基于光强信息的视频插帧篡改检测  

Video Frame Interpolation Tamper Detection Based on Illumination Information

作　　者：吴铁浩[1] 黄添强[1,2] 袁秀娟[1] 陈智文[1] 

机构地区：[1]福建师范大学数学与计算机科学学院,福州350007 [2]福建师范大学网络安全与密码技术福建省高校重点实验室,福州350007

出　　处：《计算机工程》2014年第7期235-241,共7页Computer Engineering

基　　金：国家自然科学基金资助项目(61070062);福建省高校产学合作科技基金资助重大项目(2012H6006);福建省高校服务海西建设基金资助重点项目(2008HX200941-4-5);福建省高等学校新世纪优秀人才支持计划基金资助项目(JAI1038)

摘　　要：提出一种基于光强信息的视频插帧篡改检测方法。对于一段连续拍摄的视频,通过视频帧序列的亮度连续性可以间接反映出拍摄场景的光照强度连续性。因此,对于一段遭遇帧插入篡改的视频,无论插入帧是否与原视频同源,只要是在不同时间点拍摄的,那么合成视频的场景光强信息特征将会出现不连贯,从而导致亮度不连续的特点。为此,根据光强信息的连续性特征,提取视频每一帧的多个光强信息,将每一帧的光强信息融合,得到光强信息序列,由序列特征得出检测结果。实验结果表明,该方法能够准确地检测一段视频是否经过帧插入合成。This paper presents a light intensity information of video plug frame tamper detection method. For a period of continuous shooting video, video frame sequence of brightness continuity can indirectly reflect the shooting scene illumination intensity continuity. So for a period of encounter frame interpolation garbled video, no matter whether insert frame with the original video homologous, as long as it is in different time point shooting, the synthetic video scene light intensity information features are disconnected characteristics and lead disconnection of luminance. According to the intensity of the continuity of information, each video frame of multiple light intensity information is extracted. It fuses the light intensity information of each frame and gets the intensity information sequence, according to the sequence feature detection results. Experimental results show that the proposed method can detect whether a video frame after insert synthesis.

关 键 词：视频篡改 光照强度 多媒体取证 HSV颜色模型 灰度 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]