CN100505830C - 旨在补偿显示设备的缺陷的处理视频信号的方法和设备 - Google Patents
旨在补偿显示设备的缺陷的处理视频信号的方法和设备 Download PDFInfo
- Publication number
- CN100505830C CN100505830C CNB2005101096110A CN200510109611A CN100505830C CN 100505830 C CN100505830 C CN 100505830C CN B2005101096110 A CNB2005101096110 A CN B2005101096110A CN 200510109611 A CN200510109611 A CN 200510109611A CN 100505830 C CN100505830 C CN 100505830C
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- component
- vision signal
- law
- gamma law
- gamma
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- 238000012545 processing Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000007547 defect Effects 0.000 title abstract description 10
- 230000001915 proofreading effect Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 8
- 230000006870 function Effects 0.000 description 12
- 230000002950 deficient Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Processing Of Color Television Signals (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0452114 | 2004-09-21 | ||
FR0452114A FR2875666A1 (fr) | 2004-09-21 | 2004-09-21 | Procede et dispositif de traitement d'un signal video visant a compenser les defauts de dispositifs d'affichage |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1753456A CN1753456A (zh) | 2006-03-29 |
CN100505830C true CN100505830C (zh) | 2009-06-24 |
Family
ID=34948412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101096110A Active CN100505830C (zh) | 2004-09-21 | 2005-09-14 | 旨在补偿显示设备的缺陷的处理视频信号的方法和设备 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7511770B2 (zh) |
EP (1) | EP1638315B1 (zh) |
JP (1) | JP4694925B2 (zh) |
KR (1) | KR101105350B1 (zh) |
CN (1) | CN100505830C (zh) |
FR (1) | FR2875666A1 (zh) |
MX (1) | MXPA05009747A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080007565A1 (en) * | 2006-07-03 | 2008-01-10 | Shinichi Nogawa | Color correction circuit, driving device, and display device |
JP4872508B2 (ja) * | 2006-07-28 | 2012-02-08 | ソニー株式会社 | 画像処理装置および画像処理方法、並びにプログラム |
KR101437911B1 (ko) | 2007-11-29 | 2014-09-05 | 삼성전자주식회사 | 다이나믹 영역 확장 방법 및 장치 |
US20100156956A1 (en) * | 2008-12-19 | 2010-06-24 | Madden Thomas E | Grayscale characteristic for non-crt displays |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61270995A (ja) * | 1985-05-25 | 1986-12-01 | Nec Home Electronics Ltd | テレビジヨン画質改善装置 |
KR100256893B1 (ko) | 1992-11-14 | 2000-05-15 | 윤종용 | 화상데이타 감마 보정장치 |
US5510851A (en) * | 1994-03-29 | 1996-04-23 | Radius Inc. | Method and apparatus for dynamic purity correction |
JP3953561B2 (ja) * | 1996-10-15 | 2007-08-08 | 株式会社日立製作所 | 画像信号のフォーマット変換信号処理方法及び回路 |
KR100213223B1 (ko) * | 1996-12-30 | 1999-08-02 | 윤종용 | 고체 촬상 소자를 이용한 카메라 시스템의 신호 처리 장치 |
JPH10233942A (ja) * | 1997-02-19 | 1998-09-02 | Sony Corp | 画像表示制御装置および方法 |
JP4016493B2 (ja) * | 1998-08-05 | 2007-12-05 | 三菱電機株式会社 | ディスプレイ装置及びその多階調化回路 |
JP2001292340A (ja) * | 2000-04-04 | 2001-10-19 | Ikegami Tsushinki Co Ltd | 輪郭補正回路 |
JP2003032513A (ja) * | 2001-07-17 | 2003-01-31 | Sanyo Electric Co Ltd | 画像信号処理装置 |
KR20050085376A (ko) * | 2002-12-06 | 2005-08-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 감마 보정 |
US7372507B2 (en) * | 2005-02-08 | 2008-05-13 | Texas Instruments Incorporated | Real-time content based gamma adjustment for digital video display |
-
2004
- 2004-09-21 FR FR0452114A patent/FR2875666A1/fr active Pending
-
2005
- 2005-09-08 US US11/223,728 patent/US7511770B2/en active Active
- 2005-09-08 KR KR1020050083838A patent/KR101105350B1/ko active IP Right Grant
- 2005-09-12 JP JP2005263968A patent/JP4694925B2/ja active Active
- 2005-09-13 EP EP05108361.6A patent/EP1638315B1/en active Active
- 2005-09-13 MX MXPA05009747A patent/MXPA05009747A/es active IP Right Grant
- 2005-09-14 CN CNB2005101096110A patent/CN100505830C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20070052863A1 (en) | 2007-03-08 |
US7511770B2 (en) | 2009-03-31 |
JP4694925B2 (ja) | 2011-06-08 |
KR20060051125A (ko) | 2006-05-19 |
KR101105350B1 (ko) | 2012-01-16 |
FR2875666A1 (fr) | 2006-03-24 |
CN1753456A (zh) | 2006-03-29 |
EP1638315A1 (en) | 2006-03-22 |
EP1638315B1 (en) | 2017-07-12 |
JP2006094491A (ja) | 2006-04-06 |
MXPA05009747A (es) | 2006-03-27 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: French Boulogne Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190128 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |