DE60311747D1 - Bestimmung eines Schärfekennwerts für ein digitales Bild - Google Patents

Bestimmung eines Schärfekennwerts für ein digitales Bild

Info

Publication number
DE60311747D1
DE60311747D1 DE60311747T DE60311747T DE60311747D1 DE 60311747 D1 DE60311747 D1 DE 60311747D1 DE 60311747 T DE60311747 T DE 60311747T DE 60311747 T DE60311747 T DE 60311747T DE 60311747 D1 DE60311747 D1 DE 60311747D1
Authority
DE
Germany
Prior art keywords
determination
digital image
sharpness value
sharpness
value
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.)
Expired - Lifetime
Application number
DE60311747T
Other languages
English (en)
Inventor
Christel-Loic Tisse
Laurent Plaza
Guillaume Petitjean
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE60311747D1 publication Critical patent/DE60311747D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE60311747T 2002-11-20 2003-11-19 Bestimmung eines Schärfekennwerts für ein digitales Bild Expired - Lifetime DE60311747D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0214547 2002-11-20

Publications (1)

Publication Number Publication Date
DE60311747D1 true DE60311747D1 (de) 2007-03-29

Family

ID=32319954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311747T Expired - Lifetime DE60311747D1 (de) 2002-11-20 2003-11-19 Bestimmung eines Schärfekennwerts für ein digitales Bild

Country Status (4)

Country Link
US (1) US20040101169A1 (de)
EP (1) EP1431906B1 (de)
JP (1) JP2004288157A (de)
DE (1) DE60311747D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1530156B1 (de) * 2003-11-07 2012-03-14 Mitsubishi Electric Information Technology Centre Europe B.V. Erfassung visueller Objekte
JP4258385B2 (ja) * 2004-01-14 2009-04-30 株式会社デンソー 路面反射検出装置
FR2890215B1 (fr) * 2005-08-31 2007-11-09 St Microelectronics Sa Traitement numerique d'une image d'iris
CN104850823B (zh) * 2015-03-26 2017-12-22 浪潮软件集团有限公司 一种虹膜图像的质量评价方法及装置
CN113395481A (zh) * 2020-03-12 2021-09-14 平湖莱顿光学仪器制造有限公司 一种亮度相关的显微镜成像***及其控制方法
CN113052815B (zh) * 2021-03-23 2022-06-24 Oppo广东移动通信有限公司 图像清晰度确定方法及装置、存储介质和电子设备
CN116563170B (zh) * 2023-07-10 2023-09-15 中国人民解放军空军特色医学中心 一种图像数据处理方法、***以及电子设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040228A (en) * 1989-08-28 1991-08-13 At&T Bell Laboratories Method and apparatus for automatically focusing an image-acquisition device
JP3073599B2 (ja) * 1992-04-22 2000-08-07 本田技研工業株式会社 画像のエッジ検出装置
US6215891B1 (en) * 1997-03-26 2001-04-10 Oki Electric Industry Co., Ltd. Eye image recognition method eye image selection method and system therefor
US5953440A (en) * 1997-12-02 1999-09-14 Sensar, Inc. Method of measuring the focus of close-up images of eyes
US5978494A (en) * 1998-03-04 1999-11-02 Sensar, Inc. Method of selecting the best enroll image for personal identification
US6829374B2 (en) * 2001-03-12 2004-12-07 Glaucoma Research, Inc. Methods for measuring iris color over time
US7130491B2 (en) * 2003-03-14 2006-10-31 Hewlett-Packard Development Company, L.P. System and method for interpolating a color image

Also Published As

Publication number Publication date
EP1431906B1 (de) 2007-02-14
EP1431906A1 (de) 2004-06-23
US20040101169A1 (en) 2004-05-27
JP2004288157A (ja) 2004-10-14

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Legal Events

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