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Project - Optimal Watermark Detection

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Copyright
protection has gained its attention in the digital age. Watermark or data
hiding techniques are proposed to solve this problem. In addition to copyright
protection, watermark has a broad range of usages in media authentication,
annotation of medical images, etc. Can we build a framework for watermark detection?
With such a framework, we want to build an optimal watermark detector.
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General Framework for Watermark Detection: ML
detection:

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With better modeling of the host
signals (images), a better detection result can be obtained (Figure 1).
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With consideration of the use of
human visual system in watermarking, we can design a better watermark
detector (Figure 2).
 |
 |
Pixel domain |
DCT domain |
Figure 1. Pixel and DCT domain host
signal modeling.

Figure 2. Consideration of HVS in
watermark detection.
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-
T.
P.-C. Chen and T. Chen, "A
Framework for Optimal Public Watermark Detection", Carnegie Mellon
University Technical Report: AMP01-03.
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T. P.-C.
Chen and T. Chen, "A
Framework for Optimal Blind Watermark Detection". ACM Multimedia
2001 Workshop on Multimedia and Security: New Challenges,
Ottawa, Ontario, Canada, Oct. 1-5, 2001.
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T.
P.-C. Chen and T. Chen, "Progressive
Image Watermarking". IEEE Intl. Conf. on Multimedia and Expo.
(ICME'00), New York, July 2000.
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Any suggestions or comments are welcome. Please send them to
Trista Pei-chun Chen.
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