Hiding digital watermarks using multiresolution wavelet transform
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Cites background from "Hiding digital watermarks using mul..."
...The compromise adopted by many DWT-based watermarking algorithm, is to embed the watermark in the middle frequency ub-bands LHx and HLx where acceptable performance of imperceptibility and robustness could be achieved([14,15,16,17,18,19,20])....
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Cites background or methods from "Hiding digital watermarks using mul..."
...In the previous research [14], [18], [21]–[26], [30], [36], [37], the common problem is the use of blind detection to find the permutations in the order of significant coefficients to ensure the permutations which are the same as in the original order of the significant coefficients....
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...[30] proposed the watermarking method based on the qualified significant wavelet tree (QSWT)....
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169 citations
Cites background from "Hiding digital watermarks using mul..."
...[23] proposed a nonblind watermarking scheme based on the two-band wavelet transform and the qualified significant wavelet tree (QSWT), which is robust to JPEG compression, image cropping, median filter etc....
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References
6,194 citations
"Hiding digital watermarks using mul..." refers background or methods in this paper
...[7] used the spread spectrum communication for multimedia watermarking....
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...In most previously proposed wavelet-based watermarking techniques [7], [10]–[12], [17]–[21], the watermark is a random sequence of bits, and can only be detected by employing detection theory....
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...As mentioned in Section I, in most previous wavelet-based approaches, for example, [7], [10]–[12], and [17]–[21], the watermark is a random sequence of bits, and can only be detected...
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"Hiding digital watermarks using mul..." refers background in this paper
...A variety of improvements were proposed against image compression and filtering [2]–[6]....
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