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請使用永久網址來引用或連結此文件:
http://ir.ncue.edu.tw/ir/handle/987654321/9983
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題名: | A Color Image Copyright Protection Scheme Based on Visual Cryptography and Discrete Cosine Transform |
作者: | Chang, Chin-Chen;Hsiao, Ju-Yuan;Yeh, Jyh-Chiang |
貢獻者: | 資訊工程系 |
關鍵詞: | Discrete cosine transform;Intellectual property right;Visual cryptography |
日期: | 2002
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上傳時間: | 2012-05-02T09:37:48Z
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出版者: | Maney Publishing |
摘要: | In this paper, a copyright protection scheme based on visual cryptography and discrete cosine transform for colour images is proposed. Note that the watermark emphasized here is a colour watermark. Instead of hiding a watermark in a colour image for identifying the ownership of the image, all that is required is to construct an ownership share according to a master share created from the colour image by applying discrete cosine transform plus a watermark used for copyright certification. By stacking the master share and the ownership share together, the watermark for ownership identification can be revealed through the utilization of visual cryptography plus a little additional computation. Additionally, the present scheme is also extremely suitable for multiple watermarking. The security of this scheme can be guaranteed via a pseudo random mechanism and the feature of visual cryptography. With substantial experimental results, the robustness of this scheme can be demonstrated against various image processing attacks. |
關聯: | The Imaging Science Journal, 50(3): 133-140 |
顯示於類別: | [資訊工程學系] 期刊論文
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文件中的檔案:
檔案 |
大小 | 格式 | 瀏覽次數 |
2050400410007.pdf | 13Kb | Adobe PDF | 897 | 檢視/開啟 |
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