A Kind of CMOS Image Sensor Pixel Reset Circuit

ZHOU Yan-min; QIN Hui-bin; HU Yong-cai

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A Kind of CMOS Image Sensor Pixel Reset Circuit

更新时间：2026-09-04

- A Kind of CMOS Image Sensor Pixel Reset Circuit
- Vol. 33, Issue 3, Pages: 103-106(2016)
- 作者机构：
  
  杭州电子科技大学机构新型电子器件与应用研究所,浙江,杭州,310018
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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周燕敏, 秦会斌, 胡永才. 一种CMOS图像传感器像素复位电路[J]. 微电子学与计算机, 2016, 33(3): 103-106, 110.

ZHOU Yan-min, QIN Hui-bin, HU Yong-cai. A Kind of CMOS Image Sensor Pixel Reset Circuit[J]. 2016, 33(3): 103-106.
周燕敏, 秦会斌, 胡永才. 一种CMOS图像传感器像素复位电路[J]. 微电子学与计算机, 2016, 33(3): 103-106, 110. DOI：

ZHOU Yan-min, QIN Hui-bin, HU Yong-cai. A Kind of CMOS Image Sensor Pixel Reset Circuit[J]. 2016, 33(3): 103-106. DOI：

摘要

CMOS图像传感器中像素复位方式直接影响图像的成像质量.以双斜率积分和软硬件结合的复位方式为基础

对现有的复位电路进行仿真、分析

发现现有复位电路存在的缺陷

针对这些缺陷

提出了一种高动态范围、抑制图像拖尾的COMS像素复位电路.双斜率积分的长、短积分复位分别采用复位管漏极电压过零复位和软硬件结合的复位方式来抑制图像拖尾.复位管采用衬底独立结构

避免弱光下

短积分复位时刻浮置扩散区电压受影响.经过验证

该复位电路能有效地抑制图像拖尾

扩展动态范围.

Abstract

The reset method of the CMOS image sensor pixels directly affect the image quality.Through analying and simulating of the existing reset circuit

we found the existing flaws of them.This article proposed a high dynamic range

inhibition of image lag reset circuit based on Dual-slope integration

aimming to fix those flaws.In this reset circuit

we zeroed the drain voltage of the reset tube and used thecombination of hardware and software reset method respectively during the long-time and short-time integral reset period to restrain the image lag.The simulation verificated that the reset circuit does restrained image trailing and extended the dynamic range effectively.

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references

赵岳. 基于CMOS图像传感器时序电路的双斜积分设计[D]. 西安: 西安电子科技学, 2012.

Pain B, Yang G, Ortiz M, et al. Analysis and enhancement of low-light-level performance of photodiode-type CMOS active pixel imagers operated with subthreshold reset[C]//1999 IEEE Workshop on CCDs and AIS. Nagano, Japan: IEEE, 1999.

晋孝峰, 岳素格, 刘丽艳. CMOS图像传感器的硬件复位电路研究[J]. 电报, 2014, 42(1): 182-186. DOI: 182

Tian H. Noise analysis in CMOS imagesensors[D]. USA: Stanford University, 2000.

刘宇, 王国裕. APS CMOS图像传感器复位电路的设计研究[J]. 半导体光电, 2005, 26(B03): 22-25. DOI: 22

晋孝峰, 岳素格, 刘丽艳. 一种改善CMOS图像传感器性能的复位控制电路设计[J]. 微电子学与计算机, 2013, 30(11): 132-135. DOI: 132

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