By means of residual impulse noise detection, the window size of median filter was chosen adaptively to remove the high density impulse noise while preserving the details of the image.

通过对剩余脉冲的检测，自适应地改变滤波器窗口尺寸，从而有效地滤除密度较大的脉冲干扰，同时较好地保留图像的细节。

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The technology of impulse detection is the key technology of image filter of impulse noise.

脉冲检测技术是脉冲噪声图像滤波的关键技术。

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The optimization algorithm proposed can improve the performance of impulse detection algorithm; furthermore, heighten the overall performance of the OFDM receiver in impulsive noise environment.

本消隐非线性阈值的优化算法可以改进脉冲噪声检测算法的性能，进而大大改善OFDM系统在中压配电线脉冲噪声环境中的总体性能。

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