Application of dot shifting watermark and data hiding to personalized stamps
碩士 === 國立臺灣師範大學 === 圖文傳播學系 === 97 === The double encryption based on digital halftoning and dot shifting is stud-ied in this research. This double encryption technology can be applied to the design of personalized stamps with combined features of digital watermark and data hiding. The hidden waterma...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2009
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| Online Access: | http://ndltd.ncl.edu.tw/handle/e55xx8 |