IN190917B - - Google Patents
Info
- Publication number
- IN190917B IN190917B IN2015CA1996A IN190917B IN 190917 B IN190917 B IN 190917B IN 2015CA1996 A IN2015CA1996 A IN 2015CA1996A IN 190917 B IN190917 B IN 190917B
- Authority
- IN
- India
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950049345A KR100206319B1 (ko) | 1995-12-13 | 1995-12-13 | 비디오 신호의 로컬 콘트라스트 개선을 위한 방법및장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN190917B true IN190917B (ja) | 2003-08-30 |
Family
ID=19439673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2015CA1996 IN190917B (ja) | 1995-12-13 | 1996-11-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5930402A (ja) |
| JP (1) | JP3156993B2 (ja) |
| KR (1) | KR100206319B1 (ja) |
| CN (1) | CN1069010C (ja) |
| GB (1) | GB2308265B (ja) |
| IN (1) | IN190917B (ja) |
| MY (1) | MY123725A (ja) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108453A (en) * | 1998-09-16 | 2000-08-22 | Intel Corporation | General image enhancement framework |
| KR100343744B1 (ko) * | 2000-09-30 | 2002-07-20 | 엘지전자주식회사 | 영상신호의 콘트라스트 향상 장치 |
| CA2427462C (en) * | 2000-11-30 | 2011-03-08 | Canon Kabushiki Kaisha | Image processing device, image processing method, storage medium, and program |
| KR100547330B1 (ko) * | 2000-11-30 | 2006-01-26 | 캐논 가부시끼가이샤 | 화상처리장치, 화상처리방법 및 기억매체 |
| US7130483B2 (en) * | 2001-12-12 | 2006-10-31 | Samsung Electronics Co., Ltd. | Method for enhancing a digital image while suppressing undershoots and overshoots |
| US7271851B2 (en) * | 2003-01-16 | 2007-09-18 | Samsung Electronics Co., Ltd. | Adaptive color transient improvement |
| KR100497395B1 (ko) * | 2003-06-30 | 2005-06-23 | 삼성전자주식회사 | 화질을 자동으로 설정하는 방법 |
| TWI234398B (en) * | 2003-11-20 | 2005-06-11 | Sunplus Technology Co Ltd | Automatic contrast limiting circuit by spatial domain infinite impulse response filter and method thereof |
| US7856141B2 (en) * | 2006-09-01 | 2010-12-21 | Mediatek Inc. | Method for adjusting saturation and contrast of an area of an image and apparatus thereof |
| US7602988B2 (en) * | 2006-09-01 | 2009-10-13 | Mediatek Inc. | Method for adjusting saturation and contrast of an area of an image and apparatus thereof |
| JP4893489B2 (ja) * | 2007-06-15 | 2012-03-07 | ソニー株式会社 | 画像処理装置、画像処理方法、画像処理方法のプログラム及び画像処理方法のプログラムを記録した記録媒体 |
| TWI466093B (zh) * | 2007-06-26 | 2014-12-21 | Apple Inc | 用於視訊播放的管理技術 |
| TWI479891B (zh) * | 2007-06-26 | 2015-04-01 | Apple Inc | 動態背光調適 |
| US8766902B2 (en) * | 2007-12-21 | 2014-07-01 | Apple Inc. | Management techniques for video playback |
| JP4453777B2 (ja) * | 2008-07-15 | 2010-04-21 | 日本ビクター株式会社 | 画質改善装置及び方法 |
| US10055827B2 (en) * | 2008-09-16 | 2018-08-21 | Second Sight Medical Products, Inc. | Digital image filters and related methods for image contrast enhancement |
| US8103120B2 (en) * | 2008-09-22 | 2012-01-24 | Solomon Systech Limited | Method and apparatus of local contrast enhancement |
| EP2690860B1 (en) * | 2011-03-24 | 2016-04-20 | Mitsubishi Electric Corporation | Image processing device and method |
| US9008458B2 (en) | 2013-02-07 | 2015-04-14 | Raytheon Company | Local area processing using packed distribution functions |
| CN105654435B (zh) * | 2015-12-25 | 2018-09-11 | 武汉鸿瑞达信息技术有限公司 | 一种人脸皮肤柔化美白方法 |
| US10621710B2 (en) | 2016-02-12 | 2020-04-14 | Samsung Electronics Co., Ltd. | Display device and display method therefor |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996421A (en) * | 1975-09-02 | 1976-12-07 | Hughes Aircraft Company | Television display utilizing local area brightness control |
| US4187519A (en) * | 1978-08-17 | 1980-02-05 | Rockwell International Corporation | System for expanding the video contrast of an image |
| US4231065A (en) * | 1979-01-11 | 1980-10-28 | Honeywell Inc. | Local area contrast enhancement device |
| GB2061660B (en) * | 1979-10-17 | 1983-08-24 | Philips Electronic Associated | Modifying the contrast of an image |
| US4463381A (en) * | 1980-04-16 | 1984-07-31 | Eastman Kodak Company | Image processing apparatus including a partitioned low pass channel |
| EP0098319B1 (de) * | 1982-07-03 | 1986-03-26 | DR.-ING. RUDOLF HELL GmbH | Verfahren und Anordnung zur Kontraststeigerung |
| JPS60263579A (ja) * | 1984-06-09 | 1985-12-27 | Fuji Photo Film Co Ltd | 画像信号補正方法 |
| JPS60263577A (ja) * | 1984-06-09 | 1985-12-27 | Fuji Photo Film Co Ltd | 画像信号補正方法 |
| DE3520405A1 (de) * | 1984-06-09 | 1985-12-12 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Verfahren zur bearbeitung von bildsignalen |
| JPS60263580A (ja) * | 1984-06-09 | 1985-12-27 | Fuji Photo Film Co Ltd | 画像信号補正方法 |
| US4623924A (en) * | 1985-02-19 | 1986-11-18 | Rca Corporation | Video signal auto peaking circuitry |
| JPH0636565B2 (ja) * | 1985-09-20 | 1994-05-11 | 松下電器産業株式会社 | 映像信号の雑音低減装置 |
| JP2578409B2 (ja) * | 1986-08-07 | 1997-02-05 | キヤノン株式会社 | 画像処理装置 |
| JPS6346880A (ja) * | 1986-08-14 | 1988-02-27 | Nec Corp | 画像強調回路 |
| DE3629409C2 (de) * | 1986-08-29 | 1994-02-17 | Agfa Gevaert Ag | Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung |
| JPS63198483A (ja) * | 1987-02-13 | 1988-08-17 | Toshiba Corp | 画質調整回路 |
| JPH071925B2 (ja) * | 1987-03-18 | 1995-01-11 | デイジビジヨン・インコ−ポレ−テツド | 分離可能な２次元フイルタを使用するビデオ映像の実時間局部増強装置 |
| JPS6482879A (en) * | 1987-09-25 | 1989-03-28 | Japan Broadcasting Corp | Adaptive type emphasis system |
| US4991021A (en) * | 1988-06-22 | 1991-02-05 | Nec Corporation | Digital video signal compensation circuit |
| US5038388A (en) * | 1989-05-15 | 1991-08-06 | Polaroid Corporation | Method for adaptively sharpening electronic images |
| JP3033587B2 (ja) * | 1989-11-10 | 2000-04-17 | ソニー株式会社 | 自動画質調整装置 |
| JPH04120980A (ja) * | 1990-09-12 | 1992-04-21 | Toshiba Corp | 水平輸郭補償回路 |
| JPH04176266A (ja) * | 1990-11-09 | 1992-06-23 | Matsushita Electric Ind Co Ltd | 輪郭補正装置 |
| JP3114208B2 (ja) * | 1991-01-08 | 2000-12-04 | 日本電気株式会社 | 適応画像強調回路 |
| JP3074206B2 (ja) * | 1991-08-30 | 2000-08-07 | 富士写真フイルム株式会社 | 画像処理装置および方法 |
-
1995
- 1995-12-13 KR KR1019950049345A patent/KR100206319B1/ko not_active IP Right Cessation
-
1996
- 1996-11-21 IN IN2015CA1996 patent/IN190917B/en unknown
- 1996-11-22 MY MYPI96004868A patent/MY123725A/en unknown
- 1996-12-05 US US08/760,764 patent/US5930402A/en not_active Expired - Fee Related
- 1996-12-09 JP JP32882596A patent/JP3156993B2/ja not_active Expired - Fee Related
- 1996-12-10 CN CN96121900A patent/CN1069010C/zh not_active Expired - Fee Related
- 1996-12-13 GB GB9625981A patent/GB2308265B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9625981D0 (en) | 1997-01-29 |
| GB2308265B (en) | 1998-02-11 |
| JP3156993B2 (ja) | 2001-04-16 |
| KR970057474A (ko) | 1997-07-31 |
| CN1155807A (zh) | 1997-07-30 |
| KR100206319B1 (ko) | 1999-07-01 |
| JPH09181940A (ja) | 1997-07-11 |
| CN1069010C (zh) | 2001-07-25 |
| US5930402A (en) | 1999-07-27 |
| MY123725A (en) | 2006-05-31 |
| GB2308265A (en) | 1997-06-18 |