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Taking the inevitable speckle noise in synthetic aperture radar (SAR) images into account, a feature extraction algorithm is proposed by combining the locality-preserving property and the Gamma distribution for SAR target configuration recognition in this study. To describe the essential characteristics of SAR images, the authors model the speckle noise by the Gamma distribution. Moreover, the locality-preserving...
Classical edge detection method has great limitation, because the noise contained in the image has significant influence on the results, while the speed of edge detection and whether the edge can be detected or not are also the concerned problems. This paper proposed two edge detection methods based on the statistical features, which can accurately detect the edges and suppress the impact of the noise...
As more polymorphic malicious codes coming into being, traditional anti-virus methods can not satisfy the current need. In order to achieve some specific functions, malicious codes must have some behaviors which are different from that of the normal programs. Focus on the difference between normal programs and the malicious codes the paper applies support vector machine (SVM) and creates a space of...
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