改变图像尺寸是多速率系统的重要应用之一。
Image size conversion is an important subject in the applications of the multirate signal processing systems.
如果你的网站缺少下列特性：自由改变字体尺寸、清晰的图像描述、简便的导航系统，那么，上述那些人就很难访问到你的信息。
If your website lacks features such as resizable fonts, images with proper text descriptions, and easy navigation, these people will not be able to access your information.
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。
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.
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