可以检测图像中圆和直线的信息，有利于初学者使用学习。-Edge detection has played an important role in the field of computer vision. A parametric edge detection method based on recursive mean-separate image decomposition is introduced. A method for automatic parameter selection

基于云重心评价法的目标程度估Evaluation Based on Cloud degree of Air Threat Assessment-Evaluation Based on Cloud degree of Air Threat Assessment

关于威胁评估方面的几篇文章,主要用于无人机或飞行器上，可供参考阅读-Several articles on the threat assessment, mainly used in unmanned aerial vehicles, or aircraft available for reference reading

In this paper they present the vulnerability, threats and attacks for Third Generation (3G) networks converged with WLAN and propose the security model addressing the roaming and non-roaming security scenarios.