Image Authentication with Dual Watermarks and Block Wavelet Transform for IP Networks
碩士 === 國立清華大學 === 資訊工程學系 === 89 === Digital watermarks have been proposed recently as a means for copyright protection of multimedia data. In this paper we emphasize that security of an image. A timestamp can record the original message’s digest and authentication time to prove...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
2001
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| Online Access: | http://ndltd.ncl.edu.tw/handle/61112237079322381932 |