As an important application of information hiding technology, digital watermarking has provided a new solution to protect the copyright of multimedia information and to use its content legitimately. Above of all, using the fragile digital watermarking to guarantee the authenticity and integrity of multimedia contents has its unique superiority. Now along with electronic commerce and
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This dissertation studies theories of wavelet and digital watermarking, investigates main problems with digital media, studies image lossless compression algorithms and image demosaicing algorithms based on wavelet theories through combination with those problems, and studies copyright protection methods for digital media based on digital watermarking theories. It studies the copyright protection method for genuine media
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