提出了一种基于像素值直方图之间相关系数的数字水印图像搜索方法

2013 9th International Conference on Information, Communications & Signal Processing Pub Date : 2013-12-01 DOI:10.1109/ICICS.2013.6782916

K. Imamura, H. Kuroda, M. Fujimura

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引用次数: 3

摘要

我们在之前的文章中提出了一种有效的两阶段图像搜索方法来提取互联网上的非法拷贝。为了提高预搜索阶段的搜索效率，本文提出了一种准则图像预处理方法。由于标准图像制备方法为涉及已知像素值变化的各种攻击提供了标准图像集，因此可以在不遗漏的情况下加速搜索。此外，我们提出了一种改进的预搜索算法，该算法包括提取gif压缩攻击图像，涉及颜色数变换。通过计算机仿真对改进的预搜索方法的性能进行了评价。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Criterial image preparation for a search method for digital watermarking image using correlation coefficient between pixel value histograms

An efficient two-stage image search method for the extraction of illegal copies on the Internet has been proposed in our previous paper. In the present paper, we propose a criterial image preparation method for more efficient searching in the pre-search stage. It is possible to accelerate searching without omission because the criterial image preparation method provides a criterial image set for the various attacks involving changes to known pixel values. In addition, we propose an improved pre-search algorithm that includes the extraction of a GIF-compression-attacked image involving color number transformation. The performance of the improved pre-search method is evaluated through computer simulation.

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2013 9th International Conference on Information, Communications & Signal Processing

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