BR112012013721A2 - sistema de imagem de auto-focagem - Google Patents

sistema de imagem de auto-focagem

Info

Publication number
BR112012013721A2
BR112012013721A2 BR112012013721A BR112012013721A BR112012013721A2 BR 112012013721 A2 BR112012013721 A2 BR 112012013721A2 BR 112012013721 A BR112012013721 A BR 112012013721A BR 112012013721 A BR112012013721 A BR 112012013721A BR 112012013721 A2 BR112012013721 A2 BR 112012013721A2
Authority
BR
Brazil
Prior art keywords
focus
edge
imaging system
image
edge width
Prior art date
Application number
BR112012013721A
Other languages
English (en)
Portuguese (pt)
Inventor
Hiok Nam Tay
Original Assignee
Hiok Nam Tay
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 Hiok Nam Tay filed Critical Hiok Nam Tay
Publication of BR112012013721A2 publication Critical patent/BR112012013721A2/pt

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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • 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
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • 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
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • H04N23/635—Region indicators; Field of view indicators
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Image Analysis (AREA)
  • Focusing (AREA)
  • Image Processing (AREA)
BR112012013721A 2009-12-07 2010-12-07 sistema de imagem de auto-focagem BR112012013721A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26743609P 2009-12-07 2009-12-07
PCT/IB2010/055641 WO2011070513A1 (en) 2009-12-07 2010-12-07 Auto-focus image system

Publications (1)

Publication Number Publication Date
BR112012013721A2 true BR112012013721A2 (pt) 2016-03-15

Family

ID=42470708

Family Applications (3)

Application Number Title Priority Date Filing Date
BR112012013721A BR112012013721A2 (pt) 2009-12-07 2010-12-07 sistema de imagem de auto-focagem
BR112013014240A BR112013014240A2 (pt) 2009-12-07 2011-06-09 método para gerar um sinal de foco a partir de uma pluralidade de bordas de uma imagem, meio legível por computador, circuito que gera um sinal de fogo e sistema de captura de imagem
BR112013014226A BR112013014226A2 (pt) 2009-12-07 2011-06-09 Método para gerar um sinal de focagem a partir de uma pluralidade de bordas de uma imagem de uma cena, circuito que gera um sinal de focagem a partir de uma pluralidade de bordas de uma imagem de uma cena e sistema de captura de imagem

Family Applications After (2)

Application Number Title Priority Date Filing Date
BR112013014240A BR112013014240A2 (pt) 2009-12-07 2011-06-09 método para gerar um sinal de foco a partir de uma pluralidade de bordas de uma imagem, meio legível por computador, circuito que gera um sinal de fogo e sistema de captura de imagem
BR112013014226A BR112013014226A2 (pt) 2009-12-07 2011-06-09 Método para gerar um sinal de focagem a partir de uma pluralidade de bordas de uma imagem de uma cena, circuito que gera um sinal de focagem a partir de uma pluralidade de bordas de uma imagem de uma cena e sistema de captura de imagem

Country Status (11)

Country Link
US (8) US8457431B2 (https=)
EP (1) EP2510680B1 (https=)
JP (4) JP5725380B2 (https=)
CN (1) CN103416052B (https=)
AU (2) AU2010329533A1 (https=)
BR (3) BR112012013721A2 (https=)
CA (1) CA2821143A1 (https=)
GB (4) GB2504857B (https=)
MX (2) MX2012006469A (https=)
SG (2) SG181173A1 (https=)
WO (2) WO2011070513A1 (https=)

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JP5511212B2 (ja) 2009-03-31 2014-06-04 大日本スクリーン製造株式会社 欠陥検出装置及び欠陥検出方法
JP2011003124A (ja) 2009-06-22 2011-01-06 Sony Corp 画像処理装置および画像処理プログラム
JP5725380B2 (ja) 2009-12-07 2015-05-27 ナム タイ，ヒョク オートフォーカス画像システム
US8724009B2 (en) 2010-05-05 2014-05-13 Hiok Nam Tay Auto-focus image system
US8630504B2 (en) 2012-01-16 2014-01-14 Hiok Nam Tay Auto-focus image system

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