A Robust Image Watermarking Scheme in Multiple Frequency Domains
碩士 === 國立中興大學 === 資訊科學研究所 === 92 === In this thesis, a new robust blind watermarking scheme based on double frequency domains, DWT and DFT, is proposed. In order to protect the rights of legal buyer and seller, we encode the watermark into shares in Visual Cryptography. Then shares are embedded in D...
Main Authors: | Chia-Ming Chang, 張家銘 |
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Other Authors: | Gwoboa Horng |
Format: | Others |
Language: | zh-TW |
Published: |
2004
|
Online Access: | http://ndltd.ncl.edu.tw/handle/46876872752427634421 |
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