Chaw Seng Woo

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Digital image watermarking is an important technique for the authentication of multimedia content and copyright protection. Conventional digital image watermarking techniques are often vulnerable to geometric distortions such as Rotation, Scaling, and Translation (RST). These distortions desynchronize the watermark information embedded in an image and thus(More)
We focus on text based watermarking techniques based on Pseudo-Random Number Generator(PRNG) for Cryptography application. We survey related workin digital watermarking, cryptography and design methodology, then develop our own text based watermarking method (embedded and extract/detection of watermarks). Our implementation result have shown that better(More)
We focus on text based watermarking techniques based on Pseudo-Random Number Generator (PRNG) for Cryptography application. We developed new systems based on PRNG combined with text based digital watermarking. Our proposed RSA Key Generator Testing system can generating new RSA key and then put public key in the text based watermarking pool. Our proposed(More)
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