CA2368544C - Virtual true color light amplification - Google Patents

Virtual true color light amplification Download PDF

Info

Publication number
CA2368544C
CA2368544C CA002368544A CA2368544A CA2368544C CA 2368544 C CA2368544 C CA 2368544C CA 002368544 A CA002368544 A CA 002368544A CA 2368544 A CA2368544 A CA 2368544A CA 2368544 C CA2368544 C CA 2368544C
Authority
CA
Canada
Prior art keywords
dot
color
maximum
image
dynamic range
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
CA002368544A
Other languages
English (en)
French (fr)
Other versions
CA2368544A1 (en
Inventor
Brian G. James
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.)
Eyeq Imaging Inc
Original Assignee
Athentech Technologies Inc
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 Athentech Technologies Inc filed Critical Athentech Technologies Inc
Publication of CA2368544A1 publication Critical patent/CA2368544A1/en
Application granted granted Critical
Publication of CA2368544C publication Critical patent/CA2368544C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/60—Editing figures and text; Combining figures or text
    • 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
    • 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
    • H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Processing Or Creating Images (AREA)
  • Color Image Communication Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Toys (AREA)
  • Luminescent Compositions (AREA)
  • Holo Graphy (AREA)
CA002368544A 1999-04-13 2000-04-10 Virtual true color light amplification Expired - Lifetime CA2368544C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12904199P 1999-04-13 1999-04-13
US60/129,041 1999-04-13
PCT/CA2000/000400 WO2000062528A1 (en) 1999-04-13 2000-04-10 Virtual true color light amplification

Publications (2)

Publication Number Publication Date
CA2368544A1 CA2368544A1 (en) 2000-10-19
CA2368544C true CA2368544C (en) 2006-10-03

Family

ID=22438204

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002368544A Expired - Lifetime CA2368544C (en) 1999-04-13 2000-04-10 Virtual true color light amplification

Country Status (13)

Country Link
EP (1) EP1177678B1 (enExample)
JP (1) JP4841039B2 (enExample)
KR (1) KR20010113791A (enExample)
CN (1) CN1179546C (enExample)
AT (1) ATE250309T1 (enExample)
AU (1) AU771979B2 (enExample)
CA (1) CA2368544C (enExample)
DE (1) DE60005332T2 (enExample)
GB (1) GB2363933B (enExample)
HK (1) HK1048213B (enExample)
MX (1) MXPA01010248A (enExample)
NZ (1) NZ514714A (enExample)
WO (1) WO2000062528A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101893793B1 (ko) 2011-05-17 2018-10-04 삼성전자주식회사 컴퓨터 그래픽 영상의 실감도 증강을 위한 장치 및 방법
BR112014027815B1 (pt) * 2012-10-08 2022-03-15 Koninklijke Philips N.V. Aparelho de processamento de cor de imagem, codificador de imagem, decodificador de imagem e método de processamento de cor de imagem
CN108711142B (zh) * 2018-05-22 2020-09-29 深圳市华星光电技术有限公司 图像处理方法及图像处理装置
CN109272459B (zh) 2018-08-20 2020-12-01 Oppo广东移动通信有限公司 图像处理方法、装置、存储介质及电子设备
CN108900819B (zh) 2018-08-20 2020-09-15 Oppo广东移动通信有限公司 图像处理方法、装置、存储介质及电子设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684825A (en) * 1971-02-19 1972-08-15 Rca Corp Contrast compression circuits
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
US4736244A (en) * 1984-12-12 1988-04-05 Fuji Photo Film Co., Ltd. Color film inspection system and data output method therefor
US4729016A (en) * 1985-05-06 1988-03-01 Eastman Kodak Company Digital color image processing method and apparatus employing three color reproduction functions for adjusting both tone scale and color balance
US5398123A (en) * 1988-08-31 1995-03-14 Canon Kabushiki Kaisha Image processing method and apparatus capable of automatic color masking
JP2748678B2 (ja) * 1990-10-09 1998-05-13 松下電器産業株式会社 階調補正方法および階調補正装置
EP0603908A3 (en) * 1992-12-25 1996-02-07 Dainippon Screen Mfg Method and apparatus for converting image signals.
JP3335507B2 (ja) * 1995-09-19 2002-10-21 京セラミタ株式会社 カラー画像調整装置およびカラー画像調整方法
US5818975A (en) * 1996-10-28 1998-10-06 Eastman Kodak Company Method and apparatus for area selective exposure adjustment

Also Published As

Publication number Publication date
WO2000062528A1 (en) 2000-10-19
CN1354950A (zh) 2002-06-19
EP1177678A1 (en) 2002-02-06
JP2002542678A (ja) 2002-12-10
HK1048213B (zh) 2005-09-16
CA2368544A1 (en) 2000-10-19
HK1048213A1 (en) 2003-03-21
AU771979B2 (en) 2004-04-08
DE60005332T2 (de) 2004-06-17
NZ514714A (en) 2003-11-28
MXPA01010248A (es) 2003-07-21
ATE250309T1 (de) 2003-10-15
KR20010113791A (ko) 2001-12-28
GB0124644D0 (en) 2001-12-05
EP1177678B1 (en) 2003-09-17
JP4841039B2 (ja) 2011-12-21
DE60005332D1 (de) 2003-10-23
AU3800100A (en) 2000-11-14
CN1179546C (zh) 2004-12-08
GB2363933A (en) 2002-01-09
GB2363933B (en) 2003-08-27

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Effective date: 20200410