Secure Web-Based Image Transmission System Using Digital Watermark

A web-based image transmission system using digital watermark is presented with experimental results in this paper. This system assures when pirated image is found, the illegal user can be traced. The user's message after chaotic encryption as watermark embeds into image. Experimental results show our system which is used for a web-based image transmission is effective and robust. Especially, user's message can also be extracted from watermark image under diverse attacks such as some image- processing operations and JPEG compression. Keywords-digital watermark; chaotic sequence; image transmission; robust

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