinese (zh)
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CN109196851A (zh
Inventor
弗拉德·C·卡尔代伊
安德雷·亚楚年科
爱德华·常
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Google LLC
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Google LLC
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
CN201680084468.0A 2016-06-03 2016-12-09 基于光流的自动聚焦 Active CN109196851B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/173,306 US9883097B2 (en) 2016-06-03 2016-06-03 Optical flow based auto focus
US15/173,306 2016-06-03
PCT/US2016/065882 WO2017209789A1 (en) 2016-06-03 2016-12-09 Optical flow based auto focus

Publications (2)

Publication Number Publication Date
CN109196851A CN109196851A (zh) 2019-01-11
CN109196851B true CN109196851B (zh) 2021-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680084468.0A Active CN109196851B (zh) 2016-06-03 2016-12-09 基于光流的自动聚焦

Country Status (6)

Country Link
US (1) US9883097B2 (OSRAM)
EP (1) EP3466049A1 (OSRAM)
JP (1) JP7090031B2 (OSRAM)
KR (1) KR102137768B1 (OSRAM)
CN (1) CN109196851B (OSRAM)
WO (1) WO2017209789A1 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7289714B2 (ja) * 2019-04-26 2023-06-12 キヤノン株式会社 焦点調整装置、撮像装置、焦点調整方法、およびプログラム
EP4320472A4 (en) 2021-10-12 2024-11-06 Samsung Electronics Co., Ltd. DEVICE AND METHOD FOR PREDICTED AUTOFOCUSING ON AN OBJECT
KR102866715B1 (ko) * 2025-02-27 2025-10-01 국방과학연구소 전자 장치의 동작 방법 및 이를 수행하기 위한 전자 장치

Citations (5)

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EP0332169A1 (en) * 1988-03-10 1989-09-13 Canon Kabushiki Kaisha Image shake detecting device
CN101233745A (zh) * 2005-11-22 2008-07-30 松下电器产业株式会社 摄影装置、便携终端装置、摄影方法及程序
CN103997598A (zh) * 2013-02-14 2014-08-20 三星电子株式会社 使用相机追踪对象的方法和用于对象追踪的相机系统
CN104038691A (zh) * 2013-03-07 2014-09-10 联发科技股份有限公司 自动聚焦方法及自动聚焦装置
CN104322052A (zh) * 2012-05-09 2015-01-28 恩卡姆技术有限公司 用于实时混合或复合计算机生成的三维对象和电影摄影机馈送视频的系统

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JP2621285B2 (ja) * 1988-01-29 1997-06-18 ソニー株式会社 フォーカス制御回路
JP2756293B2 (ja) * 1989-02-06 1998-05-25 キヤノン株式会社 自動焦点調節装置
JP2004205982A (ja) 2002-12-26 2004-07-22 Pentax Corp 自動焦点調節装置
JP4332732B2 (ja) 2004-07-09 2009-09-16 富士フイルム株式会社 デジタルカメラおよびズームポジション誘導方法
US7538813B2 (en) 2005-05-11 2009-05-26 Sony Ericsson Mobile Communications Ab Digital cameras with triangulation autofocus systems and related methods
JP2009031760A (ja) 2007-07-04 2009-02-12 Sanyo Electric Co Ltd 撮像装置及びオートフォーカス制御方法
JP2010282340A (ja) 2009-06-03 2010-12-16 Seiko Epson Corp 画像に含まれる目の状態を判定する画像処理装置、画像処理方法、画像処理プログラム、および、印刷装置
JP5564996B2 (ja) * 2009-07-23 2014-08-06 株式会社リコー 撮像装置及び撮像方法
GB2480422B (en) 2010-02-25 2014-07-09 Imagination Tech Ltd Object tracking using graphics engine derived vectors in a motion estimation system
US8508652B2 (en) 2011-02-03 2013-08-13 DigitalOptics Corporation Europe Limited Autofocus method
GB201113527D0 (en) 2011-08-04 2011-09-21 Imagination Tech Ltd External vectors in a motion estimation system
JP2013130827A (ja) * 2011-12-22 2013-07-04 Canon Inc レンズ制御装置
TWI508001B (zh) 2013-10-30 2015-11-11 Wistron Corp 路人偵測方法、裝置與電腦程式產品
US9354488B2 (en) * 2014-05-23 2016-05-31 Howard Preston Methods, apparatuses, systems and software for focusing a camera

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332169A1 (en) * 1988-03-10 1989-09-13 Canon Kabushiki Kaisha Image shake detecting device
CN101233745A (zh) * 2005-11-22 2008-07-30 松下电器产业株式会社 摄影装置、便携终端装置、摄影方法及程序
CN104322052A (zh) * 2012-05-09 2015-01-28 恩卡姆技术有限公司 用于实时混合或复合计算机生成的三维对象和电影摄影机馈送视频的系统
CN103997598A (zh) * 2013-02-14 2014-08-20 三星电子株式会社 使用相机追踪对象的方法和用于对象追踪的相机系统
CN104038691A (zh) * 2013-03-07 2014-09-10 联发科技股份有限公司 自动聚焦方法及自动聚焦装置

Also Published As

Publication number Publication date
CN109196851A (zh) 2019-01-11
KR102137768B1 (ko) 2020-07-24
KR20180124981A (ko) 2018-11-21
JP2019518370A (ja) 2019-06-27
WO2017209789A1 (en) 2017-12-07
US20170353653A1 (en) 2017-12-07
US9883097B2 (en) 2018-01-30
EP3466049A1 (en) 2019-04-10
JP7090031B2 (ja) 2022-06-23

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