一种基于Alpha-Beta空间的鲁棒图像水印方案

2006 IEEE International Conference on Multimedia and Expo Pub Date : 2006-07-09 DOI:10.1109/ICME.2006.262847

P. Martins, P. Carvalho

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摘要

提出了一种基于仿射不变嵌入域的鲁棒图像水印方案。不变空间是利用仿射不变兴趣点作为顶点对图像进行三角化，并基于质心坐标系对仿射变换进行不变三角形表示得到的。水印通过自适应量化步骤的量化指标调制进行编码

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A Robust Imagewatermarking Scheme Based on the Alpha-Beta Space

A robust image watermarking scheme relying on an affine invariant embedding domain is presented. The invariant space is obtained by triangulating the image using affine invariant interest points as vertices and performing an invariant triangle representation with respect to affine transformations based on the barycentric coordinates system. The watermark is encoded via quantization index modulation with an adaptive quantization step

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2006 IEEE International Conference on Multimedia and Expo

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