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Image Size-Preserving Visual Cryptography by Error Diffusion

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概要 We propose a visual cryptography method based on error diffusion for generating share images of the same size as a given secret image. Experimental results show that the proposed method conceals a sec...ret image in share images acceptably, and the quality of the reconstructed secret image given by stacking transparencies onto which the share images by the proposed method are printed is better than that of the conventional methods in terms of visual comparison and quantitative evaluation with the peak signal-to-noise ratio (PSNR).続きを見る

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登録日 2018.07.12
更新日 2020.02.10

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