摘要
数字图像在司法取证、新闻报道等领域扮演着重要角色,然而验证其来源的权威性和信息的完整性对于相关应用至关重要.为此,学者试图从一组没有先验知识的图像中挖掘出其设备关联信息,即数字图像的设备溯源.数字图像的设备溯源技术在当今的互联网背景下有着广阔的实际应用场合,是取证领域研究的热点.近年来,大量的数字图像的设备溯源算法被提出,并且取得了可喜的性能.针对数字图像设备溯源问题,就设备指纹特征提取和图像设备关联两个关键步骤进行阐述,分析并总结典型算法和关键研究思路.在此基础之上,进一步分析当前研究所面临的问题,指出数字图像设备溯源未来可能的研究重点与发展方向.
Digital images play an important role in many areas such as judicial forensics and news reporting. However, verifying the authority of digital image sources and the integrity of information is critical to some applications. To this end, researchers have paid much effect to find out the relationship between images and image sensing devices after given a set of images without any prior knowledge, which is called camera device identification. In fact, this kind of techniques can be applied to many application scenarios, and lots of good works have been reported in the last decade. In this paper, we attempt to summarize the related studies from two aspects, i.e., device feature extraction and source camera linking, and classic algorithms and their key ideas are analyzed. Finally, this paper further analyzes the problems faced by the current research, and points out the possible research focus and development direction of camera source identification in the future.
作者
蒋翔
韦世奎
赵瑞珍
赵耀
杜雪涛
杜刚
JIANG Xiang;WEI Shikui;ZHAO Ruizhen;ZHAO Yao;DU Xuetao;DU Gang(Institute of Information Science,Beijing Jiaotong University,Beijing 100044,China;China Mobile Group Design Insitute Co.,Ltd.,Beijing 100080,China)
出处
《北京交通大学学报》
CAS
CSCD
北大核心
2019年第2期48-57,共10页
JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金
国家重点研发计划(2017YFC1703503)
国家自然科学基金(61572065
61532005)
教育部-中国移动联合基金(MCM20160102)
中央高校基本科研业务费专项资金(2018JBZ001)~~
关键词
信号与信息处理
数字图像溯源
设备指纹
图像设备关联
signal and information processing
digital imaging-device forensic
camera fingerprint
imaging device linking
