JP7090031B2 - オプティカルフローベースのオートフォーカス - Google Patents

オプティカルフローベースのオートフォーカス Download PDF

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Publication number
JP7090031B2
JP7090031B2 JP2018556461A JP2018556461A JP7090031B2 JP 7090031 B2 JP7090031 B2 JP 7090031B2 JP 2018556461 A JP2018556461 A JP 2018556461A JP 2018556461 A JP2018556461 A JP 2018556461A JP 7090031 B2 JP7090031 B2 JP 7090031B2
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Prior art keywords
camera
reference point
vector
reference points
change
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Japanese (ja)
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JP2019518370A5 (OSRAM
JP2019518370A (ja
Inventor
カーデイ，ブラッド・シィ
ヤツネンコ，アンドレイ
チャン，エドワード
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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)
JP2018556461A 2016-06-03 2016-12-09 オプティカルフローベースのオートフォーカス Active JP7090031B2 (ja)

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 (3)

Publication Number Publication Date
JP2019518370A JP2019518370A (ja) 2019-06-27
JP2019518370A5 JP2019518370A5 (OSRAM) 2019-08-08
JP7090031B2 true JP7090031B2 (ja) 2022-06-23

Family

ID=57750616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018556461A Active JP7090031B2 (ja) 2016-06-03 2016-12-09 オプティカルフローベースのオートフォーカス

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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004205982A (ja) 2002-12-26 2004-07-22 Pentax Corp 自動焦点調節装置
JP2006025314A (ja) 2004-07-09 2006-01-26 Fuji Photo Film Co Ltd デジタルカメラ
WO2007060794A1 (ja) 2005-11-22 2007-05-31 Matsushita Electric Industrial Co., Ltd. 撮影装置、携帯端末装置、撮影方法、およびプログラム
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
US20140253785A1 (en) 2013-03-07 2014-09-11 Mediatek Inc. Auto Focus Based on Analysis of State or State Change of Image Content
US20150116471A1 (en) 2013-10-30 2015-04-30 Wistron Corporation Method, apparatus and storage medium for passerby detection

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621285B2 (ja) * 1988-01-29 1997-06-18 ソニー株式会社 フォーカス制御回路
US5012270A (en) * 1988-03-10 1991-04-30 Canon Kabushiki Kaisha Image shake detecting device
JP2756293B2 (ja) * 1989-02-06 1998-05-25 キヤノン株式会社 自動焦点調節装置
US7538813B2 (en) 2005-05-11 2009-05-26 Sony Ericsson Mobile Communications Ab Digital cameras with triangulation autofocus systems and related methods
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
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
US9354488B2 (en) * 2014-05-23 2016-05-31 Howard Preston Methods, apparatuses, systems and software for focusing a camera

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004205982A (ja) 2002-12-26 2004-07-22 Pentax Corp 自動焦点調節装置
JP2006025314A (ja) 2004-07-09 2006-01-26 Fuji Photo Film Co Ltd デジタルカメラ
WO2007060794A1 (ja) 2005-11-22 2007-05-31 Matsushita Electric Industrial Co., Ltd. 撮影装置、携帯端末装置、撮影方法、およびプログラム
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
US20140253785A1 (en) 2013-03-07 2014-09-11 Mediatek Inc. Auto Focus Based on Analysis of State or State Change of Image Content
US20150116471A1 (en) 2013-10-30 2015-04-30 Wistron Corporation Method, apparatus and storage medium for passerby detection

Also Published As

Publication number Publication date
KR20180124981A (ko) 2018-11-21
EP3466049A1 (en) 2019-04-10
CN109196851B (zh) 2021-03-16
US9883097B2 (en) 2018-01-30
KR102137768B1 (ko) 2020-07-24
US20170353653A1 (en) 2017-12-07
WO2017209789A1 (en) 2017-12-07
CN109196851A (zh) 2019-01-11
JP2019518370A (ja) 2019-06-27

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