AU4082400A - Automatic black level, luminosity and color compensation for digital still images and digital video - Google Patents

Automatic black level, luminosity and color compensation for digital still images and digital video

Info

Publication number
AU4082400A
AU4082400A AU40824/00A AU4082400A AU4082400A AU 4082400 A AU4082400 A AU 4082400A AU 40824/00 A AU40824/00 A AU 40824/00A AU 4082400 A AU4082400 A AU 4082400A AU 4082400 A AU4082400 A AU 4082400A
Authority
AU
Australia
Prior art keywords
luminosity
still images
black level
color compensation
digital
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.)
Abandoned
Application number
AU40824/00A
Inventor
Raul Izahi Lopez
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.)
IZAHI Corp
Original Assignee
IZAHI 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 IZAHI CORP filed Critical IZAHI CORP
Publication of AU4082400A publication Critical patent/AU4082400A/en
Abandoned 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
    • G06T5/40—Image enhancement or restoration by the use of histogram techniques
    • G06T5/92—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
AU40824/00A 1999-04-16 2000-04-14 Automatic black level, luminosity and color compensation for digital still images and digital video Abandoned AU4082400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29357899A 1999-04-16 1999-04-16
US09293578 1999-04-16
PCT/US2000/010129 WO2000063838A1 (en) 1999-04-16 2000-04-14 Automatic black level, luminosity and color compensation for digital still images and digital video

Publications (1)

Publication Number Publication Date
AU4082400A true AU4082400A (en) 2000-11-02

Family

ID=23129646

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40824/00A Abandoned AU4082400A (en) 1999-04-16 2000-04-14 Automatic black level, luminosity and color compensation for digital still images and digital video

Country Status (2)

Country Link
AU (1) AU4082400A (en)
WO (1) WO2000063838A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2199076B1 (en) * 2002-07-19 2005-06-16 Consejo Sup. Investig. Cientificas CIRCUIT OF ADAPTATION OF LUMINANCE BASED ON LOCAL INTERACTIONS.
US7826680B2 (en) 2006-06-26 2010-11-02 Genesis Microchip Inc. Integrated histogram auto adaptive contrast control (ACC)
SG138579A1 (en) 2006-06-26 2008-01-28 Genesis Microchip Inc Universal, highly configurable video and graphic measurement device
US7920755B2 (en) 2006-06-26 2011-04-05 Genesis Microchip Inc. Video content detector
US7881547B2 (en) 2006-07-28 2011-02-01 Genesis Microchip Inc. Video window detector
KR101448642B1 (en) 2008-04-22 2014-10-08 엘지전자 주식회사 Method for controlling black level of input signal and display unit enabling of the method
CN113947553B (en) * 2021-12-20 2022-03-18 山东信通电子股份有限公司 Image brightness enhancement method and device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731662A (en) * 1985-03-21 1988-03-15 Canon Kabushiki Kaisha Image processing method for processing an image signal differently depending on the range of an image characteristic thereof relative to the range within which an output device can reproduce the image characteristic
US5418895A (en) * 1992-11-25 1995-05-23 Eastman Kodak Company Method for displaying a high quality digital color image on a limited color display
US5900732A (en) * 1996-11-04 1999-05-04 Mayo Foundation For Medical Education And Research Automatic windowing method for MR images

Also Published As

Publication number Publication date
WO2000063838A1 (en) 2000-10-26

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase