منابع مشابه
Video watermarking using wavelet transform and tensor algebra
We present a robust, hybrid non-blind MPEG video watermarking technique based on a high-order tensor singular value decomposition and the discrete wavelet transform (DWT). The core idea behind our proposed technique is to use the scene change analysis to embed the watermark repeatedly into the singular values of high-order tensors computed form the DWT coefficients of selected frames of each sc...
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This paper addresses copyright protection as a major security demand in digital marketplaces. Two watermarking techniques are proposed and compared for compressed and uncompressed video with the intention to show the advantages and the possible weaknesses in the schemes working in the frequency domain and in the spatial domain. In this paper a robust video watermarking method is presented. This...
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In rapid growth of network distributions of images and video, there is an imperative need for copyright protection, besides pirating. Different digital image and video watermarking schemes have been proposed to deal with this matter of ownership identification. The video watermarking schemes using discrete wavelet are transformed to keep the copyright of digital videos. The input video sequence...
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Video watermarking is relatively a new technology that has been proposed to solve the problem of illegal manipulation and distribution of digital video. It is the process of embedding copyright information in video bit streams. In this paper, we propose two effective, robust and imperceptible video watermarking algorithms. The two algorithms are based on the algebraic transform of Singular Valu...
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The present paper is intended to present a robust multiplicative video watermarking scheme. In this regard, the video signal is segmented into 3-D blocks like cubes, and then, the 3-D wavelet transform is applied to each block. The low frequency components of the wavelet coefficients are then used for data embedding to make the process robust against both malicious and unintentional attacks. Th...
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ژورنال
عنوان ژورنال: International Journal of Current Research and Academic Review
سال: 2016
ISSN: 2347-3215
DOI: 10.20546/ijcrar.2016.403.001