HUE058211T2 - Automatikus fókuszálás - Google Patents

Automatikus fókuszálás

Info

Publication number
HUE058211T2
HUE058211T2 HUE16872204A HUE16872204A HUE058211T2 HU E058211 T2 HUE058211 T2 HU E058211T2 HU E16872204 A HUE16872204 A HU E16872204A HU E16872204 A HUE16872204 A HU E16872204A HU E058211 T2 HUE058211 T2 HU E058211T2
Authority
HU
Hungary
Prior art keywords
automatic focusing
focusing
automatic
Prior art date
Application number
HUE16872204A
Other languages
English (en)
Inventor
Xingxing Hu
Tianjun Chen
Original Assignee
Zhejiang Uniview Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Uniview Tech Co Ltd filed Critical Zhejiang Uniview Tech Co Ltd
Publication of HUE058211T2 publication Critical patent/HUE058211T2/hu

Links

Classifications

    • 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
    • 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
HUE16872204A 2015-12-10 2016-09-22 Automatikus fókuszálás HUE058211T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510917459.2A CN105430270B (zh) 2015-12-10 2015-12-10 一种自动聚焦的方法和装置

Publications (1)

Publication Number Publication Date
HUE058211T2 true HUE058211T2 (hu) 2022-07-28

Family

ID=55508173

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE16872204A HUE058211T2 (hu) 2015-12-10 2016-09-22 Automatikus fókuszálás

Country Status (7)

Country Link
US (1) US10887505B2 (hu)
EP (1) EP3389254B1 (hu)
CN (1) CN105430270B (hu)
ES (1) ES2909490T3 (hu)
HU (1) HUE058211T2 (hu)
PL (1) PL3389254T3 (hu)
WO (1) WO2017097009A1 (hu)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105430270B (zh) 2015-12-10 2018-11-13 浙江宇视科技有限公司 一种自动聚焦的方法和装置
JP2022190309A (ja) * 2021-06-14 2022-12-26 セイコーエプソン株式会社 オートフォーカスの方法、分光カメラ、及びコンピュータープログラム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580576B2 (ja) * 1986-12-03 1997-02-12 キヤノン株式会社 合焦検出装置
JP2772079B2 (ja) * 1989-01-09 1998-07-02 オリンパス光学工業株式会社 自動合焦装置
JP3103587B2 (ja) * 1990-04-25 2000-10-30 オリンパス光学工業株式会社 自動合焦装置
US6222588B1 (en) * 1993-05-28 2001-04-24 Canon Kabushiki Kaisha Automatic focus adjusting device with driving direction control
KR19990049877A (ko) * 1997-12-15 1999-07-05 윤종용 카메라시스템의 자동 초점조정장치 및 그에 따른 초점조정방법
EP1111444B1 (fr) * 1999-12-21 2005-10-05 Koninklijke Philips Electronics N.V. Appareil photographique comportant un dispositif de focalisation automatique
JP3679693B2 (ja) * 2000-07-31 2005-08-03 三洋電機株式会社 オートフォーカスカメラ
JP4647885B2 (ja) * 2003-02-17 2011-03-09 株式会社ニコン カメラ
JP4641494B2 (ja) * 2005-11-28 2011-03-02 キヤノン株式会社 光学機器
JP2007192859A (ja) * 2006-01-17 2007-08-02 Sony Corp 合焦制御装置、及び撮像装置
JP5106143B2 (ja) * 2008-01-21 2012-12-26 キヤノン株式会社 自動焦点調整装置及びその自動焦点調整方法
KR101085925B1 (ko) * 2010-03-23 2011-11-23 삼성전자주식회사 복수개의 밴드패스필터를 이용하여 자동초점 조절 기능을 수행하는 촬영장치 및 이에 적용되는 자동초점 조절방법
CN103886590B (zh) * 2014-03-05 2016-08-24 浙江大学 一种基于小波包能量谱的推扫式遥感相机自动对焦方法
CN104980717A (zh) * 2014-04-02 2015-10-14 深圳市先河系统技术有限公司 图像处理装置和摄像镜头、摄像机身、摄像设备
CN105430270B (zh) * 2015-12-10 2018-11-13 浙江宇视科技有限公司 一种自动聚焦的方法和装置
CN109889721B (zh) * 2015-12-23 2021-01-29 北京奇虎科技有限公司 摄像头自动聚焦控制方法及装置
JP2019101359A (ja) * 2017-12-07 2019-06-24 オリンパス株式会社 観察装置および焦点検出方法

Also Published As

Publication number Publication date
US20190068888A1 (en) 2019-02-28
CN105430270B (zh) 2018-11-13
EP3389254A4 (en) 2018-12-05
ES2909490T3 (es) 2022-05-06
WO2017097009A1 (zh) 2017-06-15
PL3389254T3 (pl) 2022-04-25
EP3389254A1 (en) 2018-10-17
CN105430270A (zh) 2016-03-23
EP3389254B1 (en) 2022-02-23
US10887505B2 (en) 2021-01-05

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