An Algorithm of Digital Image Watermark Based on Frequency-refined Multiresolution Wavelet and Quantizatio

Abstract

Abstract: In this paper, an algorithm of digital image watermark based on frequency-refined multiresolution wavelet and quantization is introduced, and the original image is not required for detecting the watermark. Experimental results show that the proposed algorithmkeeps the quality of the image well and is robust against common image processing operations.

摘要： 提出了一种基于频率细化多分辨率小波变换和量化的数字图像水印算法,该算法不需要利用原始图像。实验结果表明,该算法较好地保持了图像的质量,对常见的图像处理方法显示了较强的健壮性。

关键词: 数字图像水印, 小波变换, 频率细化

CLC Number:

TP391.41

n, MAO Bingyi. An Algorithm of Digital Image Watermark Based on Frequency-refined Multiresolution Wavelet and Quantizatio[J]. , 2002, 28(08): 219-221.

毛秉毅. 一种基于频率细化多分辨率小波变换和量化的数字图像水印算法[J]. , 2002, 28(08): 219-221.

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