Broken integrity detection of video files in video event data recorders

Choongin Lee, Jehyun Lee, Youngbin Pyo, Heejo Lee

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    As digital evidence has a highly influential role in proving the innocence of suspects, methods for integrity verification of such digital evidence have become essential in the digital forensic field. Most surveillance camera systems are not equipped with proper built-in integrity protection functions. Because digital forgery techniques are becoming increasingly sophisticated, manually determining whether digital content has been falsified is becoming extremely difficult for investigators. Hence, systematic approaches to forensic integrity verification are essential for ascertaining truth or falsehood. We propose an integrity determination method that utilizes the structure of the video content in a Video Event Data Recorder (VEDR). The proposed method identifies the difference in frame index fields between a forged file and an original file. Experiments conducted using real VEDRs in the market and video files forged by a video editing tool demonstrate that the proposed integrity verification scheme can detect broken integrity in video content.

    Original languageEnglish
    Pages (from-to)3943-3957
    Number of pages15
    JournalKSII Transactions on Internet and Information Systems
    Volume10
    Issue number8
    DOIs
    Publication statusPublished - 2016 Aug 31

    Keywords

    • Computer security
    • Digital forensics
    • Multimedia forensics
    • Multimedia security

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Information Systems

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