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首页> 外文会议>International symposium on multispectral image processing and pattern recognition >Image-adaptive and Robust Digital Wavelet-domain Watermarking for Images
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Image-adaptive and Robust Digital Wavelet-domain Watermarking for Images

机译：图像的图像自适应和鲁棒数字小波域水印

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We propose a new frequency domain wavelet based watermarking technique. The key idea of our scheme is twofold: multire solution representation of image and odd-even quantization embedding/extracting watermark. Because many complementary watermarks need to be hidden, the watermark image designed is image-adaptive. The meaningful and complementary watermark images was embedded into the original image (host image) by odd-even quantization modifying coefficients, which was selected from the detail wavelet coefficients of the original image, if their magnitudes are larger than their corresponding Just Noticeable Difference thresholds. The tests show good robustness against best-known attacks such as noise addition, image compression, median filtering, clipping as well as geometric transforms. Further research may improve the performance by refining JND thresholds.~1
机译：我们提出了一种新的基于频域小波的水印技术。我们的方案的关键思想是双重的：图像的多重解表示和奇偶量化的嵌入/提取水印。由于需要隐藏许多互补的水印，因此设计的水印图像具有图像适应性。如果它们的幅度大于相应的“仅可注意到的差异”阈值，则通过从原始图像的细节小波系数中选择的奇偶量化修改系数将有意义且互补的水印图像嵌入到原始图像（主图像）中。测试显示出对众所周知的攻击（如噪声添加，图像压缩，中值滤波，限幅以及几何变换）的良好鲁棒性。进一步的研究可能会通过改进JND阈值来提高性能。〜1

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