Using watermark of hybrid halftone dots to change the document’s original meaning after duplication
碩士 === 國立臺灣師範大學 === 圖文傳播學系 === 100 === The objective of this research is to design an anti-copy method by watermark with hybrid halftone dots of amplitude modulation (AM) and frequency modulation (FM). This research gives the digital watermark the other alternative to declare copyright. The watermar...
| Main Authors: | , |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2011
|
| Online Access: | http://ndltd.ncl.edu.tw/handle/76894745455400435830 |