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Watermarking is one useful solution for Digital Rights Management (DRM) systems, and it is a popular research topic in the last decade. In this paper, besides the inherent behavior to conquer against intentional or unintentional attacks for watermarking, the authors not only watch the survivability of embedded watermark, but also focus on retaining the watermarked image quality with the aid of Multiple Description Coding (MDC). MDC is a technique for error resilient coding, suitable for transmitting compressed data over multiple channels.
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