ARCHANGEL: Tamper-proofing Video Archives using Temporal Content Hashes on the Blockchain

被引：9

作者：

Bui, T. ^{[1
]}

Cooper, D. ^{[1
]}

Collomosse, J. ^{[1
]}

Bell, M. ^{[2
]}

Green, A. ^{[2
]}

Sheridan, J. ^{[2
]}

Higgins, J. ^{[3
]}

Das, A. ^{[3
]}

Keller, J. ^{[3
]}

Thereaux, O. ^{[3
]}

Brown, A. ^{[4
]}

机构：

[1] Univ Surrey, Ctr Vis Speech & Signal Proc, Guildford, Surrey, England

[2] Natl Archives, London, England

[3] Open Data Inst ODI, London, England

[4] Univ Exeter, INDEX Business Sch, Exeter, Devon, England

来源：

2019 IEEE/CVF CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS (CVPRW 2019) | 2019年

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1109/CVPRW.2019.00338

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We present ARCHANGEL; a novel distributed ledger based system for assuring the long-term integrity of digital video archives. First, we describe a novel deep network architecture for computing compact temporal content hashes (TCHs) from audio-visual streams with durations of minutes or hours. Our TCHs are sensitive to accidental or malicious content modification (tampering) but invariant to the codec used to encode the video. This is necessary due to the curatorial requirement for archives to format shift video over time to ensure future accessibility. Second, we describe how the TCHs (and the models used to derive them) are secured via a proof-of-authority blockchain distributed across multiple independent archives. We report on the efficacy of ARCHANGEL within the context of a trial deployment in which the national government archives of the United Kingdom, Estonia and Norway participated.

引用

页码：2793 / 2801

页数：9

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