Information Hiding in a Halftone Image by Dot Shifting at Multiple Orientations
碩士 === 國立臺灣師範大學 === 圖文傳播學系 === 95 === As the rapid developments of information technology, it is feasible to obtain the printed documents with high quality. In the past, the digital watermarking mechanism still had some restrictions to printed image, and its protection to printed documents was not e...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2007
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| Online Access: | http://ndltd.ncl.edu.tw/handle/89348527115537767584 |