Feature Based Affine Invariant Watermarking Robust to Geometric Distortions

碩士 === 朝陽科技大學 === 資訊管理系碩士班 === 95 === This work, proposes a robust digital watermarking scheme based on feature points as a defense against illegal user attacks, such as, rotating, scaling and translation. First of all, a Gaussian filter is first adopted to discovery the invariant feature points. Th...

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Bibliographic Details
Main Authors: Shin-Wei He, 何信緯
Other Authors: Kuo-Lung Hung
Format: Others
Language:zh-TW
Published: 2007
Online Access:http://ndltd.ncl.edu.tw/handle/76189382415501191004