English  |  正體中文  |  简体中文  |  Post-Print筆數 : 27 |  Items with full text/Total items : 109951/140892 (78%)
Visitors : 46192289      Online Users : 1277
RC Version 6.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/113736


    Title: 植基於小波轉換及向量量化編碼之影像鑑別技術
    Authors: 劉江龍
    婁德權
    黃立中
    林志麟
    Keywords: 群播傳輸;使用者資料報協定
    Date: 2005
    Issue Date: 2017-10-17 17:05:13 (UTC+8)
    Abstract: 本文提出結合離散小波轉換(Discrete Wavelet Transformation;DWT)及向量量化編碼(Vector Quantization;VQ)的影像鑑別技術。本方法首先利用離散小波轉換將影像轉換至頻率域,並萃取出鑑別及還原用的特徵值,再利用向量量化編碼壓縮特徵值,以加速後續簽章加密的速度。接收者則利用簽章內的特徵值判斷所收到的影像是否遭到竄改及復原被竄改的影像。實驗結果顯示本文所提出的方法能有效的鑑別影像是否遭到竄改,並對被竄改的區域做適度的復原。
    Relation: TANET 2005 台灣網際網路研討會論文集
    資訊安全技術
    Data Type: conference
    Appears in Collections:[TANET 台灣網際網路研討會] 會議論文

    Files in This Item:

    File Description SizeFormat
    352.pdf684KbAdobe PDF2147View/Open


    All items in 政大典藏 are protected by copyright, with all rights reserved.


    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 ©   - Feedback