Integrity Verification Scheme of Video Contents in Surveillance Cameras for Digital Forensic Investigations

Sangwook LEE; Ji Eun SONG; Wan Yeon LEE; Young Woong KO; Heejo LEE

doi:10.1587/transinf.2014MUL0001

IEICE Transactions on Information and Systems

Online ISSN : 1745-1361
Print ISSN : 0916-8532

Special Section on Enriched Multimedia

Integrity Verification Scheme of Video Contents in Surveillance Cameras for Digital Forensic Investigations

Sangwook LEE, Ji Eun SONG, Wan Yeon LEE, Young Woong KO, Heejo LEE

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Keywords: digital forensics, integrity, surveillance camera, video frame

JOURNAL FREE ACCESS

2015 Volume E98.D Issue 1 Pages 95-97

DOI https://doi.org/10.1587/transinf.2014MUL0001

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Abstract

For digital forensic investigations, the proposed scheme verifies the integrity of video contents in legacy surveillance camera systems with no built-in integrity protection. The scheme exploits video frames remaining in slack space of storage media, instead of timestamp information vulnerable to tampering. The scheme is applied to integrity verification of video contents formatted with AVI or MP4 files in automobile blackboxes.

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