CN100428775C - 图像处理装置 - Google Patents
图像处理装置 Download PDFInfo
- Publication number
- CN100428775C CN100428775C CNB2006100671088A CN200610067108A CN100428775C CN 100428775 C CN100428775 C CN 100428775C CN B2006100671088 A CNB2006100671088 A CN B2006100671088A CN 200610067108 A CN200610067108 A CN 200610067108A CN 100428775 C CN100428775 C CN 100428775C
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- 238000012545 processing Methods 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 47
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- 230000007480 spreading Effects 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 2
- 238000000205 computational method Methods 0.000 description 13
- 101000832687 Cavia porcellus 3-alpha-hydroxysteroid sulfotransferase Proteins 0.000 description 12
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- 238000010586 diagram Methods 0.000 description 7
- 101150021206 HST3 gene Proteins 0.000 description 6
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Images
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 using histogram techniques
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- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005130737 | 2005-04-28 | ||
JP2005130737A JP4617989B2 (ja) | 2005-04-28 | 2005-04-28 | 映像処理装置 |
JP2005-130737 | 2005-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1856012A CN1856012A (zh) | 2006-11-01 |
CN100428775C true CN100428775C (zh) | 2008-10-22 |
Family
ID=36219210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100671088A Active CN100428775C (zh) | 2005-04-28 | 2006-03-31 | 图像处理装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7719619B2 (zh) |
JP (1) | JP4617989B2 (zh) |
CN (1) | CN100428775C (zh) |
GB (1) | GB2425670B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4691091B2 (ja) * | 2005-03-10 | 2011-06-01 | パナソニック株式会社 | 表示装置、コントラスト調整方法及びコントラスト調整プログラム |
US8207931B2 (en) * | 2007-05-31 | 2012-06-26 | Hong Kong Applied Science and Technology Research Institute Company Limited | Method of displaying a low dynamic range image in a high dynamic range |
KR101448642B1 (ko) * | 2008-04-22 | 2014-10-08 | 엘지전자 주식회사 | 영상기기의 블랙 레벨 조정 방법 및 그 방법을 채용한영상기기 |
KR20100012603A (ko) * | 2008-07-29 | 2010-02-08 | 삼성전자주식회사 | 색 보정 방법 및 그 장치 |
KR101616924B1 (ko) | 2009-12-18 | 2016-05-02 | 엘지디스플레이 주식회사 | 액정표시장치 |
TR201001660A2 (tr) | 2010-03-04 | 2011-09-21 | Vestel Elektron�K Sanay� Ve T�Caret A.�. | Dinamik aralık genişletme için siyah ve beyaz çekme yöntemi. |
JP2012019381A (ja) * | 2010-07-08 | 2012-01-26 | Sony Corp | 画像処理装置及び画像処理方法 |
JP5696783B2 (ja) * | 2011-05-09 | 2015-04-08 | コニカミノルタ株式会社 | 画像処理装置 |
JP5221780B1 (ja) * | 2012-02-03 | 2013-06-26 | シャープ株式会社 | 映像表示装置およびテレビ受信装置 |
JP5085792B1 (ja) * | 2012-02-08 | 2012-11-28 | シャープ株式会社 | 映像表示装置およびテレビ受信装置 |
JP5197858B1 (ja) * | 2012-02-15 | 2013-05-15 | シャープ株式会社 | 映像表示装置およびテレビ受信装置 |
CN104412158B (zh) * | 2012-07-01 | 2016-12-07 | 巴科股份有限公司 | 投影仪光学器件 |
US9805662B2 (en) * | 2015-03-23 | 2017-10-31 | Intel Corporation | Content adaptive backlight power saving technology |
CN109844809B (zh) * | 2017-11-30 | 2022-04-15 | 深圳配天智能技术研究院有限公司 | 一种图像处理方法及装置、计算机可读存储介质 |
CN111883070B (zh) * | 2020-07-30 | 2021-09-10 | 重庆惠科金渝光电科技有限公司 | 一种显示面板的驱动方法、驱动模块和显示装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1413019A (zh) * | 2001-10-13 | 2003-04-23 | 三星电子株式会社 | 用于控制视频信号的黑色扩展的装置和方法 |
EP1359746A1 (en) * | 2001-05-31 | 2003-11-05 | Matsushita Electric Industrial Co., Ltd. | Image processing apparatus and image processing method |
US20030214607A1 (en) * | 2001-07-26 | 2003-11-20 | Seiko Epson Corporation | Image processing system, projector, information storage medium and black and white extension processing method |
EP1517544A1 (en) * | 2002-06-25 | 2005-03-23 | Sony Corporation | Video signal processing device and method |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3600514A (en) * | 1970-03-09 | 1971-08-17 | Zenith Radio Corp | Solid-state luminance channel for color television receiver |
JPS645569U (zh) * | 1987-06-26 | 1989-01-12 | ||
JP2784839B2 (ja) * | 1990-07-17 | 1998-08-06 | 松下電器産業株式会社 | 映像信号の階調補正装置 |
US5257108A (en) * | 1990-08-06 | 1993-10-26 | Koji Muraoka | Video signal processing circuit for improving contrast for an LCD display |
JP2936791B2 (ja) * | 1991-05-28 | 1999-08-23 | 松下電器産業株式会社 | 階調補正装置 |
JP2991549B2 (ja) | 1991-10-22 | 1999-12-20 | 株式会社東芝 | 映像信号処理装置 |
DE4203092A1 (de) * | 1992-02-04 | 1993-08-05 | Philips Patentverwaltung | Verfahren zur kontrastkorrektur |
JPH05292346A (ja) | 1992-04-06 | 1993-11-05 | Sony Corp | 映像信号処理回路 |
US5515113A (en) | 1994-02-28 | 1996-05-07 | Matsushita Electric Industrial Co., Ltd. | Automatic black stretch control for a television receiver |
US5734362A (en) * | 1995-06-07 | 1998-03-31 | Cirrus Logic, Inc. | Brightness control for liquid crystal displays |
JP3501252B2 (ja) * | 1995-06-16 | 2004-03-02 | 三菱電機株式会社 | 階調補正装置 |
EP0973128B1 (en) | 1998-06-22 | 2003-06-11 | Texas Instruments Incorporated | Selective intensity expansion |
KR100346840B1 (ko) * | 1999-11-04 | 2002-08-03 | 삼성전자 주식회사 | 화면의 펄럭거림을 최소화하는 흑신장 장치 및 그 방법 |
JP4207353B2 (ja) * | 2000-03-01 | 2009-01-14 | 株式会社島津製作所 | 自動コントラスト・ブライトネス調整装置 |
JP2002281346A (ja) * | 2001-03-15 | 2002-09-27 | Matsushita Electric Ind Co Ltd | 階調補正装置 |
JP3709981B2 (ja) * | 2001-05-31 | 2005-10-26 | 松下電器産業株式会社 | 階調補正装置及び方法 |
JP3844430B2 (ja) * | 2001-06-26 | 2006-11-15 | 三菱電機株式会社 | 映像信号処理装置および映像信号処理方法 |
JP4267299B2 (ja) * | 2001-11-19 | 2009-05-27 | パナソニック株式会社 | 表示制御装置、画像表示装置および制御データ転送方法 |
JP2004101552A (ja) | 2002-09-04 | 2004-04-02 | Seiko Epson Corp | 画像処理システム、プロジェクタ、プログラム、情報記憶媒体および白黒伸長処理方法 |
KR100512976B1 (ko) | 2003-08-09 | 2005-09-07 | 삼성전자주식회사 | 화면의 콘트라스트를 향상시키는 블랙/화이트 스트레칭시스템 및 그의 스트레칭 방법 |
-
2005
- 2005-04-28 JP JP2005130737A patent/JP4617989B2/ja active Active
-
2006
- 2006-03-06 US US11/367,703 patent/US7719619B2/en active Active
- 2006-03-06 GB GB0604472A patent/GB2425670B/en active Active
- 2006-03-31 CN CNB2006100671088A patent/CN100428775C/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1359746A1 (en) * | 2001-05-31 | 2003-11-05 | Matsushita Electric Industrial Co., Ltd. | Image processing apparatus and image processing method |
US20030214607A1 (en) * | 2001-07-26 | 2003-11-20 | Seiko Epson Corporation | Image processing system, projector, information storage medium and black and white extension processing method |
CN1476718A (zh) * | 2001-07-26 | 2004-02-18 | ������������ʽ���� | 图像处理系统、投影仪、信息存储媒体及黑白扩展处理法 |
CN1413019A (zh) * | 2001-10-13 | 2003-04-23 | 三星电子株式会社 | 用于控制视频信号的黑色扩展的装置和方法 |
EP1517544A1 (en) * | 2002-06-25 | 2005-03-23 | Sony Corporation | Video signal processing device and method |
Also Published As
Publication number | Publication date |
---|---|
US20060256240A1 (en) | 2006-11-16 |
GB0604472D0 (en) | 2006-04-12 |
GB2425670A (en) | 2006-11-01 |
US7719619B2 (en) | 2010-05-18 |
GB2425670B (en) | 2007-06-20 |
JP2006311162A (ja) | 2006-11-09 |
CN1856012A (zh) | 2006-11-01 |
JP4617989B2 (ja) | 2011-01-26 |
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C06 | Publication | ||
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Owner name: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130819 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130819 Address after: Tokyo, Japan Patentee after: HITACHI CONSUMER ELECTRONICS Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi, Ltd. |
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Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150309 |
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Effective date of registration: 20150309 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
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Effective date of registration: 20180307 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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Effective date of registration: 20220606 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |