通过对BEMD性质和图像特征的研究，提出将改进的BEMD方法应用于图像边缘提取和去噪。
By the research of the nature and image characteristics of BEMD, improved BEMD method will be applied to image edge extraction and denoising.
文章介绍了一种用于图像边缘提取和编码的新算法，并提出一种链码文件的有效组织方法，同时对图像处理过程中遇到的消噪问题进行讨论。
This paper introduces a new algorithm for image edge extraction and coding, an efficient method for code file organization is presented, meanwhile, the noise suppression problem is discussed.
提出了一种二次反锐化掩模算子(QUM)，用于从图像中提取等比重的边缘和细节信息。
A quadratic unsharp masking (QUM) operator is presented, which extracts edge and detail information from an image with equal weights.
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