CN106059581A - 用于图像传感器的多斜率列并行模/数转换中的校准 - Google Patents
用于图像传感器的多斜率列并行模/数转换中的校准 Download PDFInfo
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- CN106059581A CN106059581A CN201610671593.3A CN201610671593A CN106059581A CN 106059581 A CN106059581 A CN 106059581A CN 201610671593 A CN201610671593 A CN 201610671593A CN 106059581 A CN106059581 A CN 106059581A
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Classifications
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/004—Reconfigurable analogue/digital or digital/analogue converters
- H03M1/007—Reconfigurable analogue/digital or digital/analogue converters among different resolutions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
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- H—ELECTRICITY
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- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/56—Input signal compared with linear ramp
-
- 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
-
- 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
- H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/709—Circuitry for control of the power supply
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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
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
- H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
- H03M1/1042—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables the look-up table containing corrected values for replacing the original digital values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1205—Multiplexed conversion systems
- H03M1/123—Simultaneous, i.e. using one converter per channel but with common control or reference circuits for multiple converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
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- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
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- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/423,976 US8730081B2 (en) | 2012-03-19 | 2012-03-19 | Calibration in multiple slope column parallel analog-to-digital conversion for image sensors |
US13/423,976 | 2012-03-19 | ||
CN201310086281.2A CN103326723B (zh) | 2012-03-19 | 2013-03-18 | 用于图像传感器的多斜率列并行模/数转换中的校准 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310086281.2A Division CN103326723B (zh) | 2012-03-19 | 2013-03-18 | 用于图像传感器的多斜率列并行模/数转换中的校准 |
Publications (1)
Publication Number | Publication Date |
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CN106059581A true CN106059581A (zh) | 2016-10-26 |
Family
ID=49157255
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201310086281.2A Active CN103326723B (zh) | 2012-03-19 | 2013-03-18 | 用于图像传感器的多斜率列并行模/数转换中的校准 |
CN201610671593.3A Pending CN106059581A (zh) | 2012-03-19 | 2013-03-18 | 用于图像传感器的多斜率列并行模/数转换中的校准 |
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Application Number | Title | Priority Date | Filing Date |
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CN201310086281.2A Active CN103326723B (zh) | 2012-03-19 | 2013-03-18 | 用于图像传感器的多斜率列并行模/数转换中的校准 |
Country Status (4)
Country | Link |
---|---|
US (3) | US8730081B2 (zh) |
CN (2) | CN103326723B (zh) |
HK (1) | HK1186854A1 (zh) |
TW (1) | TWI524766B (zh) |
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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 |
CN109068074B (zh) * | 2012-06-08 | 2022-01-25 | 株式会社尼康 | 拍摄元件 |
JP6108878B2 (ja) * | 2013-03-01 | 2017-04-05 | キヤノン株式会社 | 撮像装置、撮像装置の駆動方法、撮像システム、撮像システムの駆動方法 |
JP2014239289A (ja) * | 2013-06-06 | 2014-12-18 | ソニー株式会社 | Ad変換器、信号処理方法、固体撮像装置、および電子機器 |
JP2015056876A (ja) * | 2013-09-13 | 2015-03-23 | キヤノン株式会社 | 固体撮像装置、その駆動方法及び撮像システム |
JP6548391B2 (ja) * | 2014-03-31 | 2019-07-24 | キヤノン株式会社 | 光電変換装置および撮像システム |
US10075658B2 (en) * | 2014-05-30 | 2018-09-11 | Seek Thermal, Inc. | Data digitization and display for an imaging system |
WO2016022525A1 (en) | 2014-08-05 | 2016-02-11 | Seek Thermal, Inc. | Time based offset correction for imaging systems |
WO2016022374A1 (en) | 2014-08-05 | 2016-02-11 | Seek Thermal, Inc. | Local contrast adjustment for digital images |
CN106716992B (zh) | 2014-08-20 | 2020-02-07 | 塞克热量股份有限公司 | 用于成像系统的增益校准的方法及成像系统 |
US9947086B2 (en) | 2014-12-02 | 2018-04-17 | Seek Thermal, Inc. | Image adjustment based on locally flat scenes |
US10467736B2 (en) | 2014-12-02 | 2019-11-05 | Seek Thermal, Inc. | Image adjustment based on locally flat scenes |
US10600164B2 (en) | 2014-12-02 | 2020-03-24 | Seek Thermal, Inc. | Image adjustment based on locally flat scenes |
US9357151B1 (en) | 2015-03-27 | 2016-05-31 | Teledyne Scientific & Imaging, Llc | Shared counter circuit with low-voltage signal output for a column-parallel single slope ADC |
US9554074B2 (en) | 2015-04-16 | 2017-01-24 | Omnivision Technologies, Inc. | Ramp generator for low noise image sensor |
US9819890B2 (en) | 2015-08-17 | 2017-11-14 | Omnivision Technologies, Inc. | Readout circuitry to mitigate column fixed pattern noise of an image sensor |
JP6643919B2 (ja) * | 2016-03-02 | 2020-02-12 | キヤノン株式会社 | 信号処理装置及び方法、及び撮像装置 |
US10867371B2 (en) | 2016-06-28 | 2020-12-15 | Seek Thermal, Inc. | Fixed pattern noise mitigation for a thermal imaging system |
US11161733B2 (en) * | 2017-05-08 | 2021-11-02 | Safran Colibrys Sa | Decoupling structure for accelerometer |
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CN107707845A (zh) * | 2017-10-10 | 2018-02-16 | 德淮半导体有限公司 | 用于图像传感器的方法、图像传感器以及成像装置 |
CN107659762B (zh) * | 2017-10-23 | 2019-11-22 | 德淮半导体有限公司 | 一种图像传感器及其输出电路 |
JP2019153987A (ja) * | 2018-03-06 | 2019-09-12 | ソニーセミコンダクタソリューションズ株式会社 | 撮像装置及び撮像装置の信号処理方法、並びに、電子機器 |
JP7175712B2 (ja) * | 2018-10-25 | 2022-11-21 | キヤノン株式会社 | 撮像装置及びその制御方法、プログラム、記憶媒体 |
US11128307B2 (en) * | 2018-10-30 | 2021-09-21 | Omnivision Technologies, Inc. | Circuit and method for control of counter start time |
CN109688354B (zh) * | 2018-12-28 | 2021-09-07 | 北京思比科微电子技术股份有限公司 | 一种模拟增强图像对比度的方法 |
CN110149489A (zh) * | 2019-05-23 | 2019-08-20 | Oppo广东移动通信有限公司 | 采样方法、装置以及计算机存储介质和图像传感器 |
US11276152B2 (en) | 2019-05-28 | 2022-03-15 | Seek Thermal, Inc. | Adaptive gain adjustment for histogram equalization in an imaging system |
JP7333060B2 (ja) * | 2019-09-26 | 2023-08-24 | 株式会社テックイデア | イメージセンサ |
EP4047821A1 (en) * | 2021-02-22 | 2022-08-24 | Imec VZW | Time-interleaved analog-to-digital converter and conversion method thereof |
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2012
- 2012-03-19 US US13/423,976 patent/US8730081B2/en active Active
-
2013
- 2013-03-18 CN CN201310086281.2A patent/CN103326723B/zh active Active
- 2013-03-18 TW TW102109531A patent/TWI524766B/zh active
- 2013-03-18 CN CN201610671593.3A patent/CN106059581A/zh active Pending
- 2013-12-24 HK HK13114257.4A patent/HK1186854A1/zh unknown
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2014
- 2014-04-21 US US14/257,832 patent/US8941527B2/en active Active
- 2014-12-17 US US14/573,978 patent/US8994832B1/en active Active
Patent Citations (4)
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CN101227551A (zh) * | 2007-01-17 | 2008-07-23 | 索尼株式会社 | 固态成像器件和成像装置 |
CN101377913A (zh) * | 2007-08-30 | 2009-03-04 | 索尼株式会社 | 显示装置、其驱动方法和电子设备 |
CN101959026A (zh) * | 2009-07-14 | 2011-01-26 | 索尼公司 | 固态成像装置、其控制方法、及照相机系统 |
US20110114827A1 (en) * | 2009-08-18 | 2011-05-19 | Panasonic Corporation | Voltage generator circuit, digital-to-analog converter, ramp generator circuit, analog-to-digital converter, image sensor system, and method for generating voltage |
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CN103326723A (zh) | 2013-09-25 |
HK1186854A1 (zh) | 2014-03-21 |
TWI524766B (zh) | 2016-03-01 |
US8941527B2 (en) | 2015-01-27 |
CN103326723B (zh) | 2016-09-07 |
US20140226050A1 (en) | 2014-08-14 |
US8994832B1 (en) | 2015-03-31 |
US20150103220A1 (en) | 2015-04-16 |
TW201345251A (zh) | 2013-11-01 |
US8730081B2 (en) | 2014-05-20 |
US20130242125A1 (en) | 2013-09-19 |
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