Analysis of Black Level Calibration Algorithm for CIS
This paper presents the structure and the operational principle of CMOS image sensors. And then the reason is illuminated for producing dark current and black level of CMOS image sensors. It is necessary to calibrate dark current and black level to improve quality of CMOS image sensors. The dark cur...
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          | Published in | Applied Mechanics and Materials Vol. 599-601; no. Frontiers of Manufacturing Science and Measuring Technology IV; pp. 1397 - 1402 | 
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| Main Authors | , , , | 
| Format | Journal Article | 
| Language | English | 
| Published | 
        Zurich
          Trans Tech Publications Ltd
    
        01.08.2014
     | 
| Subjects | |
| Online Access | Get full text | 
| ISBN | 303835192X 9783038351924  | 
| ISSN | 1660-9336 1662-7482 1662-7482  | 
| DOI | 10.4028/www.scientific.net/AMM.599-601.1397 | 
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| Abstract | This paper presents the structure and the operational principle of CMOS image sensors. And then the reason is illuminated for producing dark current and black level of CMOS image sensors. It is necessary to calibrate dark current and black level to improve quality of CMOS image sensors. The dark current is corrected by optimizing pixel structure, perfecting technology, improving 6layout, and correction double sample. But these ways do not calibrate black level. So, it is important to calibrate black level using black level calibration algorithm in the stage of image processing. | 
    
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| AbstractList | This paper presents the structure and the operational principle of CMOS image sensors. And then the reason is illuminated for producing dark current and black level of CMOS image sensors. It is necessary to calibrate dark current and black level to improve quality of CMOS image sensors. The dark current is corrected by optimizing pixel structure, perfecting technology, improving 6layout, and correction double sample. But these ways do not calibrate black level. So, it is important to calibrate black level using black level calibration algorithm in the stage of image processing. | 
    
| Author | Jiang, Zhen Gang Yao, Hong Tao Wang, Zi Qiang Gu, Yuan Bao  | 
    
| Author_xml | – givenname: Hong Tao surname: Yao fullname: Yao, Hong Tao email: yht@cust.edu.cn organization: Changchun University of Science and Technology : School of Computer Science and Technology – givenname: Zi Qiang surname: Wang fullname: Wang, Zi Qiang email: wangziqiang1987@hotmail.com organization: Changchun University of Science and Technology : School of Computer Science and Technology – givenname: Zhen Gang surname: Jiang fullname: Jiang, Zhen Gang email: jiangzhengang@cust.edu.cn organization: Changchun University of Science and Technology : School of Computer Science and Technology – givenname: Yuan Bao surname: Gu fullname: Gu, Yuan Bao email: guyuanbao@hotmail.com organization: Changchun University of Science and Technology : School of Computer Science and Technology  | 
    
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| DOI | 10.4028/www.scientific.net/AMM.599-601.1397 | 
    
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| Keywords | Black Level Calibration Black Level Cis Dark Current  | 
    
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| SubjectTerms | Algorithms Calibration CMOS Dark current Optimization Pixels Sensors  | 
    
| Title | Analysis of Black Level Calibration Algorithm for CIS | 
    
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