3898 search results - page 185 / 780 » On the Bit Extraction Problem |
116
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JMM2
2008
15 years 2 months ago
2008
This paper presents a robust image watermarking scheme for multimedia copyright protection. In this work, host image is partitioned into four sub images. Watermark image such as `l...
123
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TWC
2008
15 years 2 months ago
2008
Backscatter radio is proposed for sensor networks. In that way, the transmitter for each sensor is simplified to a transistor connected to an antenna and therefore, the cost for ea...
123
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ICMCS
2009
IEEE
15 years 20 days ago
2009
IEEE
In this paper, we study the collision property of one of the robust hash functions proposed in [1]. This method was originally proposed for robust hash generation from blocks of i...
132
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CORR
2011
Springer
14 years 10 months ago
2011
Springer
This paper proposes a strict authentication watermarking for medical images. In this scheme, we define region of interest (ROI) by taking the smallest rectangle around an image. T...
150
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INFOCOM
2011
IEEE
14 years 6 months ago
2011
IEEE
—Recently, there has been great interest in physical layer security techniques that exploit the randomness of wireless channels for securely extracting cryptographic keys. Severa...