将一维信号的自适应冲激噪声滤波算法扩展到二维空间，并改进以应用到图像噪声滤波。
An impulse noise filter for 1d signal has been introduced and then extended for the image proceeding.
脉冲检测技术是脉冲噪声图像滤波的关键技术。
The technology of impulse detection is the key technology of image filter of impulse noise.
针对灰度图像的椒盐噪声滤波问题，提出一种保细节的非线性滤波算法。
A nonlinear filtering algorithm was presented to remove salt and pepper noise from gray-scale image while preserving details.
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