CN103248836B - 用于成像像素的黑色电平校正的方法和*** - Google Patents
用于成像像素的黑色电平校正的方法和*** Download PDFInfo
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- CN103248836B CN103248836B CN201310050782.5A CN201310050782A CN103248836B CN 103248836 B CN103248836 B CN 103248836B CN 201310050782 A CN201310050782 A CN 201310050782A CN 103248836 B CN103248836 B CN 103248836B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008569 process Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 4
- 230000001915 proofreading effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 13
- 238000003860 storage Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012804 iterative process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
- H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels
-
- 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
- H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
-
- 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
- H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/396,150 US8698922B2 (en) | 2012-02-14 | 2012-02-14 | Black level correction for imaging pixels |
US13/396,150 | 2012-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103248836A CN103248836A (zh) | 2013-08-14 |
CN103248836B true CN103248836B (zh) | 2016-05-18 |
Family
ID=48928032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310050782.5A Active CN103248836B (zh) | 2012-02-14 | 2013-02-08 | 用于成像像素的黑色电平校正的方法和*** |
Country Status (4)
Country | Link |
---|---|
US (1) | US8698922B2 (zh) |
CN (1) | CN103248836B (zh) |
HK (1) | HK1186029A1 (zh) |
TW (1) | TWI507036B (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8872093B2 (en) * | 2012-04-18 | 2014-10-28 | Apple Inc. | Calibrated image-sensor-based ambient light sensor |
US9224782B2 (en) | 2013-04-19 | 2015-12-29 | Semiconductor Components Industries, Llc | Imaging systems with reference pixels for image flare mitigation |
JP5952975B2 (ja) * | 2013-10-02 | 2016-07-13 | オリンパス株式会社 | 撮像装置および撮像方法 |
CN104333717B (zh) * | 2014-07-31 | 2017-07-07 | 吉林省福斯匹克科技有限责任公司 | 一种用于cmos图像传感器的暗电平校正的算法及其*** |
US9584750B2 (en) * | 2014-08-20 | 2017-02-28 | Seek Thermal, Inc. | Adaptive adjustment of the operating bias of an imaging system |
JP6272194B2 (ja) * | 2014-09-24 | 2018-01-31 | 株式会社日立情報通信エンジニアリング | 動画像符号化装置、動画像復号装置、および動画像符号化・復号化方法 |
JP6391388B2 (ja) * | 2014-09-24 | 2018-09-19 | キヤノン株式会社 | 放射線撮像装置 |
US9247164B1 (en) * | 2014-10-21 | 2016-01-26 | Pixart Imaging (Penang) Sdn. Bhd. | Image pixel more robust to power supply noise, dark node for use in the image pixel, and control method thereof |
CN104284104A (zh) * | 2014-10-30 | 2015-01-14 | 北京思比科微电子技术股份有限公司 | Cmos图像传感器中实现小于1行曝光的方法 |
CN105262963B (zh) * | 2015-10-15 | 2018-10-16 | 上海集成电路研发中心有限公司 | 暗像素阵列、替换控制电路***及方法 |
US9613714B1 (en) * | 2016-01-19 | 2017-04-04 | Ememory Technology Inc. | One time programming memory cell and memory array for physically unclonable function technology and associated random code generating method |
US9912846B2 (en) | 2016-05-11 | 2018-03-06 | Microsoft Technology Licensing, Llc | Obtaining calibration data of a camera |
CN105841815B (zh) * | 2016-05-20 | 2017-11-07 | 中国科学院合肥物质科学研究院 | 一种成像光谱仪ccd光谱图像暗电流校正方法 |
EP3249908B1 (en) * | 2016-05-26 | 2019-11-27 | Nokia Technologies Oy | An array apparatus and associated methods |
US9652692B1 (en) * | 2016-09-26 | 2017-05-16 | Cognex Corporation | Machine vision system for capturing a digital image of a sparsely illuminated scene |
JP6907060B2 (ja) * | 2017-07-21 | 2021-07-21 | キヤノン株式会社 | 撮像素子および撮像装置 |
US11363221B2 (en) * | 2018-06-08 | 2022-06-14 | Facebook Technologies, Llc | Image sensor post processing |
US10750108B2 (en) * | 2018-09-25 | 2020-08-18 | Omnivision Technologies, Inc. | Image sensor with correction of non-uniform dark current |
US10819927B1 (en) | 2019-07-02 | 2020-10-27 | Omnivision Technologies, Inc. | Image sensor with self-testing black level correction |
US11350049B2 (en) * | 2020-11-02 | 2022-05-31 | Omnivision Technologies, Inc. | Dark current calibration method and associated pixel circuitry |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1829303A (zh) * | 2005-02-28 | 2006-09-06 | 雅马哈株式会社 | 投影型视频再现设备 |
CN1864189A (zh) * | 2003-08-05 | 2006-11-15 | 东芝松下显示技术有限公司 | 自发光显示装置的驱动电路及驱动方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4555785B2 (ja) * | 2006-02-10 | 2010-10-06 | シャープ株式会社 | 固定パターン雑音除去装置、固体撮像装置、電子機器、及び固定パターン雑音除去プログラム |
-
2012
- 2012-02-14 US US13/396,150 patent/US8698922B2/en active Active
-
2013
- 2013-02-06 TW TW102104666A patent/TWI507036B/zh active
- 2013-02-08 CN CN201310050782.5A patent/CN103248836B/zh active Active
- 2013-11-27 HK HK13113237.1A patent/HK1186029A1/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1864189A (zh) * | 2003-08-05 | 2006-11-15 | 东芝松下显示技术有限公司 | 自发光显示装置的驱动电路及驱动方法 |
CN1829303A (zh) * | 2005-02-28 | 2006-09-06 | 雅马哈株式会社 | 投影型视频再现设备 |
Also Published As
Publication number | Publication date |
---|---|
US8698922B2 (en) | 2014-04-15 |
HK1186029A1 (zh) | 2014-02-28 |
US20130206959A1 (en) | 2013-08-15 |
CN103248836A (zh) | 2013-08-14 |
TW201342905A (zh) | 2013-10-16 |
TWI507036B (zh) | 2015-11-01 |
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