Wavelet-based copyright-protection scheme for digital images based on local features
作者： Tzu-Chao Lin , Chao-Ming Lin
DOI: 10.1016/J.INS.2009.05.022
关键词:
摘要: A lossless, robust copyright-protection scheme for digital images based on cryptography and watermarking is proposed. In the proposed wavelet-based scheme, logo image not embedded into protected image. The secret key generated during embedding process using local features extracted from perceptually prominent components of host after wavelet transform. Digital signature time-stamping technologies are then used further protection. With key, extraction can be completed without Experimental results show that effective against common processing geometric distortions.
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