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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.Chou Cheng-Ming
1
search.filters.author.周振民
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search.filters.subject.數位浮水印
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search.filters.subject.Digital Halftoning
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search.filters.subject.Dot Matrix Hologram
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search.filters.subject.Error Diffusion
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search.filters.subject.three-dimension display
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search.filters.subject.Watermarking
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2007
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Author: search.filters.author.Chou Cheng-Ming
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全像立體影像結合數位浮水印之防偽設計
(
2007
)
周振民
;
Chou Cheng-Ming
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本研究主要目的為提出一個適合點矩陣全像片的浮水印嵌入方法,應用於表現立體的全像影像中,藉由影像在誤差擴散的演算過程中,以邏輯運算的方式將數位浮水印整合於半色調影像中,利用擬亂數所形成之兩階圖形與影像進行相關運算,進行浮水印的嵌入動作。經由全像製版機實際輸出之全像片,除了能表現立體效果外,亦具有防偽的功能,而所嵌入之浮水印在經過雜訊、裁切及抽取行列之攻擊後,仍能將部份浮水印還原。
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