垃圾彩信检索与拦截软件系统的研究与实现

【作者】 王军；

【导师】 彭真明； 田传平；

【作者基本信息】 电子科技大学 ， 软件工程， 2011， 硕士

【摘要】 随着我国移动通信业务的发展,手机彩信业务逐渐赢得了广大手机用户的青睐。随着手机彩信业务的广泛应用,“垃圾彩信”问题也越来越严重,成为一大社会公害。垃圾彩信的泛滥,已经干扰到人们的正常生活和市场的正常运行。垃圾彩信的有效治理事关彩信服务的健康发展,对维护人们的通信自由,生活安宁有着重要意义。本文对垃圾彩信进行了明确定义和分类。并对来电号码黑名单匹配、彩信文本信息关键词过滤、彩信图像拦截三种技术进行了分析。在此基础上,建立了一个基于内容的垃圾彩信拦截系统,来实现对彩信的拦截。本系统的关键点是通过肤色检测、纹理检测以及人脸检测提取特征量,并设计分类器。本文对系统的基本功能进行了介绍,为了了验证系统对图像内容拦截的有效性,本文还对1508张图片进行了测试。结果表明,本文设计的系统能够有效的进行图像的拦截,拦截率超过80%。本系统为垃圾彩信治理提供了一项有效手段,它不仅很大程度地遏制了骚扰、欺诈、色情等各种垃圾彩信,还将为广大手机用户提供一个安全、可靠和安心的通信消费环境。更多还原

【Abstract】 Along with the development of China’s mobile communications business, mobile phone multimedia message service has won the favor of majority mobile phone users. Duing to the widely used of MMS services, the increasing of”MMS spam”issues became a serious social hazards. The proliferation of MMS spams has interfered with people’s normal life and the regular operation of the communication business market. Effective management of spam messages was of great significance since it concerning to the healthy development of the service industry, the maintenance of people’s freedom, and peace of human social life.In this study, we made a clear definition and classification on the multimedia message. In addition, we analysised the three techniques as to the matched blacklists filtering, keywords filtering, images filtering. Based on that, we made a MMS interception system which was content-based in order to intercept the spam MMS. The key point of this system was to extract features and construct the classifier by means of skin-color detection, texture detection and face detectionThis thesis described the basic functions of the interception system. To verify the image filtering effectiveness of our system. we made extensive experiments with 1508 images. The result indicated that the interception system could block the images effectively. The overall interception rate of this system was over 80%.In sum, the system provided an effective way to control MMS spam. It was not only greatly limiting the amount of harassment, deceiving or pornography multimedia messages, but also supplied a safe and reliable communication environment for the phone users.更多还原