KR20070116618A - 저비용 색역 매핑 알고리즘을 구현하기 위한 시스템과 방법 - Google Patents
저비용 색역 매핑 알고리즘을 구현하기 위한 시스템과 방법 Download PDFInfo
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- KR20070116618A KR20070116618A KR1020077022467A KR20077022467A KR20070116618A KR 20070116618 A KR20070116618 A KR 20070116618A KR 1020077022467 A KR1020077022467 A KR 1020077022467A KR 20077022467 A KR20077022467 A KR 20077022467A KR 20070116618 A KR20070116618 A KR 20070116618A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2003—Display of colours
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—Two-dimensional [2D] image generation
- G06T11/20—Drawing from basic elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/06—Colour space transformation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Color Image Communication Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (10)
- 3개의 입력 원색으로 지정된 입력 이미지 데이터를 수신하고, 상기 입력 이미지 데이터를 4개의 디스플레이 원색으로 컬러 값을 지정하는 이미지 데이터 세트로 변환하는, 디스플레이 시스템에서,상기 디스플레이 시스템은:4개의 디스플레이 원색의 상기 세트의 제1 디스플레이 원색의 값을 결정하기 위한 모듈; 및상기 제1 디스플레이 원색의 값에 기초해서 동시적 방정식에 대한 해결 세트를 계산하는, 제2, 제3 및 제4 디스플레이 원색의 값을 결정하기 위한 모듈을포함하는, 디스플레이 시스템.
- 제1항에 있어서, 상기 입력 이미지 데이터의 3개의 입력 원색은, RGB 줄무늬 데이터, YCbCr, 데이터, sRGB 데이터 및 YUV 데이터를 포함하는 그룹 중 하나인, 디스플레이 시스템.
- 제1항에 있어서, 상기 이미지 데이터 세트의 4개의 디스플레이 원색은 RGBW, RGBY, RGBC, RGBM 및 RGCM을 포함하는 그룹 중의 하나인, 디스플레이 시스템.
- 제1항에 있어서, 상기 제1 원색 디스플레이 컬러의 값을 결정하기 위한 모듈 은 상기 제1 원색 디스플레이 컬러의 허용 가능한 값의 세트를 결정하는, 디스플레이 시스템.
- 제1항에 있어서, 상기 제1 원색 디스플레이 컬러의 값을 결정하기 위한 모듈은 상기 제1 원색 디스플레이 컬러에 대한 최대값과 최소값을 결정하고, 상기 제1 원색 디스플레이 컬러의 값을 생성하기 위해 상기 최대값과 최소값의 평균을 계산하는, 디스플레이 시스템.
- 제1항에 있어서, 상기 제1 원색 디스플레이 컬러의 값을 결정하기 위한 모듈은 상기 제1 원색 디스플레이 컬러에 대한 최대값과 최소값을 결정하고, 상기 제1 원색 디스플레이 컬러의 값을 생성하기 위해 상기 최대값과 최소값의 평균을 계산하는, 디스플레이 시스템.
- 디스플레이 상에 렌더링하기 위해 RGB 입력 이미지 데이터를 RGBW 이미지 데이터 세트로 변환하기 위한 방법으로서,RGB 입력 이미지 데이터에 기초해서 W 이미지 데이터에 대한 값을 계산하는 단계;상기 디스플레이에 대해 색도 사양(specification)에 기초해 W에 대해 허용 가능한 값을 유도하는 단계; 및상기 허용 가능한 W 값에 기초해서 R, G 및 B 입력 이미지 데이터에 대한 출 력값을 계산하는 단계를포함하는, RGB 입력 이미지 데이터를 RGBW 이미지 데이터 세트로 변환하기 위한 방법.
- 제7항에 있어서, W 이미지 데이터에 대한 값을 계산하는 단계는 상기 RGB 입력 데이터의 휘도값을 사용하는, RGB 입력 이미지 데이터를 RGBW 이미지 데이터 세트로 변환하기 위한 방법.
- 제7항에 있어서, 상기 디스플레이의 상기 색도 사양은 상기 디스플레이로부터 측정되는, RGB 입력 이미지 데이터를 RGBW 이미지 데이터 세트로 변환하기 위한 방법.
- 제7항에 있어서, 상기 디스플레이의 상기 색도 사양은 상기 디스플레이로부터 유도되는, RGB 입력 이미지 데이터를 RGBW 이미지 데이터 세트로 변환하기 위한 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66851105P | 2005-04-04 | 2005-04-04 | |
| US60/668,511 | 2005-04-04 | ||
| PCT/US2006/012766 WO2006108083A2 (en) | 2005-04-04 | 2006-04-04 | Systems and methods for implementing low cost gamut mapping algorithms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070116618A true KR20070116618A (ko) | 2007-12-10 |
| KR101229886B1 KR101229886B1 (ko) | 2013-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077022467A Expired - Lifetime KR101229886B1 (ko) | 2005-04-04 | 2006-04-04 | 저비용 색역 매핑 알고리즘을 구현하기 위한 시스템과 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7990393B2 (ko) |
| KR (1) | KR101229886B1 (ko) |
| CN (1) | CN101171594A (ko) |
| TW (1) | TWI364726B (ko) |
| WO (1) | WO2006108083A2 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20150046745A (ko) * | 2013-10-22 | 2015-04-30 | 가부시키가이샤 재팬 디스프레이 | 표시 장치 및 색 변환 방법 |
| KR20150046758A (ko) * | 2013-10-22 | 2015-04-30 | 가부시키가이샤 재팬 디스프레이 | 화상 처리 장치, 화상 표시 장치, 전자 기기 및 화상 처리 방법 |
| US10769980B2 (en) | 2017-12-28 | 2020-09-08 | Lg Display Co., Ltd. | Tiled display and optical compensation method thereof |
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| US6980219B2 (en) | 2003-10-21 | 2005-12-27 | Clairvoyante, Inc | Hue angle calculation system and methods |
| US7728846B2 (en) | 2003-10-21 | 2010-06-01 | Samsung Electronics Co., Ltd. | Method and apparatus for converting from source color space to RGBW target color space |
| US7598961B2 (en) | 2003-10-21 | 2009-10-06 | Samsung Electronics Co., Ltd. | method and apparatus for converting from a source color space to a target color space |
| US6885380B1 (en) * | 2003-11-07 | 2005-04-26 | Eastman Kodak Company | Method for transforming three colors input signals to four or more output signals for a color display |
| KR101058125B1 (ko) * | 2004-02-23 | 2011-08-24 | 삼성전자주식회사 | 화상 표시 방법 및 표시 장치와, 이의 구동 장치 및 방법 |
| US7619637B2 (en) | 2004-04-09 | 2009-11-17 | Samsung Electronics Co., Ltd. | Systems and methods for improved gamut mapping from one image data set to another |
| US7164429B1 (en) * | 2004-07-07 | 2007-01-16 | Hewlett-Packard Development Company, L.P. | Signal conversion system |
| CN1882103B (zh) | 2005-04-04 | 2010-06-23 | 三星电子株式会社 | 实现改进的色域对映演算的系统及方法 |
| US7586497B2 (en) * | 2005-12-20 | 2009-09-08 | Eastman Kodak Company | OLED display with improved power performance |
| KR101147084B1 (ko) * | 2005-12-20 | 2012-05-17 | 엘지디스플레이 주식회사 | 액정 표시장치의 구동장치 및 구동방법 |
-
2006
- 2006-04-04 CN CNA2006800152741A patent/CN101171594A/zh active Pending
- 2006-04-04 WO PCT/US2006/012766 patent/WO2006108083A2/en not_active Ceased
- 2006-04-04 US US11/815,442 patent/US7990393B2/en active Active
- 2006-04-04 KR KR1020077022467A patent/KR101229886B1/ko not_active Expired - Lifetime
- 2006-04-04 TW TW095111898A patent/TWI364726B/zh active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150046745A (ko) * | 2013-10-22 | 2015-04-30 | 가부시키가이샤 재팬 디스프레이 | 표시 장치 및 색 변환 방법 |
| KR20150046758A (ko) * | 2013-10-22 | 2015-04-30 | 가부시키가이샤 재팬 디스프레이 | 화상 처리 장치, 화상 표시 장치, 전자 기기 및 화상 처리 방법 |
| US9865191B2 (en) | 2013-10-22 | 2018-01-09 | Japan Display Inc. | Image processing device, display device, electronic device and method for processing an image |
| US9947268B2 (en) | 2013-10-22 | 2018-04-17 | Japan Display Inc. | Display device and color conversion method |
| US10769980B2 (en) | 2017-12-28 | 2020-09-08 | Lg Display Co., Ltd. | Tiled display and optical compensation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006108083A2 (en) | 2006-10-12 |
| KR101229886B1 (ko) | 2013-02-07 |
| WO2006108083A3 (en) | 2007-01-11 |
| US7990393B2 (en) | 2011-08-02 |
| US20080150958A1 (en) | 2008-06-26 |
| TW200705315A (en) | 2007-02-01 |
| CN101171594A (zh) | 2008-04-30 |
| TWI364726B (en) | 2012-05-21 |
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