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Hidden digital watermarks in images

机译:图像中的隐藏数字水印

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An image authentication technique by embedding digital "watermarks" into images is proposed. Watermarking is a technique for labeling digital pictures by hiding secret information into the images. Sophisticated watermark embedding is a potential method to discourage unauthorized copying or attest the origin of the images. In our approach, we embed the watermarks with visually recognizable patterns into the images by selectively modifying the middle-frequency parts of the image. Several variations of the proposed method are addressed. The experimental results show that the proposed technique successfully survives image processing operations, image cropping, and the Joint Photographic Experts Group (JPEG) lossy compression.
机译:提出了通过将数字“水印”嵌入图像中的图像认证技术。水印是通过将秘密信息隐藏到图像中来标记数字图片的技术。复杂的水印嵌入是阻止未授权复制或证明图像来源的潜在方法。在我们的方法中,我们通过选择性地修改图像的中频部分,将具有视觉上可识别图案的水印嵌入图像中。解决了所提出方法的几种变型。实验结果表明,所提出的技术成功地经受了图像处理,图像裁剪和联合图像专家组(JPEG)有损压缩的影响。

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