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计算机科学 2002
基于图像小波变换的自适应数字水印Keywords: 图像水印算法图像压缩小波变换自适应数字水印图像处理版权保护多媒体 Abstract: animageadaptivedigitalwatermarkingalgorithmbasedondiscretewavelettransform(dwt)isproposed.withwavelettransform,theimageisdecomposedintosubbandcoefficientscorrespondingtodifferentspatialpositionandfrequency,amongwhichatreestr
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