CN101374194A - 视频信号处理装置、视频信号处理方法以及显示装置 - Google Patents
视频信号处理装置、视频信号处理方法以及显示装置 Download PDFInfo
- Publication number
- CN101374194A CN101374194A CNA2008102109376A CN200810210937A CN101374194A CN 101374194 A CN101374194 A CN 101374194A CN A2008102109376 A CNA2008102109376 A CN A2008102109376A CN 200810210937 A CN200810210937 A CN 200810210937A CN 101374194 A CN101374194 A CN 101374194A
- Authority
- CN
- China
- Prior art keywords
- coefficient
- level
- video signal
- signal
- interpolation arithmetic
- 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
Links
- 238000012545 processing Methods 0.000 title claims abstract description 34
- 238000003672 processing method Methods 0.000 title claims description 13
- 238000012937 correction Methods 0.000 claims abstract description 100
- 230000015654 memory Effects 0.000 claims description 15
- 230000006870 function Effects 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000001915 proofreading effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000010365 information processing Effects 0.000 claims 1
- 238000002620 method output Methods 0.000 claims 1
- 238000010606 normalization Methods 0.000 claims 1
- 230000014509 gene expression Effects 0.000 description 28
- 241001269238 Data Species 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007214633A JP2009049752A (ja) | 2007-08-21 | 2007-08-21 | 映像信号処理装置、映像信号処理方法、及び表示装置 |
JP2007214633 | 2007-08-21 | ||
JP2007-214633 | 2007-08-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101374194A true CN101374194A (zh) | 2009-02-25 |
CN101374194B CN101374194B (zh) | 2012-02-22 |
Family
ID=40003045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008102109376A Expired - Fee Related CN101374194B (zh) | 2007-08-21 | 2008-08-15 | 视频信号处理装置、视频信号处理方法以及显示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090051818A1 (zh) |
EP (1) | EP2028837A3 (zh) |
JP (1) | JP2009049752A (zh) |
KR (1) | KR100966776B1 (zh) |
CN (1) | CN101374194B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101986567A (zh) * | 2009-07-28 | 2011-03-16 | 瑞萨电子株式会社 | 时钟数据恢复电路和显示装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2947544B1 (fr) | 2009-07-02 | 2011-12-09 | Centre Nat Rech Scient | Fonctionnalisation de surfaces a base de carbone, de silicium et/ou de germanium hybrides sp3 |
US8717378B2 (en) * | 2011-03-29 | 2014-05-06 | Samsung Display Co., Ltd. | Method and apparatus for reduced gate count gamma correction |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11252372A (ja) | 1998-03-04 | 1999-09-17 | Minolta Co Ltd | データ変換回路及び画像読取装置 |
JPH11341347A (ja) * | 1998-05-11 | 1999-12-10 | Newcore Technol Inc | 信号変換処理装置 |
US6606093B1 (en) * | 1998-05-19 | 2003-08-12 | Microsoft Corporation | Method and apparatus for antialiasing by gamma corrected area calculation |
US6690422B1 (en) * | 1999-11-03 | 2004-02-10 | Sharp Laboratories Of America, Inc. | Method and system for field sequential color image capture using color filter array |
JP3552996B2 (ja) | 2000-06-29 | 2004-08-11 | 松下電器産業株式会社 | ガンマ補正装置 |
US6795587B2 (en) * | 2001-07-23 | 2004-09-21 | Micron Technology, Inc. | Image resizing using short asymmetric FIR filters |
JP2003298877A (ja) * | 2002-03-29 | 2003-10-17 | Fujitsu General Ltd | 非線形処理回路 |
JP3899994B2 (ja) * | 2002-04-19 | 2007-03-28 | ソニー株式会社 | 画像信号処理装置、及び、画像信号処理方法 |
JP2003316331A (ja) * | 2002-04-25 | 2003-11-07 | Sanyo Electric Co Ltd | 表示装置 |
JP4131158B2 (ja) * | 2002-10-18 | 2008-08-13 | ソニー株式会社 | 映像信号処理装置、ガンマ補正方法及び表示装置 |
JP2004350115A (ja) | 2003-05-23 | 2004-12-09 | Matsushita Electric Ind Co Ltd | ガンマ補正装置およびガンマ補正方法 |
JP4720088B2 (ja) * | 2004-02-02 | 2011-07-13 | セイコーエプソン株式会社 | 階調補正回路、画像表示装置及び画像処理方法 |
-
2007
- 2007-08-21 JP JP2007214633A patent/JP2009049752A/ja active Pending
-
2008
- 2008-07-01 EP EP08159423A patent/EP2028837A3/en not_active Withdrawn
- 2008-08-15 CN CN2008102109376A patent/CN101374194B/zh not_active Expired - Fee Related
- 2008-08-18 US US12/193,418 patent/US20090051818A1/en not_active Abandoned
- 2008-08-21 KR KR1020080082092A patent/KR100966776B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101986567A (zh) * | 2009-07-28 | 2011-03-16 | 瑞萨电子株式会社 | 时钟数据恢复电路和显示装置 |
CN101986567B (zh) * | 2009-07-28 | 2014-06-11 | 瑞萨电子株式会社 | 时钟数据恢复电路和显示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2009049752A (ja) | 2009-03-05 |
EP2028837A3 (en) | 2010-10-20 |
US20090051818A1 (en) | 2009-02-26 |
EP2028837A2 (en) | 2009-02-25 |
KR20090019750A (ko) | 2009-02-25 |
KR100966776B1 (ko) | 2010-06-29 |
CN101374194B (zh) | 2012-02-22 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HU NAN QIU ZEYOU PATENT STRATEGIC PLANNING CO., LT Free format text: FORMER OWNER: QIU ZEYOU Effective date: 20101102 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410011 28/F, SHUNTIANCHENG, NO.59, SECTION 2 OF FURONG MIDDLE ROAD, CHANGSHA CITY, HU NAN PROVINCE TO: 410205 JUXING INDUSTRY BASE, NO.8, LUJING ROAD, CHANGSHA HIGH-TECH. DEVELOPMENT ZONE, YUELU DISTRICT, CHANGSHA CITY, HU NAN PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20101109 Address after: Kanagawa, Japan Applicant after: Renesas Electronics Corporation Address before: Kanagawa, Japan Applicant before: NEC Corp. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20130815 |