Towards Effective Content Authentication for Digital Videos by Employing Feature Extraction and Quantization

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题名:	Towards Effective Content Authentication for Digital Videos by Employing Feature Extraction and Quantization
作者:	Su,PC;Chen,CC;Chang,HM
贡献者:	資訊工程研究所
关键词:	IMAGE AUTHENTICATION;SURVEILLANCE APPLICATIONS;WATERMARKING;SYSTEMS;DESIGN
日期:	2009
上传时间:	2010-06-29 20:14:31 (UTC+8)
出版者:	中央大學
摘要:	A content authentication scheme for digital videos is proposed in this paper. In order to prevent the content from being unnoticeably tampered with by using digital editing facilities, we employ the approach of scalar/vector quantization on the reliable features extracted from video frame blocks to form the authentication code, which is transmitted along with the video. The resulting authentication code is sensitive to malicious modifications of video data but resilient to allowed lossy compression processes, such as H.264/advanced video coding (AVC). The integrity of video content can thus be guaranteed if the extracted feature matches the transmitted authentication code. Experimental results will show the feasibility of the proposed scheme.
關聯:	IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
显示于类别:	[資訊工程研究所] 期刊論文

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