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    ASIA unversity > 資訊學院 > 資訊工程學系 > 會議論文 >  Item 310904400/65321


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/65321


    Title: A Novel Watermark Scheme forCalligraphy Images
    Authors: Wang, Zhi-Hui;Chang, Chin-Chen;Huang, Ying-Hsuan;Yang, Hai-Rui;Horng, Gwoboa
    Contributors: 資訊工程學系
    Keywords: vector quantization, watermark embed-ding,calligraphy images,image processing attacks
    Date: 2013-12
    Issue Date: 2013-12-18 10:43:18 (UTC+8)
    Abstract: In this work,a vector quantization-based(VQ-based) watermark embedding method for binary calligraphy images is proposed in order to achieve copy-right protection.Our method does notallow watermark bitsto be embedded in the smooth regions of the image, so the visual effect of the imageis maintained. Rather, com-plex regions are used to embed watermark bits.In the watermark embedding phase, the complex regions are modified according to similar codewordsand the embed-ded watermark bits. The modification rule indicatedthat our method did not distort the images significantly. Moreover, the experimental results indicated that our method canresistsomeimage processing attacks, e.g.,salt and pepper noise, image cropping,and image blurring.
    Relation: 2013全國計算機會議
    Appears in Collections:[資訊工程學系] 會議論文

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