A Watermarking Scheme to Extract the Seal Image without the Original Image 


Vol. 7,  No. 12, pp. 3885-3895, Dec.  2000
10.3745/KIPSTE.2000.7.12.3885


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  Abstract

The emergence of digital imaging and digital networks has made duplication of original artwork easier. In order to protect these creations, new methods for signing and copyrighting visual data are needed. In the last few years, a large number of schemes have been proposed for hiding copyright marks and other information in digital image, video, audio and other multimedia objects. In this paper, we propose a technique for embedding the watermark of visually recognizable patterns into the frequency domain of images. The embedded watermark can be retrieved from the decoded sequence without knowledge of the original. Because the source image is not required to extract the watermark, one cannot make the fake original that is invertible to watermarking scheme from the watermarked image. In order to recover the embedded signature data without knowledge of the original, a prediction of the original value of the pixel containing the information is needed. The prediction is based on a averaging of amplitude values in a neighborhood around the pixel itself. Additionally the proposed technique could survive several kinds of image processings including JPEG lossy compression.

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[IEEE Style]

J. C. Lee, W. G. Kim, W. D. Lee, "A Watermarking Scheme to Extract the Seal Image without the Original Image," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 12, pp. 3885-3895, 2000. DOI: 10.3745/KIPSTE.2000.7.12.3885.

[ACM Style]

Jong Chan Lee, Won Gyum Kim, and Won Don Lee. 2000. A Watermarking Scheme to Extract the Seal Image without the Original Image. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 12, (2000), 3885-3895. DOI: 10.3745/KIPSTE.2000.7.12.3885.

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