GB201313224D0 - Auto focus determination apparatus - Google Patents

Auto focus determination apparatus

Info

Publication number
GB201313224D0
GB201313224D0 GB201313224A GB201313224A GB201313224D0 GB 201313224 D0 GB201313224 D0 GB 201313224D0 GB 201313224 A GB201313224 A GB 201313224A GB 201313224 A GB201313224 A GB 201313224A GB 201313224 D0 GB201313224 D0 GB 201313224D0
Authority
GB
United Kingdom
Prior art keywords
determination apparatus
auto focus
focus determination
auto
focus
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB201313224A
Other versions
GB2516486A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Priority to GB1313224.6A priority Critical patent/GB2516486A/en
Publication of GB201313224D0 publication Critical patent/GB201313224D0/en
Publication of GB2516486A publication Critical patent/GB2516486A/en
Withdrawn legal-status Critical Current

Links

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
GB1313224.6A 2013-07-24 2013-07-24 Auto focus determination apparatus Withdrawn GB2516486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1313224.6A GB2516486A (en) 2013-07-24 2013-07-24 Auto focus determination apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1313224.6A GB2516486A (en) 2013-07-24 2013-07-24 Auto focus determination apparatus

Publications (2)

Publication Number Publication Date
GB201313224D0 true GB201313224D0 (en) 2013-09-04
GB2516486A GB2516486A (en) 2015-01-28

Family

ID=49119215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1313224.6A Withdrawn GB2516486A (en) 2013-07-24 2013-07-24 Auto focus determination apparatus

Country Status (1)

Country Link
GB (1) GB2516486A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636682A (en) * 2015-07-20 2018-01-26 三星电子株式会社 Image collecting device and its operating method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108234884B (en) * 2018-02-12 2019-12-10 西安电子科技大学 camera automatic focusing method based on visual saliency
CN111212222A (en) * 2020-01-09 2020-05-29 Oppo广东移动通信有限公司 Image processing method, image processing apparatus, electronic apparatus, and storage medium
US11516378B2 (en) 2020-04-27 2022-11-29 Qualcomm Incorporated Methods and apparatus employing a phase detection autofocus (PDAF) optical system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100618160B1 (en) * 2004-12-07 2006-08-29 씨씨알 주식회사 FL GRID transmission Camera Device
JP5012495B2 (en) * 2007-12-26 2012-08-29 株式会社ニコン IMAGING ELEMENT, FOCUS DETECTION DEVICE, FOCUS ADJUSTMENT DEVICE, AND IMAGING DEVICE
JP5187145B2 (en) * 2008-11-07 2013-04-24 株式会社ニコン Image composition apparatus and method
JP4727720B2 (en) * 2008-12-31 2011-07-20 株式会社モルフォ Image processing method and image processing apparatus
US20110074675A1 (en) * 2009-09-29 2011-03-31 Nokia Corporation Method and apparatus for initiating a feature based at least in part on the tracked movement
JP5448731B2 (en) * 2009-11-09 2014-03-19 キヤノン株式会社 Focus detection device
JP2011141374A (en) * 2010-01-06 2011-07-21 Renesas Electronics Corp Autofocus control method
JP2011197080A (en) * 2010-03-17 2011-10-06 Olympus Corp Image pickup apparatus and camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636682A (en) * 2015-07-20 2018-01-26 三星电子株式会社 Image collecting device and its operating method
CN107636682B (en) * 2015-07-20 2021-12-28 三星电子株式会社 Image acquisition device and operation method thereof

Also Published As

Publication number Publication date
GB2516486A (en) 2015-01-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150903 AND 20150909

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)