KR100443090B1 - 앨리어싱방지비디오카메라처리장치및방법 - Google Patents
앨리어싱방지비디오카메라처리장치및방법 Download PDFInfo
- Publication number
- KR100443090B1 KR100443090B1 KR1019960031677A KR19960031677A KR100443090B1 KR 100443090 B1 KR100443090 B1 KR 100443090B1 KR 1019960031677 A KR1019960031677 A KR 1019960031677A KR 19960031677 A KR19960031677 A KR 19960031677A KR 100443090 B1 KR100443090 B1 KR 100443090B1
- Authority
- KR
- South Korea
- Prior art keywords
- video signal
- signal
- digital video
- linear
- generating
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/40—Circuit details for pick-up tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
-
- 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)
- Studio Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP95-195634 | 1995-07-31 | ||
| JP7195634A JPH0946554A (ja) | 1995-07-31 | 1995-07-31 | 撮像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970009219A KR970009219A (ko) | 1997-02-24 |
| KR100443090B1 true KR100443090B1 (ko) | 2004-10-22 |
Family
ID=16344434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960031677A Expired - Fee Related KR100443090B1 (ko) | 1995-07-31 | 1996-07-31 | 앨리어싱방지비디오카메라처리장치및방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US6515699B2 (enExample) |
| EP (1) | EP0757477B1 (enExample) |
| JP (1) | JPH0946554A (enExample) |
| KR (1) | KR100443090B1 (enExample) |
| DE (1) | DE69626346T2 (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3887060B2 (ja) * | 1997-04-09 | 2007-02-28 | ペンタックス株式会社 | 電子スチルカメラの画像補正情報記録装置および画像復元処理装置 |
| JP3972478B2 (ja) * | 1998-08-11 | 2007-09-05 | ソニー株式会社 | 撮像装置 |
| JP4285624B2 (ja) * | 2001-06-21 | 2009-06-24 | 富士フイルム株式会社 | 画像信号生成方法および装置 |
| JP4094256B2 (ja) * | 2001-07-30 | 2008-06-04 | Necディスプレイソリューションズ株式会社 | 画質改善装置および画質改善方法 |
| EP1570651A1 (en) * | 2002-12-06 | 2005-09-07 | Koninklijke Philips Electronics N.V. | Gamma correction |
| JP4368127B2 (ja) * | 2003-04-04 | 2009-11-18 | ソニー株式会社 | 撮像装置におけるガンマ補正装置 |
| JP2005065196A (ja) * | 2003-08-20 | 2005-03-10 | Sony Corp | フィルタ、信号処理装置、信号処理方法、記録媒体及びプログラム |
| JP4286124B2 (ja) * | 2003-12-22 | 2009-06-24 | 三洋電機株式会社 | 画像信号処理装置 |
| JP4581633B2 (ja) * | 2004-10-29 | 2010-11-17 | 富士フイルム株式会社 | 色信号補正方法、装置及びプログラム |
| US7525583B2 (en) * | 2005-02-11 | 2009-04-28 | Hewlett-Packard Development Company, L.P. | Decreasing aliasing in electronic images |
| TWI264940B (en) * | 2005-06-29 | 2006-10-21 | Quanta Comp Inc | Method and apparatus for nonlinear coding with 1st order power functions in digital imaging system |
| JP4255467B2 (ja) * | 2005-10-26 | 2009-04-15 | シャープ株式会社 | デジタルガンマ補正回路およびデジタルガンマ補正方法 |
| US20070263127A1 (en) * | 2006-03-07 | 2007-11-15 | Transchip, Inc. | Low Noise Gamma Function In Digital Image Capture Systems And Methods |
| US7868928B2 (en) * | 2006-03-15 | 2011-01-11 | Samsung Electronics Co., Ltd. | Low noise color correction matrix function in digital image capture systems and methods |
| WO2008010023A1 (en) * | 2006-07-12 | 2008-01-24 | Freescale Semiconductor, Inc. | A method for gamma correction and a device having gamma correction capabilities |
| ATE499797T1 (de) * | 2006-11-24 | 2011-03-15 | Bosch Gmbh Robert | Prozess, vorrichtung und computerprogramm zur verbesserung der detailsichtbarkeit in einem eingangsbild |
| JP4829802B2 (ja) * | 2007-01-26 | 2011-12-07 | Necディスプレイソリューションズ株式会社 | 画質改善装置および画質改善方法 |
| JP4922091B2 (ja) * | 2007-07-23 | 2012-04-25 | ルネサスエレクトロニクス株式会社 | 映像信号処理装置、映像信号処理方法及び表示装置 |
| JP5225144B2 (ja) * | 2009-02-23 | 2013-07-03 | 三菱電機株式会社 | 画像処理装置及び方法、並びに画像表示装置 |
| WO2010013401A1 (ja) * | 2008-07-30 | 2010-02-04 | 三菱電機株式会社 | 画像処理装置及び方法、並びに画像表示装置 |
| JP4958876B2 (ja) * | 2008-10-21 | 2012-06-20 | 三菱電機株式会社 | 画像処理装置及び方法並びに画像表示装置 |
| US20100134327A1 (en) * | 2008-11-28 | 2010-06-03 | Dinh Vincent Vinh | Wireless haptic glove for language and information transference |
| JP5471175B2 (ja) * | 2009-08-28 | 2014-04-16 | 三菱電機株式会社 | 画像処理装置及び方法並びに画像表示装置 |
| JP2013137418A (ja) * | 2011-12-28 | 2013-07-11 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置 |
| WO2016031763A1 (ja) * | 2014-08-29 | 2016-03-03 | 株式会社日立国際電気 | 固体撮像装置及び撮像方法 |
| US9917565B2 (en) * | 2015-10-20 | 2018-03-13 | Bose Corporation | System and method for distortion limiting |
Family Cites Families (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610789A (en) | 1979-07-09 | 1981-02-03 | Sony Corp | Eliminating circuit for cross color of solid image pickup unit |
| JPS5741091A (en) | 1980-08-25 | 1982-03-06 | Hitachi Ltd | Signal processing circuit of color video camera |
| JPS6215974A (ja) * | 1985-07-12 | 1987-01-24 | Matsushita Electric Ind Co Ltd | デイジタル階調変換回路制御方法 |
| DE3629396C2 (de) | 1986-08-29 | 1993-12-23 | Agfa Gevaert Ag | Verfahren zur elektronischen Bildverarbeitung |
| GB2203013B (en) | 1987-03-31 | 1991-03-06 | Sony Corp | Aperture correction circuits |
| JP2661036B2 (ja) * | 1987-05-22 | 1997-10-08 | 松下電器産業株式会社 | 輪郭補正装置 |
| JP2605780B2 (ja) | 1988-02-13 | 1997-04-30 | ソニー株式会社 | 輝度信号のガンマ補正回路 |
| JPH01209367A (ja) | 1988-02-17 | 1989-08-23 | Kawasaki Steel Corp | 部分合金化粉の分析試料調整方法 |
| JP2739956B2 (ja) * | 1988-06-06 | 1998-04-15 | 日本放送協会 | ガンマ補正修正回路 |
| US5068718A (en) * | 1988-11-04 | 1991-11-26 | Fuji Photo Film Co., Ltd. | Image quality correcting system for use with an imaging apparatus |
| GB2230915B (en) * | 1989-04-21 | 1993-09-15 | Sony Corp | Digital colour correction |
| US5175621A (en) * | 1989-08-10 | 1992-12-29 | Ikegami Tsushinki Co., Ltd. | Gamma correction circuit and method thereof |
| GB8918560D0 (en) * | 1989-08-15 | 1989-09-27 | Rank Cintel Ltd | Improvements relating to video signal processing |
| US5534948A (en) | 1989-08-15 | 1996-07-09 | Rank Cintel Limited | Method and apparatus for reducing the effect of alias components produced through non-linear digital signal processing, such as gamma correction, by selective attenuation |
| US5280353A (en) | 1989-08-15 | 1994-01-18 | Rank Cintel Limited | Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation |
| AU641938B2 (en) * | 1989-10-04 | 1993-10-07 | Sony Corporation | Signal processing circuit for a solid state imaging apparatus |
| JP2924079B2 (ja) * | 1990-05-14 | 1999-07-26 | ソニー株式会社 | ガンマ補正回路 |
| JPH0432372A (ja) * | 1990-05-29 | 1992-02-04 | Sony Corp | ビデオ信号処理回路 |
| JPH0433477A (ja) * | 1990-05-30 | 1992-02-04 | Hitachi Denshi Ltd | ガンマ補償方式 |
| JPH0445688A (ja) | 1990-06-13 | 1992-02-14 | Hitachi Denshi Ltd | 画像信号の解像度補償方式 |
| JPH0481174A (ja) * | 1990-07-24 | 1992-03-13 | Canon Inc | γ補正機能付A―D変換器 |
| GB2246924B (en) * | 1990-08-08 | 1994-04-27 | Sony Broadcast & Communication | Non-linear processing of digital signals |
| JPH04140980A (ja) | 1990-10-02 | 1992-05-14 | Canon Inc | 非線形ディジタル信号処理装置 |
| JP2748678B2 (ja) * | 1990-10-09 | 1998-05-13 | 松下電器産業株式会社 | 階調補正方法および階調補正装置 |
| JPH04172066A (ja) * | 1990-11-06 | 1992-06-19 | Hitachi Ltd | ビデオカメラ |
| GB2250886B (en) * | 1990-12-13 | 1995-06-14 | Rank Cintel Ltd | Noise reduction in video signals |
| JPH04220882A (ja) | 1990-12-21 | 1992-08-11 | Canon Inc | 映像信号処理回路 |
| JPH04288781A (ja) * | 1991-03-18 | 1992-10-13 | Canon Inc | γ補正回路 |
| JPH04341814A (ja) * | 1991-05-17 | 1992-11-27 | Mitsubishi Heavy Ind Ltd | 射出成形機用ノズル |
| JPH04355587A (ja) | 1991-05-31 | 1992-12-09 | Victor Co Of Japan Ltd | ガンマ補正回路 |
| JP3411978B2 (ja) * | 1991-06-24 | 2003-06-03 | キヤノン株式会社 | 画像信号処理装置 |
| US5235413A (en) | 1991-07-26 | 1993-08-10 | Tektronix, Inc. | Method and apparatus for processing component signals to preserve high frequency intensity information |
| GB2258782B (en) * | 1991-07-30 | 1995-04-12 | Samsung Electronics Co Ltd | Method and apparatus for gamma correction |
| JPH05122555A (ja) * | 1991-10-23 | 1993-05-18 | Canon Inc | ガンマ補正回路 |
| JPH05191675A (ja) * | 1992-01-14 | 1993-07-30 | Canon Inc | ガンマ補正回路及びそれを用いた撮像装置 |
| US5546135A (en) * | 1992-02-28 | 1996-08-13 | Matsushita Electric Industrial Co., Ltd. | Contour restoration apparatus |
| EP0558338B1 (en) | 1992-02-28 | 1998-01-21 | Sony Corporation | Video camera |
| JPH05292347A (ja) * | 1992-04-06 | 1993-11-05 | Sony Corp | ガンマ補正回路 |
| JPH0630301A (ja) * | 1992-07-09 | 1994-02-04 | Fuji Photo Film Co Ltd | 非線形信号処理装置 |
| JP2942072B2 (ja) * | 1992-09-02 | 1999-08-30 | 富士写真フイルム株式会社 | ガンマ補正テーブルの作成方法 |
| JPH06133187A (ja) * | 1992-10-19 | 1994-05-13 | Olympus Optical Co Ltd | 信号処理装置 |
| JPH06189160A (ja) * | 1992-12-22 | 1994-07-08 | Toshiba Corp | デジタルガンマ補正装置 |
| JPH06197239A (ja) * | 1992-12-24 | 1994-07-15 | Toshiba Corp | デジタルガンマ補正回路 |
| JP3524115B2 (ja) * | 1992-12-25 | 2004-05-10 | キヤノン株式会社 | 輪郭補正装置 |
| JP3666886B2 (ja) * | 1992-12-28 | 2005-06-29 | キヤノン株式会社 | 撮像装置 |
| JP3302423B2 (ja) * | 1992-12-28 | 2002-07-15 | キヤノン株式会社 | 撮像装置 |
| US5345265A (en) * | 1992-12-31 | 1994-09-06 | Samsung Electronics Co., Ltd. | Gamma correction circuit for a video camera |
| DE4300304C2 (de) * | 1993-01-08 | 2003-07-17 | Bts Holding Internat Bv Breda | Schaltungsanordnung zur Gamma-Korrektur |
| JPH0767129A (ja) | 1993-08-26 | 1995-03-10 | Canon Inc | 撮像装置 |
| JP3355729B2 (ja) * | 1993-11-15 | 2002-12-09 | ソニー株式会社 | ディジタル信号処理カメラ |
| KR0142263B1 (ko) * | 1994-08-06 | 1998-06-15 | 김광호 | 디지탈 감마 보정방법 및 그 장치 |
-
1995
- 1995-07-31 JP JP7195634A patent/JPH0946554A/ja active Pending
-
1996
- 1996-07-26 DE DE69626346T patent/DE69626346T2/de not_active Expired - Fee Related
- 1996-07-26 EP EP96305485A patent/EP0757477B1/en not_active Expired - Lifetime
- 1996-07-31 US US08/690,557 patent/US6515699B2/en not_active Expired - Fee Related
- 1996-07-31 KR KR1019960031677A patent/KR100443090B1/ko not_active Expired - Fee Related
-
2003
- 2003-09-30 US US10/674,314 patent/US7477303B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20020067414A1 (en) | 2002-06-06 |
| KR970009219A (ko) | 1997-02-24 |
| US7477303B2 (en) | 2009-01-13 |
| DE69626346D1 (de) | 2003-04-03 |
| EP0757477A3 (en) | 1999-07-14 |
| JPH0946554A (ja) | 1997-02-14 |
| EP0757477A2 (en) | 1997-02-05 |
| EP0757477B1 (en) | 2003-02-26 |
| US20040061790A1 (en) | 2004-04-01 |
| US6515699B2 (en) | 2003-02-04 |
| DE69626346T2 (de) | 2003-12-04 |
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