政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/113740
English  |  正體中文  |  简体中文  |  Post-Print筆數 : 27 |  全文笔数/总笔数 : 113318/144297 (79%)
造访人次 : 51096837      在线人数 : 958
RC Version 6.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 查询小技巧：
  • 您可在西文检索词汇前后加上"双引号"，以获取较精准的检索结果
  • 若欲以作者姓名搜寻，建议至进阶搜寻限定作者字段，可获得较完整数据
    •  进阶搜寻


    请使用永久网址来引用或连结此文件: https://nccur.lib.nccu.edu.tw/handle/140.119/113740


    题名: 新的高動態範圍影像資訊隱藏演算法
    A Novel Data Hiding Algorithm for High Dynamic Range Image
    作者: 王宗銘
    鄭友銘
    曾彥博
    甘惠文
    黃永煌
    呂培瑛
    謝育書
    关键词: ;階層式存取控制;密碼學
    high dynamic range image data hiding block area edge area
    日期: 2005
    上传时间: 2017-10-17 17:06:11 (UTC+8)
    摘要: 近年來數位影像上的重要發展在於如何利用數位化的資料真實呈現自然世界的真實色彩，高動態範圍影像即為此一研究中重要的趨勢。資訊隱藏有別於密碼學中對資訊內容的保護，其特性為隱藏資訊本身的存在，使人難以察覺該媒體之中藏有資訊，對於藉由網路傳輸的資訊形成了一種保護色。就我們所知，將資訊隱藏技術應用在高動態範圍影像上，至今仍無相關的論著。本文利用高動態範圍影像與生俱來的差異性對影像進行分區，劃分為區塊與邊界兩個部分，再透過我們提出的新的高動態範圍影像資訊隱藏演算法，將資訊嵌入，產生不易為外人所察覺的視覺效果，達到高資訊嵌入量及低失真之目的。實驗結果顯示：我們的技術首開先例，成功地在高動態範圍影像上提出資訊隱藏演算法，達到肉眼不易察覺與原始影像差異之效果。
    In recent years, an important development on digital images concentrated on how to present real world color by the information of digitization. High dynamic range (HDR) image is an important trend in this studying. Data hiding, whose characteristic is to hide the existence of information itself, is different from the encryption in cryptography. Data hiding makes people hard to perceive there’s something hidden in the information, and produce a kind of protective coloration with information that we transmit through the Internet. To the best of our knowledge, no literatures have ever addressed how to employ a HDR image in the technology of data hiding. In this paper, we utilize the HDR images innate difference between pixels to classify all pixels into two parts of block area and edge area. Then, according to the new algorithm that we proposed, we can embed information in HDR images, which are hard to perceive. We provide a larger embedding capacity and to minimize the distortion of the stego image. Experimental results demonstrate that our algorithm is feasible to produce a data hiding HDR image with difficult to perceive differences between original image and it.
    關聯: TANET 2005 台灣網際網路研討會論文集
    資訊安全技術
    数据类型: conference
    显示于类别:[TANET 台灣網際網路研討會] 會議論文

    文件中的档案:

    档案 描述 大小格式浏览次数
    356.pdf836KbAdobe PDF2276检视/开启


    在政大典藏中所有的数据项都受到原著作权保护.


    社群 sharing

    著作權政策宣告 Copyright Announcement
    1.本網站之數位內容為國立政治大學所收錄之機構典藏，無償提供學術研究與公眾教育等公益性使用，惟仍請適度，合理使用本網站之內容，以尊重著作權人之權益。商業上之利用，則請先取得著作權人之授權。
    The digital content of this website is part of National Chengchi University Institutional Repository. It provides free access to academic research and public education for non-commercial use. Please utilize it in a proper and reasonable manner and respect the rights of copyright owners. For commercial use, please obtain authorization from the copyright owner in advance.

    2.本網站之製作，已盡力防止侵害著作權人之權益，如仍發現本網站之數位內容有侵害著作權人權益情事者，請權利人通知本網站維護人員(nccur@nccu.edu.tw)，維護人員將立即採取移除該數位著作等補救措施。
    NCCU Institutional Repository is made to protect the interests of copyright owners. If you believe that any material on the website infringes copyright, please contact our staff(nccur@nccu.edu.tw). We will remove the work from the repository and investigate your claim.
    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回馈