The multimedia blockchain: a distributed and tamper-proof media transaction framework

BHOWMIK, Deepayan and FENG, Tian (2017). The multimedia blockchain: a distributed and tamper-proof media transaction framework. In: Digital Signal Processing (DSP), 2017 22nd International Conference on, London, 2017-August, 3 November 2017. IEEE.

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A distributed and tamper proof media transaction framework is proposed based on the blockchain model. Current multimedia distribution does not preserve self-retrievable information of transaction trails or content modification histories. For example, digital copies of valuable artworks, creative media and entertainment contents are distributed for various purposes including exhibitions, gallery collections or in media production workflow. Original media is often edited for creative content preparation or tampered with to fabricate false propaganda over social media. However there is no existing trusted mechanism that can easily retrieve either the transaction trails or the modification histories. We propose a novel watermarking based Multimedia Blockchain framework that can address such issues. The unique watermark information contains two pieces of information: a) a cryptographic hash that contains transaction histories (blockchain transactions log) and b) an image hash that preserves retrievable original media content. Once the watermark is extracted, first part of the watermark is passed to a distributed ledger to retrieve the historical transaction trail and the latter part is used to identify the edited / tampered regions. The paper outlines the requirements, the challenges and demonstrates the proof of this concept.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Paper presented at International Conference on Digital Signal Processing (DSP), London, UK, 23-25 August, 2017. INSPEC Accession Number: 17337065 Electronic ISSN: 2165-3577
Research Institute, Centre or Group - Does NOT include content added after October 2018: Cultural Communication and Computing Research Institute > Communication and Computing Research Centre
Departments - Does NOT include content added after October 2018: Faculty of Science, Technology and Arts > Department of Computing
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Depositing User: Deepayan Bhowmik
Date Deposited: 24 Jul 2017 12:59
Last Modified: 18 Mar 2021 06:05

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