CN102647566A - 用于cmos图像传感器的模拟行黑色电平校准 - Google Patents
用于cmos图像传感器的模拟行黑色电平校准 Download PDFInfo
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- 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
- H04N25/677—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 for reducing the column or line fixed pattern noise
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- 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
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- H—ELECTRICITY
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- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/029,905 US8405747B2 (en) | 2011-02-17 | 2011-02-17 | Analog row black level calibration for CMOS image sensor |
US13/029,905 | 2011-02-17 |
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CN102647566A true CN102647566A (zh) | 2012-08-22 |
CN102647566B CN102647566B (zh) | 2014-12-10 |
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US (2) | US8405747B2 (zh) |
CN (1) | CN102647566B (zh) |
HK (1) | HK1171144A1 (zh) |
TW (2) | TWI501642B (zh) |
Cited By (22)
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CN103067675A (zh) * | 2012-12-14 | 2013-04-24 | 上海集成电路研发中心有限公司 | Cmos像素阵列校正系统 |
CN103681720A (zh) * | 2013-12-18 | 2014-03-26 | 格科微电子(上海)有限公司 | 图像传感器及其背光校准方法 |
CN104125421A (zh) * | 2014-07-02 | 2014-10-29 | 江苏思特威电子科技有限公司 | Cmos图像传感器及其行噪声校正方法 |
TWI508558B (zh) * | 2013-07-22 | 2015-11-11 | Himax Imaging Ltd | 黑階調整裝置及黑階調整方法 |
CN106937063A (zh) * | 2015-12-30 | 2017-07-07 | 豪威科技股份有限公司 | 用于减少暗信号的模/数转换时间的方法及系统 |
CN107465874A (zh) * | 2017-09-07 | 2017-12-12 | 维沃移动通信有限公司 | 一种暗电流处理方法及移动终端 |
US9906745B2 (en) | 2013-12-12 | 2018-02-27 | Cista System Corp. | Column comparator system and method for comparing a ramping signal and an input signal |
CN107770460A (zh) * | 2016-08-17 | 2018-03-06 | 瑞萨电子株式会社 | 图像感测装置 |
CN108391070A (zh) * | 2017-02-01 | 2018-08-10 | 豪威科技股份有限公司 | 像素级混合键合图像传感器中的二级放大器读取电路 |
CN109429022A (zh) * | 2017-09-01 | 2019-03-05 | 恒景科技股份有限公司 | 图像传感器的图像处理系统及方法 |
CN109495700A (zh) * | 2018-10-30 | 2019-03-19 | 成都微光集电科技有限公司 | 一种使用新型斜坡发生器的消除暗电流的电路及其系统 |
CN110278397A (zh) * | 2019-07-26 | 2019-09-24 | 北京思比科微电子技术股份有限公司 | 一种用于cmos图像传感器的低功耗列电路 |
CN110545388A (zh) * | 2019-08-28 | 2019-12-06 | 上海集成电路研发中心有限公司 | 一种去除图像暗电流的装置和方法 |
CN110720212A (zh) * | 2019-09-02 | 2020-01-21 | 深圳市汇顶科技股份有限公司 | 用于像素阵列的信号处理电路和方法以及图像传感器 |
CN110940280A (zh) * | 2019-11-29 | 2020-03-31 | 中国科学院微电子研究所 | 对焦传感器的校准方法 |
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CN112188126A (zh) * | 2019-07-02 | 2021-01-05 | 豪威科技股份有限公司 | 具有自测黑电平校正的图像传感器 |
CN113508576A (zh) * | 2019-02-12 | 2021-10-15 | Ams传感器比利时有限公司 | 图像传感器系统、电子设备和用于操作图像传感器的方法 |
CN114025109A (zh) * | 2020-07-16 | 2022-02-08 | 豪威科技股份有限公司 | 具有帧级别黑色电平校准的图像传感器 |
CN114679536A (zh) * | 2020-12-24 | 2022-06-28 | 三星电机株式会社 | 红外图像传感器 |
CN114938436A (zh) * | 2021-06-03 | 2022-08-23 | 深圳市汇顶科技股份有限公司 | 具有采样的带隙参考的cmos图像感测 |
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US8405747B2 (en) | 2011-02-17 | 2013-03-26 | Omnivision Technologies, Inc. | Analog row black level calibration for CMOS image sensor |
US8908067B2 (en) * | 2011-07-28 | 2014-12-09 | Aptina Imaging Corporation | Imaging systems with digitally controlled analog offset compensation |
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US8730081B2 (en) | 2012-03-19 | 2014-05-20 | Omnivision Technologies, Inc. | Calibration in multiple slope column parallel analog-to-digital conversion for image sensors |
US9124829B2 (en) * | 2012-07-26 | 2015-09-01 | Altasens, Inc. | Optical black pixel readout for image sensor data correction |
US9462199B2 (en) * | 2012-10-12 | 2016-10-04 | Samsung Electronics Co., Ltd. | Image sensors, image processing systems including same, and methods of operating the same |
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US8405747B2 (en) | 2013-03-26 |
TW201540071A (zh) | 2015-10-16 |
TWI569645B (zh) | 2017-02-01 |
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US20130120619A1 (en) | 2013-05-16 |
TW201236450A (en) | 2012-09-01 |
US20120212657A1 (en) | 2012-08-23 |
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US8508629B2 (en) | 2013-08-13 |
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