针对CMOS有源像素传感器，提出一种降低固定模式噪声(FPN)的列读出电路。
A column readout circuit to reduce fixed pattern noise (FPN) for CMOS active pixel sensor images is presented.
提出维纳滤波与亮度归一化相结合的图像预处理技术，去除固定模式噪声和亮度变化的影响。
An image pre-processing techniques based on Wiener filter and normalization of image brightness is proposed for weaken the influence of periodic noise and brightness variation.
提出维纳滤波与亮度归一化相结合的图像预处理技术，去除固定模式噪声和亮度变化的影响。
An image pre-processing techniques based on Wiener filter and normalization of image brightness is proposed for weaken the influence of periodic noise and brightness variation.
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