GB201219921D0 - Method and apparatus for focus detection - Google Patents

Method and apparatus for focus detection

Info

Publication number
GB201219921D0
GB201219921D0 GBGB1219921.2A GB201219921A GB201219921D0 GB 201219921 D0 GB201219921 D0 GB 201219921D0 GB 201219921 A GB201219921 A GB 201219921A GB 201219921 D0 GB201219921 D0 GB 201219921D0
Authority
GB
United Kingdom
Prior art keywords
focus detection
focus
detection
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Withdrawn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
GBGB1219921.2A
Other versions
GB2507576A (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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB1219921.2A priority Critical patent/GB2507576A/en
Publication of GB201219921D0 publication Critical patent/GB201219921D0/en
Publication of GB2507576A publication Critical patent/GB2507576A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • 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
    • G06T2207/20076—Probabilistic image processing
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30168—Image quality inspection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Automatic Focus Adjustment (AREA)
GB1219921.2A 2012-11-05 2012-11-05 Focus detection Withdrawn GB2507576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1219921.2A GB2507576A (en) 2012-11-05 2012-11-05 Focus detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1219921.2A GB2507576A (en) 2012-11-05 2012-11-05 Focus detection

Publications (2)

Publication Number Publication Date
GB201219921D0 true GB201219921D0 (en) 2012-12-19
GB2507576A GB2507576A (en) 2014-05-07

Family

ID=47429204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1219921.2A Withdrawn GB2507576A (en) 2012-11-05 2012-11-05 Focus detection

Country Status (1)

Country Link
GB (1) GB2507576A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110866860A (en) * 2019-11-01 2020-03-06 成都费恩格尔微电子技术有限公司 Image processing method of CIS chip for biometric identification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876602A (en) * 1988-05-02 1989-10-24 Hughes Aircraft Company Electronic focus correction by signal convolution
ATE447216T1 (en) * 2001-07-12 2009-11-15 Do Labs METHOD AND SYSTEM FOR REDUCING UPDATE FREQUENCY
JP4881278B2 (en) * 2007-10-31 2012-02-22 株式会社東芝 Object recognition apparatus and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110866860A (en) * 2019-11-01 2020-03-06 成都费恩格尔微电子技术有限公司 Image processing method of CIS chip for biometric identification
CN110866860B (en) * 2019-11-01 2023-12-26 上海菲戈恩微电子科技有限公司 Image processing method of CIS chip for biological feature recognition

Also Published As

Publication number Publication date
GB2507576A (en) 2014-05-07

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Legal Events

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