使用文件容器和元数据属性验证数字mp4视频记录

Gangwar D.P., A. Pathania, A. ., S. -
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引用次数: 1

摘要

数字录像的鉴定在法医学和其他犯罪侦查中起着非常重要的作用。数字视频法医鉴定领域不断面临新的挑战。目前对视频的认证是基于像素分析进行的。由于技术的变化,人们认为需要一种新的方法来鉴定数字录像。在本工作中,一种新的方法,即媒体信息分析和mp4文件格式的视频容器(盒/原子)的结构分析,已被用于识别原始和编辑的视频。这项工作仅限于Mp4文件格式,因为Mp4压缩格式在大多数手机中广泛用于视频录制和传输目的。为此,我们使用20多款不同品牌和型号的不同手机,以及12多个视频编辑器,录制了200多个视频样本,这些视频编辑器都是开源的,用于编辑目的。使用不同的免费软件工具对原始和编辑后的MP4视频文件进行不同的元数据分析和不同文件容器(盒/原子)的结构内容分析。下面描述了这项工作的细节。
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AUTHENTICATION OF DIGITAL MP4 VIDEO RECORDINGS USING FILE CONTAINERS AND METADATA PROPERTIES
The authentication of digital video recording plays a very important role in forensic science as well as for other crime investigation purposes. The field of forensic examination of digital video is continuously facing new challenges. At present the authentication of the video is carried out on the basis of pixel-based analysis. Due to the change in technology, it was felt that a new approach is required for the authentication of digital video recordings. In the present work a new approach i.e. analysis of media Information and structural analysis of video containers (boxes/ atoms) of mp4 file format have been applied for identification of original and edited videos. This work is limited only for Mp4 file format because the MP4 compressed format is widely used in most of the mobile phone for video recording and transmission purposes. For this purpose, we recorded more than 200 video samples using more than 20 different mobile phones of different make and models and more than 12 video editors, which are available in open source used for editing purpose. The original and edited MP4 video files were analyzed for their different metadata and structural contents analysis of different file containers (boxes/atoms) using different freeware tools. The details of the work are described below.
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A Way of Safeguard using Concept of Recurrence Relation and Fuzzy logic against Security Breach in Wireless Communication AUTHENTICATION OF DIGITAL MP4 VIDEO RECORDINGS USING FILE CONTAINERS AND METADATA PROPERTIES PERFORMANCE OPTIMIZATION OF WEB-BASED APPLICATION
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