范文编号:TX029 范文字数:24440,页数:63 摘 要 在获取图像的过程中,由于多种因素的影响,导致图像质量会有所退化。图像增强的目的在于通过处理有选择地突出便于人或机器分析某些感兴趣的信息,抑制一些无用的信息,以提高图像的使用价值。图像锐化正是图像增强中空间域局部运算方法中的一种,其目的是增强和判断图像的边缘和轮廓信息。而图像锐化的具体方法就是通过微分而使图像边缘突出、清晰。 关键词:图像增强;边缘;图像锐化;DSP In the process of image acquisiting, the image quality will be degraded due to a variety of factors. Image enhanceing is aimed at highlighting some interested information that is easy to analyze for people and machine and inhibiting some useless information to enhance the image value. Image sharpening is a partion operation method of image enhancing in spatial domain, and its purpose is to enhance and judge the edge of the image and profile information and the specific method of the image sharpening uses differential to make the edge so prominent and clear. Key words:Image enhancing; Edge; Image Sharpening; DSP 前 言 1
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