HK1186029A1 - 用於成像像素的黑色電平校正的方法和系統 - Google Patents

用於成像像素的黑色電平校正的方法和系統

Info

Publication number
HK1186029A1
HK1186029A1 HK13113237.1A HK13113237A HK1186029A1 HK 1186029 A1 HK1186029 A1 HK 1186029A1 HK 13113237 A HK13113237 A HK 13113237A HK 1186029 A1 HK1186029 A1 HK 1186029A1
Authority
HK
Hong Kong
Prior art keywords
black level
level correction
imaging pixels
pixels
imaging
Prior art date
Application number
HK13113237.1A
Other languages
English (en)
Inventor
張光斌
Original Assignee
豪威科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 豪威科技股份有限公司 filed Critical 豪威科技股份有限公司
Publication of HK1186029A1 publication Critical patent/HK1186029A1/zh

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
HK13113237.1A 2012-02-14 2013-11-27 用於成像像素的黑色電平校正的方法和系統 HK1186029A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/396,150 US8698922B2 (en) 2012-02-14 2012-02-14 Black level correction for imaging pixels

Publications (1)

Publication Number Publication Date
HK1186029A1 true HK1186029A1 (zh) 2014-02-28

Family

ID=48928032

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13113237.1A HK1186029A1 (zh) 2012-02-14 2013-11-27 用於成像像素的黑色電平校正的方法和系統

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)

* Cited by examiner, † Cited by third party
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系统
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、替换控制电路系统及方法
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1864189B (zh) * 2003-08-05 2010-10-06 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
CN100418372C (zh) * 2005-02-28 2008-09-10 雅马哈株式会社 投影型视频再现设备
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

Also Published As

Publication number Publication date
US8698922B2 (en) 2014-04-15
CN103248836B (zh) 2016-05-18
US20130206959A1 (en) 2013-08-15
CN103248836A (zh) 2013-08-14
TW201342905A (zh) 2013-10-16
TWI507036B (zh) 2015-11-01

Similar Documents

Publication Publication Date Title
HK1186029A1 (zh) 用於成像像素的黑色電平校正的方法和系統
GB2501796B (en) System and method of image rendering
HK1191486A1 (zh) 用於多面投影的影像修正系統及方法
EP2940458A4 (en) SYSTEM AND METHOD FOR IMAGING TOMODENSITOMETRY
EP2874003A4 (en) DEVICE FOR IMAGE COMPRESSION CORRECTION AND METHOD FOR IMAGE INTERRUPTION CORRECTION AND IMAGE RECORDING DEVICE
EP2698985A4 (en) PICTURE SYSTEM AND PICTURE PROCESS
EP2804524A4 (en) VESSEL IMAGING SYSTEM AND METHOD
EP2827131A4 (en) IMAGE INSPECTION METHOD AND METHOD OF ESTABLISHING AN INSPECTION REGION
ZA201205193B (en) Method and system for determining colour form an image
EP2883353A4 (en) SYSTEM AND METHOD FOR OVERLAPING IMAGES OF DIFFERENT TERMS
EP2934674A4 (en) SYSTEM AND METHOD FOR IMAGING THROUGH A RIVER
EP2861172A4 (en) SYSTEM AND METHOD FOR VERTEBRAL COLUMN CORRECTION
EP2915135A4 (en) SYSTEM AND METHOD FOR EXPLODING IMAGES
EP2814411A4 (en) SYSTEM AND METHOD FOR VERTEBRAL COLUMN CORRECTION
GB2505691B (en) Method and apparatus for image scanning
EP2740407A4 (en) IMAGE DIAGNOSTIC DEVICE AND IMAGE CORRECTION METHOD
LU91745B1 (en) Range image pixel matching method
GB2499249B (en) System and method of image augmentation
EP2880494A4 (en) DEVICE AND METHOD FOR RECORDING IMAGES
EP2918229A4 (en) IMPLANT IMAGE CREATION METHOD AND IMPLANT IMAGE CREATION SYSTEM
EP3087903A4 (en) Endoscope system and pixel correction method
EP2747429A4 (en) IMAGE CAPTURE APPARATUS AND METHOD FOR CORRECTION OF SHADOW
EP2838425A4 (en) IMAGING METHOD AND SYSTEM
IL236570A (en) A system and method for residual image analysis
HK1182446A1 (zh) 系統和 圖像重建方法