Transform domain encrypted image digital watermarking algorithm of this paper, the image watermarking algorithm using discrete wavelet transform digital watermark embedding and extraction This is because the wavelet transform signal or image multi-resolution decomposition, with zoom out and panning mathematical microscope function, using the characteristics of wavelet decomposition can watermark information is embedded into different regions of the image carrier, a better resistance to a variety of signal processing operation.

变换域加密图像数字水印算法研究.pdf

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