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Conference Paper On the Challenges of Applying Selective Encryption on Region-of-Interest in H.264 Video Coding
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Authors
Su Gil Choi, Geon Woo Kim, Jong Wook Han
Issue Date
2009-12
Citation
International Conference on Computer Science and its Applications (CSA) 2009, pp.1-5
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/CSA.2009.5404257
Project Code
09MS5500, Development of Video Surveillance Security Technologies for Preserving Personal Security, Han Jong-Wook
Abstract
Selective encryption of video data is not a new idea and various techniques proposed in previous literatures can effectively protect sensitive data from unauthorized access. After the initial appearance of selective encryption, some principles have become well known and widely adopted. One of the principles is the standard format compliance, which means that unauthorized users can decode and process the encrypted video without knowing the content. In the context of ROI encryption, this allows unauthorized users to decode and view the video except for the encrypted region containing sensitive information. However, there are some challenges for providing format compliance in H.264 video coding when applying encryption on certain regions and it is very important to address this issue in some applications such as privacy masking in video surveillance system. In this work, we describe the challenges and introduce some approaches to address these.. © 2009 IEEE.
KSP Keywords
Region Of Interest(ROI), Selective encryption, Sensitive Data, Sensitive information, Unauthorized Access, Video coding, Video data, Video surveillance system, unauthorized users