Broken integrity detection of video files in video event data recorders

Choongin Lee, Jehyun Lee, Youngbin Pyo, Heejo Lee

Research output: Contribution to journalArticle

1 Citation (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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