Dot Matrix Hologram with Designed Patterns and the Application to Brand Protection
碩士 === 國立臺灣師範大學 === 圖文傳播學系 === 102 === With the rapid advance of digital technology, counterfeiters can easier fabricate unauthorized copy of security document. In view of this situation, more and more countries have added OVD (Optically Variable Device), which can prevent from copying and scanning,...
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| Format: | Others |
| Language: | zh-TW |
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2014
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| Online Access: | http://ndltd.ncl.edu.tw/handle/65236470490469384179 |