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Color images play an important role in the life, and watermarking algorithm based on Discrete Wavelet Transform (DWT) causes more concern. This paper presents a multipurpose digital watermarking… (More)
Color images play a more and more important role in actual life, and the wavelet transformation technique is effective in image analyzing and processing. Thus the color-image watermark algorithm… (More)
A wavelet coding method available in hardware design is discussed in this passage. So far, wavelet coding has used in many fields, but a lot of arithmetic occupy much memory, which make speed of… (More)