CN1914580A - 通过外推来对图像场数据进行建模的技术 - Google Patents
通过外推来对图像场数据进行建模的技术 Download PDFInfo
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- CN1914580A CN1914580A CNA200580003885XA CN200580003885A CN1914580A CN 1914580 A CN1914580 A CN 1914580A CN A200580003885X A CNA200580003885X A CN A200580003885XA CN 200580003885 A CN200580003885 A CN 200580003885A CN 1914580 A CN1914580 A CN 1914580A
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
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- 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
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
- H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
- H04N25/672—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction between adjacent sensors or output registers for reading a single image
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Color Television Image Signal Generators (AREA)
Abstract
Description
象素位置 | 逐行图像格式 | 隔行图像格式场1 | 隔行图像格式场2 |
图像中的第一象素 | LineStart=BasicGainCurrentGain=LineStartReg[0]=0AddH=Reg[0]+CurrentHGSTmp=(CurrentGain+0x8000)>>16PixelOut=Limit((PixelIn*Tmp+128)>>8,0,1023)CurrentGain=CurrentGain+AddH Limit(CurrentGain,0,226-1)LineStart=LineStart+CurrentVGS1 Limit(LineStart,0,226-1) | LineStart=LineStart+(CurrentVGS1*2) | LineStart=BasicGain+CurrentVGS1Limit(LineStart,0,226-1)Reg[0]=CurrentVGS2LineStart=LineStart+(CurrentVGS1*2) |
行中的第一象素 | CurrentGain=LineStartIf it′s the first line in the blockThenReg[0]=0Else{ | Then Reg[0]=CurrentVGS2Else |
Reg[0]=Reg[0]+CurrentVGS2 Limit(Reg[0],-225,225-1)}AddH=Reg[0]+CurrentHGSLimit(AddH,-225,225-1)Tmp=(CurrentGain+0x8000)>>16PixelOut=Limit(PixelIn*Tmp+128)>>8,0,1023)CurrentGain=CurrentGain+AddHLimit(CurrentGain,0,226-1)LineStart=LineStart+CurrentVGS1Limit(LineStart,0,226-1) | {Reg[0]=Reg[0]+(CurrentVGS2*2)}LineStart=LineStart+(CurrentVGS1*2) | {Reg[0]=Reg[0]+(CurrentVGS2*2)}If it′s the last line in ablockLineStart=LineStart+CurrentVGS1+NextVGS1ElseLineStart=LineStart+(CurrentVGS1*2) | |
块j(j≠0)中的第一象素 | If it′s the first line in the blockThen Reg[j]=0Else{Reg[j]=Reg[j]+CurrentVGS2 Limit(Reg[j],-225,225-1)} | Reg[j]=Reg[j]+(CurrentVGS2*2) | Then Reg[j]=CurrentVGS2Else{Reg[j]=Reg[j]+(CurrentVGS2*2) |
AddH=Reg[j]+CurrentHGSLimit(AddH,-225,225-1)Tmp=(CurrentGain+0x8000)>>16PixelOut=Limit((PixelIn*Tmp+128)>>8,0,1023)CurrentGain=CurrentGain+AddH Limit(CurrentGain,0,226-1) | } | ||
其它(常规)像素 | Tmp=(CurrentGain+0x8000)>>16PixelOut=Limit((PixelIn*Tmp+128)>>8,0,1023)CurrentGain=CurrentGain+AddH Limit(CurrentGain,0,226-1) |
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/770,696 US7388610B2 (en) | 2002-08-16 | 2004-02-02 | Techniques of modifying image field data by extrapolation |
US10/770,696 | 2004-02-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1914580A true CN1914580A (zh) | 2007-02-14 |
CN100451913C CN100451913C (zh) | 2009-01-14 |
Family
ID=34837833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200580003885XA Expired - Fee Related CN100451913C (zh) | 2004-02-02 | 2005-01-11 | 通过外推来对图像场数据进行建模的技术 |
Country Status (5)
Country | Link |
---|---|
US (3) | US7388610B2 (zh) |
EP (1) | EP1711880B1 (zh) |
JP (1) | JP4833085B2 (zh) |
CN (1) | CN100451913C (zh) |
WO (1) | WO2005076111A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101873436B (zh) * | 2009-04-27 | 2011-12-07 | 倚强科技股份有限公司 | 使用多线内插的镜头亮度补偿方法 |
CN110191260A (zh) * | 2018-02-23 | 2019-08-30 | 欧姆龙株式会社 | 图像传感器以及本体模块 |
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US7408576B2 (en) * | 2002-08-16 | 2008-08-05 | Zoran Corporation | Techniques for modifying image field data as a function of radius across the image field |
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2004
- 2004-02-02 US US10/770,696 patent/US7388610B2/en active Active
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2005
- 2005-01-11 CN CNB200580003885XA patent/CN100451913C/zh not_active Expired - Fee Related
- 2005-01-11 EP EP05705546.9A patent/EP1711880B1/en not_active Not-in-force
- 2005-01-11 JP JP2006552121A patent/JP4833085B2/ja active Active
- 2005-01-11 WO PCT/US2005/000938 patent/WO2005076111A1/en not_active Application Discontinuation
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2008
- 2008-06-16 US US12/140,257 patent/US7817196B1/en not_active Expired - Lifetime
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2010
- 2010-10-12 US US12/903,114 patent/US8218037B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101873436B (zh) * | 2009-04-27 | 2011-12-07 | 倚强科技股份有限公司 | 使用多线内插的镜头亮度补偿方法 |
CN110191260A (zh) * | 2018-02-23 | 2019-08-30 | 欧姆龙株式会社 | 图像传感器以及本体模块 |
US10742853B2 (en) | 2018-02-23 | 2020-08-11 | Omron Corporation | Image sensor and body module |
CN110191260B (zh) * | 2018-02-23 | 2021-12-10 | 欧姆龙株式会社 | 图像传感器以及本体模块 |
Also Published As
Publication number | Publication date |
---|---|
US20110025889A1 (en) | 2011-02-03 |
US20050041806A1 (en) | 2005-02-24 |
CN100451913C (zh) | 2009-01-14 |
JP2007520179A (ja) | 2007-07-19 |
US7388610B2 (en) | 2008-06-17 |
JP4833085B2 (ja) | 2011-12-07 |
WO2005076111A1 (en) | 2005-08-18 |
EP1711880B1 (en) | 2014-04-23 |
EP1711880A1 (en) | 2006-10-18 |
US7817196B1 (en) | 2010-10-19 |
US8218037B2 (en) | 2012-07-10 |
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