KR102137768B1 - 광 흐름 기반 자동 초점 - Google Patents

광 흐름 기반 자동 초점 Download PDF

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Publication number
KR102137768B1
KR102137768B1 KR1020187030922A KR20187030922A KR102137768B1 KR 102137768 B1 KR102137768 B1 KR 102137768B1 KR 1020187030922 A KR1020187030922 A KR 1020187030922A KR 20187030922 A KR20187030922 A KR 20187030922A KR 102137768 B1 KR102137768 B1 KR 102137768B1
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South Korea
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time
camera
vectors
image
features
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Korean (ko)
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KR20180124981A (ko
Inventor
블라드 씨. 카르데이
안드레이 엣수닌코
에드워드 장
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구글 엘엘씨
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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
    • G06K9/3233—
    • 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
    • H04N5/23212—

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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)
KR1020187030922A 2016-06-03 2016-12-09 광 흐름 기반 자동 초점 Active KR102137768B1 (ko)

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
KR20180124981A KR20180124981A (ko) 2018-11-21
KR102137768B1 true KR102137768B1 (ko) 2020-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187030922A Active KR102137768B1 (ko) 2016-06-03 2016-12-09 광 흐름 기반 자동 초점

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 (3)

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JP2013130827A (ja) * 2011-12-22 2013-07-04 Canon Inc レンズ制御装置
US20140253785A1 (en) * 2013-03-07 2014-09-11 Mediatek Inc. Auto Focus Based on Analysis of State or State Change of Image Content
JP2015225340A (ja) * 2014-05-23 2015-12-14 プレストン ハワード カメラのフォーカスを合わせるための方法、装置、システム、およびソフトウェア

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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
US5012270A (en) * 1988-03-10 1991-04-30 Canon Kabushiki Kaisha Image shake detecting device
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
US7609955B2 (en) * 2005-11-22 2009-10-27 Panasonic Corporation Image taking device, portable terminal device, image taking method, and program
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
GB201208088D0 (en) * 2012-05-09 2012-06-20 Ncam Sollutions Ltd Ncam
KR20140102443A (ko) * 2013-02-14 2014-08-22 삼성전자주식회사 카메라를 이용한 물체 추적 방법 및 이를 위한 카메라 시스템
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013130827A (ja) * 2011-12-22 2013-07-04 Canon Inc レンズ制御装置
US20140253785A1 (en) * 2013-03-07 2014-09-11 Mediatek Inc. Auto Focus Based on Analysis of State or State Change of Image Content
JP2015225340A (ja) * 2014-05-23 2015-12-14 プレストン ハワード カメラのフォーカスを合わせるための方法、装置、システム、およびソフトウェア

Also Published As

Publication number Publication date
CN109196851B (zh) 2021-03-16
US9883097B2 (en) 2018-01-30
KR20180124981A (ko) 2018-11-21
CN109196851A (zh) 2019-01-11
JP7090031B2 (ja) 2022-06-23
JP2019518370A (ja) 2019-06-27
EP3466049A1 (en) 2019-04-10
US20170353653A1 (en) 2017-12-07
WO2017209789A1 (en) 2017-12-07

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