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DFRWS 2021 APAC- Proceedings of the First Annual DFRWS APAC Your car is recording: Metadata-driven dashcam analysis system

Authors
Lee, KukheonChoi, Jong-HyunPark, JungheumLee, Sangjin
Issue Date
10월-2021
Publisher
ELSEVIER SCI LTD
Keywords
Container; Dashcam; Digital forensics; Footage; Metadata; onBoardCam
Citation
FORENSIC SCIENCE INTERNATIONAL-DIGITAL INVESTIGATION, v.38
Indexed
SCIE
SCOPUS
Journal Title
FORENSIC SCIENCE INTERNATIONAL-DIGITAL INVESTIGATION
Volume
38
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/136287
DOI
10.1016/j.fsidi.2021.301131
ISSN
2666-2817
Abstract
Dashcam as an on-board camera is useful as a source of potential digital evidence not only to reveal the truth of a traffic accident but also to explain the situation of a crime scene as a moving surveillance camera. It stores multimedia data as well as a variety of additional information needed for accident investigation including time, location, speed, accelerometer, etc. Under these circumstances, various studies have been conducted for dashcam forensics, but most of them focused mainly on extracting and interpreting visual video frames. In this paper, we identify and classify various metadata generated by 14 dashcam models produced by 11 manufacturers. Furthermore, we develop a normalized database schema to manage multiple different metadata and then discuss several dashcam forensic activities based on it. In addition, a prototype open-source tool is presented to support the proposed metadatadriven dashcam forensics. (c) 2021 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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