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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/75958

    Title: Image Protection Based on Visual Cryptography and Statistical Property
    Authors: Hou, Young-chang;Huang, Pei-hsiu
    Contributors: 淡江大學資訊管理學系
    Keywords: Visual cryptography;law of large numbers;intellectual property protection;unexpanded share
    Date: 2011-06
    Issue Date: 2012-04-26 15:43:17 (UTC+8)
    Abstract: In this paper, a novel intellectual property protection scheme for digital images based on visual cryptography and statistical property is proposed. The result of comparing two pixels that are selected randomly from the host image determines the content of the master share. Then, the master share and the watermark are used to generate the ownership share according to the encryption rules of visual cryptography. Our method does not need to alter the original image and can identify the ownership without restoring to the original image. Besides, our method allows multiple watermarks to be registered for a single host image without causing any damage to other hidden watermarks. Moreover, it is also possible for our scheme to cast a larger watermark into a smaller host image. Finally, experimental results will show the robustness of our scheme against several common attacks.
    Relation: Statistical Signal Processing Workshop (SSP), 2011 IEEE, pp.481-484
    DOI: 10.1109/SSP.2011.5967737
    Appears in Collections:[Graduate Institute & Department of Information Management] Proceeding

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