G. B. Rhoads, "Indentification/authentication coding method and apparatus," World Intellectual Property Organization, vol. IPO WO 95/14289, 1995. Home/Search Document Not in Database Summary Related Articles Check |
This paper is cited in the following contexts:
A Review of Watermarking Principles and Practices - Miller, Cox, Linnartz, Kalker (1999) (2 citations) (Correct)
....of 8 Theta 8 blocks. In the latter two cases, the decoder requires access to the original image. It is interesting to note that a recently issued patent [36] appears to patent the general principle of extracting a watermark based on comparison of the watermarked and unwatermarked image. Rhoads [37] describes a method in which N pseudo random (PN) patterns, each pattern having the same dimensions as the image, are added to an image in order to encode an N bit word. The watermark is extracted by first subtracting a copy of the unwatermarked image and correlating with each of the N know PN ....
....the watermark in perceptually significant regions and consequently modify the approach so that pixel patches rather than individual pixels are modified, thereby shaping the watermark noise to significant regions of the human visual system. While the exposition is quite different from Rhoads [37], the two techniques are very similar and it can be shown that the Patchwork decoder is effectively computing the correlation between the image and a binary noise pattern, as covered in our example detector in Section 18.4. Paatelma and Borland [39] propose a procedure in which commonly occurring ....
G. B. Rhoads, "Indentification/authentication coding method and apparatus," World Intellectual Property Organization, vol. IPO WO 95/14289, 1995.
A Review of Watermarking Principles and Practices - Miller, Cox, Linnartz, al. (1999) (2 citations) (Correct)
....of 8 8 blocks. In the latter two cases, the decoder requires access to the original image. It is interesting to note that a recently issued patent [38] appears to patent the general principle of extracting a watermark based on comparison of the watermarked and unwatermarked image. Rhoads [39] describes a method in which N pseudo random (PN) patterns, each pattern having the same dimensions as the image, are added to an image in order to encode an N bit word. The watermark is extracted by first subtracting a copy of the unwatermarked image and correlating with each of the N know PN ....
....placing the watermark in perceptually significant regions and consequently modify the approach so that pixel patches rather than individual pixels are modified, thereby shaping the watermark noise to significant regions of the human visual system. While the exposition is quite di#erent from Rhoads [39], the two techniques are very similar and it can be shown that the Patchwork decoder is e#ectively computing the correlation between the image and a binary noise pattern, as covered in our example detector in Section 18.4. Paatelma and Borland [41] propose a procedure in which commonly occurring ....
G. B. Rhoads, "Indentification/authentication coding method and apparatus," World Intellectual Property Organization, vol. IPO WO 95/14289, 1995.
Applications Of Data Hiding In Digital Images - Fridrich (1998) (5 citations) (Correct)
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G. B. Rhoads, "Indentification/authentication coding method and apparatus", World Intellectual Property Organization, WIPO WO 95/14289, 1995.
MPEG PTY-Marks: Cheap Detection of embedded Copyright Data.. - Linnartz, Talstra (Correct)
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G. B. Rhoads, "Indentification/authentication coding method and apparatus.", World Intellectual Property Organization, WIPO WO 95/14289, 1995.
A Review of Watermarking and the Importance of Perceptual Modeling - Cox, Miller (1997) (44 citations) (Correct)
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G. B. Rhoads, "Indentification/authentication coding method and apparatus." World Intellectual Property Organization, WIPO WO 95/14289, 1995.
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