The Method and Implementation of Temperature Drift Self-compensation for 4T CIS Based on FPGA
Authors: 
Jiajing Cai, Jicheng Kan, Xiang JiAuthors Info & Claims
Jiajing Cai, Jicheng Kan, Xiang JiAuthors Info & ClaimsPages 73 - 76
Abstract
In this paper, a temperature drift self-compensation method for 4T CMOS image sensor based on FPGA is designed to solve the problems of pixel drift rise and image noise caused by temperature change. This method can automatically extract the compensation coefficient of temperature drift, compensate the difference and adjust the dynamic range, so as to suppress the noise effect of temperature on image data. The experimental results show that the temperature drift self-compensation method has a good compensation effect. The checkerboard simulation reduces the mean value of the image by 14.63%, the peak signal-to-noise ratio is relatively stable, and the average gradient is increased by about 21%, which effectively weakens the influence of temperature on image brightness and detail clarity. It can be proved that the proposed method provides a reliable guarantee for the application of 4T CMOS image sensor in the space field under high temperature environment.
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Published In
October 2022
1999 pages
ISBN:9781450397148
DOI:10.1145/3573428
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Published: 15 March 2023
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EITCE 2022
EITCE 2022: 2022 6th International Conference on Electronic Information Technology and Computer Engineering
October 21 - 23, 2022
Xiamen, China
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Overall Acceptance Rate 508 of 972 submissions, 52%
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