提出了一种采用中位数的滑动窗口滤波方法。
Anew high fidelity filtering algorithm (HFFA) using medians in moving window is proposed.
中值滤波是图像处理中比较常用的滤波方法，但是它对窗口和数据点的依赖使它在处理空间密度较大的冲激噪声时受到限制。
The median filtering is a common method in image processing, but it is limited when it faces the swash noise of space high density, because it depends on the fixed Windows and the data points.
频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。
Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between Windows.
该算法釆用线状掩模窗口和最优融合估计方法，有效地增强了边缘保持能力和去噪能力，克服了边缘保持滤波器存在的缺陷。
By using linear mask and the optimal fusion estimation, this algorithm improves the ability of edge keeping and denoising effectively, overcomes the disadvantages of the edge keeping filter.
PGF滤波：该方法主要思想是只找出滤波窗口中与中心像素距离特征相近的邻域像素作为同组成员参加滤波。
PGF filtering: This method is only to identify the main idea with the center pixel in filter window from the neighboring pixels with similar characteristics as members of the same group filtering.
PGF滤波：该方法主要思想是只找出滤波窗口中与中心像素距离特征相近的邻域像素作为同组成员参加滤波。
PGF filtering: This method is only to identify the main idea with the center pixel in filter window from the neighboring pixels with similar characteristics as members of the same group filtering.
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