Digital Image Watermarking Using Sine Transform Technique
In this chapter, digital image watermarking using sine transformation has been introduced in the frequency domain. In the proposed technique, the secret image is first compressed using a sine transformation and then embedded into the host image. The resultant images obtained from the proposed algorithm are subjected to various security attacks and the results are compared with other existing algorithms. The results obtained are better compared to the existing techniques.
KeywordsDigital watermarking Sine transformation Frequency domain Compression Security attacks
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