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Image Watermark Embedded in the Fractional Fourier Transform Domain

內嵌於分數傅立葉轉換域之影像浮水印技術

摘要


本篇論文提出一種利用分數傅立葉轉化作影像著作權保護之方法,本方法所加入的浮水印係一種在空間領域與頻率領域的結合。而所加入的影像中浮水印之強健性與統計效能亦將在文章中做一討論。

並列摘要


This paper proposes a method based on the fractional Fourier transform for image copyright protection. This approach use combination of the spacial and frequency domains for the watermark embedding. The watermark robustness and statistical performance are discussed in this paper

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