微扫描多帧平滑FPN提高CMOS图像传感器信噪比

被引:3
作者
首山雄
陈进勇
机构
[1] 浙江大学计算机软件研究所
[2] 浙江大学光学仪器厂
关键词
信噪比; 微扫描; CMOS图像传感器; 固定图案噪声; 多帧平滑;
D O I
暂无
中图分类号
TP212 [发送器(变换器)、传感器];
学科分类号
080202 ;
摘要
在压电陶瓷驱动下,CMOS图像传感器在焦平面内每帧位移一个象素以获取一个帧与帧之间存在位移的周期性图像序列,通过电子反向位移对准,将一个周期内的图像帧叠加以消除固定图案噪声(fixedpatternnoise,FPN).选用SVGA的数字式CMOS图像传感器进行多帧微扫描成像试验.试验结果证明,多帧微扫描所得图像与无微扫描的单帧图像相比FPN已经完全消除.
引用
收藏
页码:23 / 25
页数:3
相关论文
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