Models for pixels with wide-dynamic-range combined linear and logarithmic response

被引：14
|
作者：
Choubey, Bhaskar [1 ]
Collins, Steve [1 ]
机构：
[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England
来源：
IEEE SENSORS JOURNAL | 2007年 / 7卷 / 7-8期
关键词：
CMOS pixels; fixed-pattern noise; logarithmic pixels; mismatch; parameter extraction; wide-dynamic-range;
D O I：
10.1109/JSEN.2007.895959
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Previously, pixels have been proposed that combine the low-light sensitivity of linear pixels with the high dynamic range of pixels that have a logarithmic response. In this paper, a model for this type of pixel is presented that represents the response of the pixel over a wide range of photocurrents. Simulation and measurement results are presented to validate the model and to show that there is a simple procedure for determining the parameters of the model.
引用
收藏
页码：1066 / 1072
页数：7
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