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空域滤波是图像处理的一个重要组成部分．本文提出了用多尺度小波变换局部模最大值进行图像空域滤波（主要是边缘检测及去噪）的方法，并叙述了该方法在图像分析、图像压缩编码等方面的可能应用．
Spatial filtering is an important part of image processing. In this paper, a method of image spatial filtering (mainly edge detection and denoising) using the maximum local mode of multi-scale wavelet transform is proposed. The possible application of the method in image analysis and image compression coding is also described.