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In this paper a multiple frequency domain steganography is proposed; it uses DWT (discrete wavelets transform) with DCT (discrete cosine transform) techniques, which are applied sequentially on the cover image. Embedding the secret message is done in the high frequency coefficients to provide a high imperceptibility; as it is the most important property of any steganography system. For secret message...
Exponential growth of the internet provided new ways of propagating and sharing digital video data. Thus ownership protection of the video data is critical and important in this era. Though there are many standards and technologies available to efficiently share the digital video, almost all of them lack ownership protection mechanism. This paper proposes new compressed domain secure digital watermarking...
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