CN1116761C - 用于校正线性图像传感器的输出信号的装置及其方法 - Google Patents
用于校正线性图像传感器的输出信号的装置及其方法 Download PDFInfo
- Publication number
- CN1116761C CN1116761C CN97112981A CN97112981A CN1116761C CN 1116761 C CN1116761 C CN 1116761C CN 97112981 A CN97112981 A CN 97112981A CN 97112981 A CN97112981 A CN 97112981A CN 1116761 C CN1116761 C CN 1116761C
- Authority
- CN
- China
- Prior art keywords
- picture element
- element signal
- level
- signal
- correct
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12373496A JP3738080B2 (ja) | 1996-05-17 | 1996-05-17 | リニアイメージセンサの出力信号補正装置 |
JP123734/96 | 1996-05-17 | ||
JP123734/1996 | 1996-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170298A CN1170298A (zh) | 1998-01-14 |
CN1116761C true CN1116761C (zh) | 2003-07-30 |
Family
ID=14868028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97112981A Expired - Fee Related CN1116761C (zh) | 1996-05-17 | 1997-05-17 | 用于校正线性图像传感器的输出信号的装置及其方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0808057B1 (zh) |
JP (1) | JP3738080B2 (zh) |
CN (1) | CN1116761C (zh) |
DE (1) | DE69737079T2 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000307859A (ja) | 1999-02-15 | 2000-11-02 | Seiko Epson Corp | 画像読取装置 |
US7324236B2 (en) * | 2000-02-01 | 2008-01-29 | Canon Kabushiki Kaisha | Discrepancy correction method and apparatus for correcting difference in levels of image signals obtained by an image sensor having a multiple output channels |
JP4062175B2 (ja) * | 2003-01-09 | 2008-03-19 | セイコーエプソン株式会社 | 画像処理装置、方法、プログラムおよび該プログラムを記録した記録媒体 |
JP2005348351A (ja) * | 2004-06-07 | 2005-12-15 | Ricoh Co Ltd | 画像読取装置及び画像形成装置 |
JP2012085324A (ja) * | 2011-11-27 | 2012-04-26 | Yamaguchi Cinema Corp | 電荷増倍素子を用いた高感度・高速度の競技用電子判定装置 |
JP2021068971A (ja) * | 2019-10-21 | 2021-04-30 | 京セラドキュメントソリューションズ株式会社 | 画像読取装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4860118A (en) * | 1987-02-25 | 1989-08-22 | Canon Kabushiki Kaisha | Image signal processing apparatus with edge emphasis and variable magnification |
EP0504641A2 (en) * | 1991-03-22 | 1992-09-23 | Dainippon Screen Mfg. Co., Ltd. | Image reader and method for image reading |
JPH05284352A (ja) * | 1992-03-30 | 1993-10-29 | Asahi Glass Co Ltd | Ccdラインセンサ用ディジタルフィルタ |
US5319451A (en) * | 1988-05-31 | 1994-06-07 | Canon Kabushiki Kaisha | Color signal processing apparatus using a common low pass filter for the luminance signal and the color signals |
US5408338A (en) * | 1992-02-19 | 1995-04-18 | Ricoh Company, Ltd. | Image processing unit processing pixel data according to scan line density |
EP0685964A1 (en) * | 1994-06-02 | 1995-12-06 | Lg Electronics Inc. | CCD-defect compensating method and apparatus for camcorder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3775559A (en) * | 1970-11-12 | 1973-11-27 | Xerox Corp | Aperture designs for facsimile scanning apparatus |
JPS568140A (en) * | 1979-07-02 | 1981-01-27 | Dainippon Screen Mfg Co Ltd | Emphasizing method of sharpness in image scanning and recording apparatus |
DE69033749T2 (de) * | 1989-10-18 | 2002-02-28 | Sony Corp | Vorrichtung zur Verarbeitung eines Videosignals |
-
1996
- 1996-05-17 JP JP12373496A patent/JP3738080B2/ja not_active Expired - Fee Related
-
1997
- 1997-05-13 DE DE1997637079 patent/DE69737079T2/de not_active Expired - Lifetime
- 1997-05-13 EP EP19970107819 patent/EP0808057B1/en not_active Expired - Lifetime
- 1997-05-17 CN CN97112981A patent/CN1116761C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4860118A (en) * | 1987-02-25 | 1989-08-22 | Canon Kabushiki Kaisha | Image signal processing apparatus with edge emphasis and variable magnification |
US5319451A (en) * | 1988-05-31 | 1994-06-07 | Canon Kabushiki Kaisha | Color signal processing apparatus using a common low pass filter for the luminance signal and the color signals |
EP0504641A2 (en) * | 1991-03-22 | 1992-09-23 | Dainippon Screen Mfg. Co., Ltd. | Image reader and method for image reading |
US5408338A (en) * | 1992-02-19 | 1995-04-18 | Ricoh Company, Ltd. | Image processing unit processing pixel data according to scan line density |
JPH05284352A (ja) * | 1992-03-30 | 1993-10-29 | Asahi Glass Co Ltd | Ccdラインセンサ用ディジタルフィルタ |
EP0685964A1 (en) * | 1994-06-02 | 1995-12-06 | Lg Electronics Inc. | CCD-defect compensating method and apparatus for camcorder |
Also Published As
Publication number | Publication date |
---|---|
JP3738080B2 (ja) | 2006-01-25 |
EP0808057B1 (en) | 2006-12-13 |
CN1170298A (zh) | 1998-01-14 |
EP0808057A3 (en) | 1999-01-07 |
JPH09307764A (ja) | 1997-11-28 |
EP0808057A2 (en) | 1997-11-19 |
DE69737079T2 (de) | 2007-07-12 |
DE69737079D1 (de) | 2007-01-25 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: FUJI PHOTO FILM CO., LTD. Free format text: FORMER OWNER: FUJIFILM HOLDINGS CORP. Effective date: 20070316 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: FUJIFILM HOLDINGS CORP. Free format text: FORMER NAME OR ADDRESS: FUJI PHOTO FILM CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Tokyo, Japan Patentee after: Fujifilm Corp. Address before: Kanagawa Patentee before: Fuji Photo Film Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20070316 Address after: Tokyo, Japan Patentee after: FUJIFILM Corp. Address before: Tokyo, Japan Patentee before: Fujifilm Corp. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030730 Termination date: 20110517 |