屏幕防窃拍方法综述  

Overview of Preventing Candid Photos Methods for Electronic Screens

作　　者：王晓媛 张文涛[1] WANG Xiao-yuan;ZHANG Wen-tao(China Aerospace Academy of Systems Science and Engineering,Beijing 100037,China)

机构地区：[1]中国航天系统科学与工程研究院

出　　处：《计算机科学》2019年第B06期41-44,共4页Computer Science

摘　　要：如今,手机等设备的拍照性能愈发强大,其在给人们的生活带来便捷和快乐的同时,也为不法分子窃取企业商业秘密乃至国家秘密降低了犯罪成本,便捷而隐蔽的窃密方式给信息安全的防范工作带来了极大挑战。针对屏幕防窃拍方法,文中基于已有的相关学术研究和商业方案,介绍了3类屏幕防窃拍方法,分别为信息隐藏显示法、摄像头检测法和屏幕水印法,从信息安全防护角度分析了各类方法的特征、优势与限制。基于各类方法的局限性,最后提出了基于计算机视觉的新解决思路。Nowadays,the performance of mobile phones and other devices has become more and more powerful.It brings convenience and entertainment to people’s life.At the same time,it also reduces the cost of crime to steal business secrets even national secrets.The convenient and covert ways of stealing secrets have brought great challenges to information security.According to existing academic research and business solutions,this paper introduced three kinds of methods:hiding display information,detection camera and screen watermarking.Then it analyzed the characteristics,advantages and limitations of various methods from the angle of information security protection.Finally,a new solution based on computer vision was proposed to avoid the limitations.

关 键 词：防窃拍方法 信息隐藏显示 摄像头检测 屏幕水印 计算机视觉 

分 类 号：TP30[自动化与计算机技术—计算机系统结构]