A New SVD Based Watermarking Framework in Fractional Fourier Domain
Citations
67 citations
26 citations
Cites methods from "A New SVD Based Watermarking Framew..."
...The forward and inverse two-dimensional discrete fractional Fourier transform (2D-DFRFT) of an image is computed as [14]:...
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22 citations
4 citations
Cites methods from "A New SVD Based Watermarking Framew..."
...Two Dimensional Discrete Fractional Fourier Transform 2DFRFT: The forward and inverse two-dimensional discrete fractional Fourier transform (2D-DFRFT) of the image signal are computed as [13]:...
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...A watermarking scheme based on the FRFT and Singular Value Decomposition (SVD) was presented in [13]....
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References
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2,849 citations
"A New SVD Based Watermarking Framew..." refers background in this paper
...To ensure the rightful ownership and the authenticity of the original media, digital watermarking [1] is identified as a suitable solution....
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1,913 citations
Additional excerpts
...Few years ago, another transform called Singular Value Decomposition (SVD) [8,9] was explored for watermarking....
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...Ganic presented hybrid-watermarking scheme based on DWT and SVD....
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...After decomposing the cover image into four bands, SVD is applied on each band and modify the singular values of each band with the singular values of the visual watermark....
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...SVD based scheme withstands a variety attacks but it is not resistant to geometric attacks like rotation, cropping etc....
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...In this paper, a new robust watermarking scheme is proposed which is based on FrFT and SVD. Unlike existing SVD based watermarking scheme, proposed scheme embeds watermark in the singular values of the key matrix which is obtained from non-overlapping blocks segmentation, FrFT and SVD....
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1,523 citations
"A New SVD Based Watermarking Framew..." refers background in this paper
...1 Fractional Fourier Transform (FrFT) The concept of Fractional Fourier transform (FrFT) is introduced by Victor Namias in 1980 [15]....
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978 citations
"A New SVD Based Watermarking Framew..." refers background in this paper
...Few years ago, another transform called Singular Value Decomposition (SVD) [8,9] was explored for watermarking....
[...]
...Ganic presented hybrid-watermarking scheme based on DWT and SVD....
[...]
...After decomposing the cover image into four bands, SVD is applied on each band and modify the singular values of each band with the singular values of the visual watermark....
[...]
...SVD based scheme withstands a variety attacks but it is not resistant to geometric attacks like rotation, cropping etc....
[...]
...In this paper, a new robust watermarking scheme is proposed which is based on FrFT and SVD. Unlike existing SVD based watermarking scheme, proposed scheme embeds watermark in the singular values of the key matrix which is obtained from non-overlapping blocks segmentation, FrFT and SVD....
[...]
441 citations
"A New SVD Based Watermarking Framew..." refers background in this paper
...Embedding must be done either in spatial domain [2,7] or in frequency domain [4,5,6,7]....
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