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科技與工程學院
圖文傳播學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73898
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search.filters.author.Chiu, Yu-Lan
1
search.filters.author.邱鈺嵐
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search.filters.subject.半色調
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search.filters.subject.digital watermark
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search.filters.subject.halftoning
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search.filters.subject.lenticular lens
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search.filters.subject.line screen
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2015
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利用不同間距線網嵌入浮水印之研究
(
2015
)
邱鈺嵐
;
Chiu, Yu-Lan
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現今電腦科技的蓬勃發展,使影像複製設備越來越精密,但也導致犯罪者利用影像複製快速之便利,引發出智慧財產權受到威脅等問題。所以本研究之目的為利用不同間距線網嵌入浮水印以保護版權,達到防偽效果。本研究以數位半色調概念建立不同間距線網藏入資訊,採用數位過網演算法形成線網機制,達到數位浮水印效果,調整不同間距,從1~6-pixel間不同組合線網設計測試其加密隱藏效果,另以Human visual system(HVS)進行評估,並透過柱狀透鏡、複印及手機等多重驗證方式進行解密,並加值應用在複習參考書上。
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