GB0329255D0 - Camera illumination system - Google Patents

Camera illumination system

Info

Publication number
GB0329255D0
GB0329255D0 GBGB0329255.4A GB0329255A GB0329255D0 GB 0329255 D0 GB0329255 D0 GB 0329255D0 GB 0329255 A GB0329255 A GB 0329255A GB 0329255 D0 GB0329255 D0 GB 0329255D0
Authority
GB
United Kingdom
Prior art keywords
image
illumination system
scene
emitted
camera illumination
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.)
Granted
Application number
GBGB0329255.4A
Other versions
GB2399472B (en
GB2399472A (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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB0329255D0 publication Critical patent/GB0329255D0/en
Priority to PCT/EP2004/002341 priority Critical patent/WO2004082265A1/en
Priority to US10/547,284 priority patent/US20060239673A1/en
Publication of GB2399472A publication Critical patent/GB2399472A/en
Application granted granted Critical
Publication of GB2399472B publication Critical patent/GB2399472B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/133—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements including elements passing panchromatic light, e.g. filters passing white light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
    • H04N2209/044—Picture signal generators using solid-state devices having a single pick-up sensor using sequential colour illumination

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Endoscopes (AREA)

Abstract

Methods and apparatus are provided for forming an image (68) of a scene (18) comprising a source of emitted or reflected light. The scene is illuminated (54) and a first image corresponding to the illuminated scene is recorded. Illumination is ceased, and a second image of the emitted or reflected light, corresponding to the non-illuminated scene, is recorded. The second image is used to generate a marker in the first image, said marker indicating the position of the emitted or reflected light.
GB0329255A 2003-03-13 2003-12-18 Camera illumination system Expired - Fee Related GB2399472B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2004/002341 WO2004082265A1 (en) 2003-03-13 2004-03-08 Camera illumination system
US10/547,284 US20060239673A1 (en) 2003-03-13 2004-03-08 Camera illumination system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0305715.5A GB0305715D0 (en) 2003-03-13 2003-03-13 Camera illumination system

Publications (3)

Publication Number Publication Date
GB0329255D0 true GB0329255D0 (en) 2004-01-21
GB2399472A GB2399472A (en) 2004-09-15
GB2399472B GB2399472B (en) 2005-06-01

Family

ID=9954668

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0305715.5A Ceased GB0305715D0 (en) 2003-03-13 2003-03-13 Camera illumination system
GB0329255A Expired - Fee Related GB2399472B (en) 2003-03-13 2003-12-18 Camera illumination system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0305715.5A Ceased GB0305715D0 (en) 2003-03-13 2003-03-13 Camera illumination system

Country Status (1)

Country Link
GB (2) GB0305715D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539027B (en) 2015-06-04 2019-04-17 Thales Holdings Uk Plc Video compression with increased fidelity near horizon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2838751B2 (en) * 1993-06-25 1998-12-16 株式会社クボタ Fan pulley support device and radiator fan drive device
AU694267B2 (en) * 1994-09-08 1998-07-16 Weather Central, Lp Method and apparatus for determining the location of a reflective object within a video field
SE9802923L (en) * 1998-08-31 2000-03-01 Alfa Laval Agri Ab Method and apparatus for locating an animal's teats
US6134339A (en) * 1998-09-17 2000-10-17 Eastman Kodak Company Method and apparatus for determining the position of eyes and for correcting eye-defects in a captured frame

Also Published As

Publication number Publication date
GB0305715D0 (en) 2003-04-16
GB2399472B (en) 2005-06-01
GB2399472A (en) 2004-09-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111218