The multimedia blockchain: A distributed and tamper-proof media transaction framework
The multimedia blockchain: A distributed and tamper-proof media transaction framework
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DOI：
10.1109/icdsp.2017.8096051
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发表时间：
2017-11
期刊：
影响因子：
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通讯作者：
Deepayan Bhowmik;Tian Feng
中科院分区：
文献类型：
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作者：
Deepayan Bhowmik;Tian Feng
提出了一种基于区块链模型的分布式防篡改媒体交易框架。当前的多媒体分发不保存事务跟踪或内容修改历史的可自检索信息。例如，有价值的艺术品、创意媒体和娱乐内容的数字副本被分发用于各种目的，包括展览、画廊收藏或媒体制作工作流程。原创媒体经常被编辑用于创作内容准备或篡改以在社交媒体上制造虚假宣传。然而，没有现有的可信机制，可以很容易地检索交易跟踪或修改历史。我们提出了一种新的基于水印的多媒体区块链框架，可以解决这些问题。唯一水印信息包含两条信息：a）包含交易历史（区块链交易日志）的加密散列和B）保留可检索的原始媒体内容的图像散列。一旦水印被提取，水印的第一部分被传递到分布式账本以检索历史交易轨迹，而后一部分被用于识别编辑/篡改的区域。本文概述了要求，挑战，并证明了这一概念的证明。
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.