A column readout circuit to reduce fixed pattern noise (FPN) for CMOS active pixel sensor images is presented.

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。

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Two simple and efficient algorithms of sub-pixel corner detection for camera calibration dy using plane pattern were presented.

针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。

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A first memory (102) is configured to store pixel values for transitions between portions of the video test pattern and configured to store a repeated pixel value.

第一存储器(102)被配置用于存储用于视频测试图案的各部分之间的过渡的像素值，并被配置用于存储重复的像素值。

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By combining many pixels to create a single higher-quality pixel, oversampling also removes Bayer pattern problems and reduces noise.

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