M. Barni, F. Bartolini, V. Cappelini, and A. Piva, "A DCT-domain system for robust image watermarking," Signal Processing, vol. 66, no. 3, pp. 357--372, May 1998. Home/Search Document Not in Database Summary Related Articles Check |
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Hiding Fingerprint Minutiae in Images - Jain, Uludag (2002) (1 citation) (Correct)
....two groups according to the domain of application of watermarking. In spatial domain methods (e.g. 6] the pixel values in the image channel(s) are changed. In spectral transform domain methods, watermark signal is added to the host image in a transform domain such as the full frame DCT domain [1], Fourier Mellin domain [11] etc. There have been only a few published papers on watermarking of fingerprint images. Ratha et al. 10] proposed a data hiding method, which is applicable to fingerprint images compressed with WSQ wavelet based scheme. The discrete wavelet transform coefficients ....
M. Barni, F. Bartolini, V. Cappellini and A. Piva, "A DCT domain system for robust image watermarking", Signal Processing, vol. 66, no. 3, May 1998, pp. 357-372.
Information Hiding - A Survey - Petitcolas, Anderson, Kuhn (1999) (77 citations) (Correct)
....question. The main uses of private and semi private marking seem to be evidence in court to prove ownership and copy control in applications such as DVD where the reader needs to know whether it is allowed to play the content or not. Many of the currently proposed schemes fall in this category [18], 19] 20] 21] 22] 23] 24] Public marking (also referred to as blind marking) remains the most challenging problem since it requires neither the secret original I nor the embedded mark M.In deed such systems really extract n bits of information (the mark) from the marked image: I ....
....in the current palette [74] Another example is MP3Stego [75] which hides information in MPEG Audio Layer III bitstreams [51] during the compression process. However, most schemes operate directly on the components of some transform of the cover object like discrete cosine transform [16] 17] [18], 76] 77] 78] wavelet transforms [17] 79] and the discrete Fourier transform [47] 80] A novel transform coding technique is echo hiding [81] which relies on the fact that we cannot perceive short echoes (of the order of a millisecond) It embeds data into a cover audio signal by ....
M. Barni, F. Bartolini, V. Cappellini, and A. Piva, "A D.C.T.- domain system for robust image watermarking." Signal Processing , vol. 66, no. 3, pp. 357--372, May 1998, ISSN 0165-1684, European Association for Signal Processing (EURASIP).
Attack Modelling: Towards a Second Generation.. - Voloshynovskiy.. (2001) (1 citation) (Correct)
....The knowledge of the embedding rule is not required, but the additional gain in the success of the attack can be obtained, when the embedding rule is known. We consider some generalized embedding rule (3) In practice, there are three mostly used embedding schemes: additive linear, multiplicative [5,6,59] and quantization index modulation (QIM) 9] More generally, all of them could be considered from the point of view of some generalized linear additive scheme: y = x H (x; wjM) 20) where H( is some possibly nonlinear transform. According to the final purpose of the applied attack, the ....
M. Barni, F. Bartolini, V. Cappellini, and A. Piva. A DCT-domain system for robust image watermarking. Signal Processing, 66:357--372, 1998.
Multiple Signature Embedding using Consecutive Pixel.. - Armeni.. (1999) (Correct)
....consumer. A digital watermark, which plays the role of that code, should not modify the content of the digital material or slightly modify it in an invisible manner. Moreover, it should be readily extractable by legitimate users and impossible for unauthorized users to remove or destroy it [208]. Digital watermarks can be applied at data, images, video and sound. Image watermarking techniques can be divided into visible and invisible. Usually visible watermarks [211, 206] are fragile and seem possible to be destroyed, as soon as the objects are modified too much. Invisible (or ....
....(or transparent) watermarks have wider applications [205] without raising suspicious that the particular image has been watermarked. The invisible watermarking techniques are divided into three main groups: those specialized in the spatial domain [200, 207] those specified in frequency domain [208, 212], and those that combine the previous ones, named hybrid [203] The first methods embed the digital watermark directly on the luminance, the second ones operate in a transformed domain, such as DCT, DFT (magnitude phase) wavelets etc. and the later are trying to exploit the benefits from the ....
M. Barni, F. Bartolini, V. Cappellini, A. Piva, "A DCT-Domain System for Robust Image Watermarking", Signal Processing, Vol. 66, No. 3, pp. 357-372, 1998.
Information Hiding - A Survey - Petitcolas, Anderson, Kuhn (1999) (77 citations) (Correct)
....same question. The main uses of private and semiprivate marking seem to be evidence in court to prove ownership and copy control in applications such as DVD where the reader needs to know whether it is allowed to play the content or not. Many of the currently proposed schemes fall in this category [17] [23] Public marking (also referred to as blind marking) remains the most challenging problem since it requires neither the secret original nor the embedded mark Indeed, such systems really extract bits of information (the mark) from the marked image: 24] 28] Public marks have much more ....
....in the current palette [75] Another example is MP3Stego [76] which hides information in MPEG Audio Layer III bit streams [50] during the compression process. However, most schemes operate directly on the components of some transform of the cover object like discrete cosine transform [15] [17], 77] 79] wavelet transforms [16] 80] and the discrete Fourier transform [46] 81] A novel transform coding technique is echo hiding [82] which relies on the fact that we cannot perceive short echoes (of the order of a millisecond) It embeds data into a cover audio signal by ....
M. Barni, F. Bartolini, V. Cappellini, and A. Piva, "A DCTdomain system for robust image watermarking," Signal Processing, vol. 66, no. 3, pp. 357--372, May 1998.
Statistical Analysis of a Watermarking System based on.. - Nikolaidis (2000) (Correct)
....respect to the embedding and detection domain, namely, the spatial domain [2] 6] 7] and the transformdomain methods. In the latter case, embedding is performed in a number of transform domains, attempting to exploit their properties mainly for watermark imperceptibility and robustness: DCT [9], 12] 15] 17] DFT [18] 19] Fourier Mellin [20] 21] DWT [12] 16] 22] 25] or fractal based coding domain [26] 27] Overview papers on existing multimedia watermarking methods may be found in [28] 29] Many approaches adopt principles from spread spectrum communications in their ....
M. Barni, F. Bartolini, V. Cappelini, A. Piva, A DCT-domain system for robust image watermarking, Elsevier Signal Processing 66 (3) (1998) 357-372.
Digital Image Watermarking: an Overview - Nikolaidis, Pitas (1999) (3 citations) (Correct)
....threshold for each coefficient is computed for each block. This perceptual mask is used to scale the DCT transform of a pseudo noise watermark sequence. After using the inverse DCT the authors use a spatial masking model similar to the one used in [17] to verify that the watermark is invisible. In [18] the authors embed a watermark signal in the DCT domain by modifying a number of predefined DCT coefficients. Then they use a weighting factor fi ij to weight the watermark signal in the spatial domain according to the HVS characteristics. The following relation is used: y 00 ij = y ij (1 ....
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Mauro Barni, Franco Bartolini, Vito Cappellini, and Alessandro Piva. A dct-domain system for robust image watermarking. Signal Processing, 66(3):357-372, May 1998. European Association for Signal Processing (EURASIP) ISSN 0165-1684.
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