Visual data security and management for smart cities

Authors:
Zhenyong Chen;Wei Fan;Zhang Xiong;Pingan Zhang;Lixin Luo
Affiliations:
School of Computer Science and Engineering, Beihang University, Beijing, China 100191;School of Computer Science and Engineering, Beihang University, Beijing, China 100191;School of Computer Science and Engineering, Beihang University, Beijing, China 100191;School of Computer Science and Engineering, Beihang University, Beijing, China 100191;School of Computer Science and Engineering, Beihang University, Beijing, China 100191
Venue:
Frontiers of Computer Science in China
Year:
2010

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Abstract

This paper proposes a method to manage and utilize image and video data effectively in a smart city. Applying digital watermarking techniques, a framework for visual data security and management for smart cities is presented. In the framework, a reversible fragile or semi-fragile watermark embedded into the visual data is used to ensure trusted acquisition. Moreover, reversible metadata watermarks carrying information such as identification and other properties data is used to assist visual data management. A solution for tracing users on a large scale is presented using reversible watermarking.