研究生: |
廖嬿貽 Liao, Yen-I |
---|---|
論文名稱: |
柱狀透鏡變圖技術與紅外線浮水印整合應用之研究 Integration of Lenticular Displays with Image Switching and Infrared Watermark |
指導教授: |
王希俊
Wang, Hsi-Chun |
學位類別: |
碩士 Master |
系所名稱: |
圖文傳播學系 Department of Graphic Arts and Communications |
論文出版年: | 2014 |
畢業學年度: | 102 |
語文別: | 中文 |
論文頁數: | 74 |
中文關鍵詞: | 柱狀透鏡 、數位半色調 、紅外線浮水印 、二維條碼 |
英文關鍵詞: | Lenticular lens, Digital halftoning, Infrared watermark, 2D barcode |
論文種類: | 學術論文 |
相關次數: | 點閱:207 下載:4 |
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隨著電腦科技的發展,人類對於圖文整合傳播方式的需求也逐步提升,進而促成了動態圖片的出現,而動態圖片可使圖像在同一平面上產生連續的變化,吸引人們的目光,近年來備受市場青睞。本研究運用數位過網技術結合柱狀透鏡(lenticular lens)變圖及紅外線浮水印之隱藏條碼,增加產品獨特性及防偽功能。首先以數位半色調技術設計多張屬於國人共同記憶之經典影像,以此為素材,透過影像處理合成,另添加紅外線浮水印之二維條碼,利用碳黑吸收紅外線,而青、洋紅、黃色等色料在紅外線下則幾乎呈現透明的特性,輸出具有隱藏資訊的浮水印二維條碼,將其輸出為灰階圖像並隱藏於特定彩色圖文之中,使人眼無法辨識。而後覆蓋柱狀透鏡聚焦,使其形成動態變圖效果,最後透過紅外線攝影裝置進行偵測,使隱藏的紅外線浮水印顯現。本實驗結果顯示,在視覺主觀觀測下,覆蓋柱狀透鏡組件聚焦呈現變圖的過程,可達到互動效果,並且無法察覺隱藏資訊;同時在紅外線偵測下,原有圖文消失而利用碳黑色墨所組成的二維條碼浮現,此二維條碼可置入額外隱藏之資訊內容與達到多重防偽之功效,並提高產品的獨特性。
With rapid progress of imaging and display devices, the requirements of integration of the multimedia elements, such as text, image, audio, animation is gradually addressed by academic and industry. Displays for still images and animated graphics are very promising. Lenticular image display products have experienced a growing interest in the last decade due to the very wide range of applications. The objective of this paper is to integrate lenticular lens with switching image and embedding the infrared watermark to provide the possibility of value-added and anti-counterfeiting features. First, the digital halftoning technique has been used to make multi-layered graphics and the infrared watermark. The infrared watermark is composed of cyan, magenta, yellow, and black halftone dots. The carbon material in black ink absorbs the infrared light and the watermark could be displayed under infrared detection. By using the lenticular lens, different graphics can be observed from different viewing angles. The results show the animation effect can be displayed by lenticular lens, and the hidden 2D barcode watermark can be observed under infrared detection.
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網路資料
Hongkong post stamps香港郵票策劃及拓展處。香港巴士郵票產品【網路討論群組】資料取自http://www.hongkongpoststamps.hk/chi/stamps/latest_stamp_issues/2013/20130924a/index.htm
Royal mail group. (2011, January 11). Royal mail stamp issues in 2011 [Web blog message]. Retrieved from http://www.royalmailgroup.com/cy/node/2421
U.S. currency. (2013, October 8). The redesigned $100 note [Web blog message]. Retrieved from http://www.newmoney.gov/