VQ-based digital image watermarking method
作者： Zhe-ming Lu , Jeng-shyang Pan , Sheng-he Sun
DOI: 10.1049/EL:20000876
关键词: Image (mathematics) 、 Codebook 、 Watermark 、 Artificial intelligence 、 Computer vision 、 Digital image watermarking 、 Computer science 、 Compression (functional analysis) 、 Digital watermarking
摘要: A vector-quantisation (VQ)-based watermarking method is presented which utilises the codebook expansion technique. This efficient, provides enhanced security and watermarked image robust against effects of VQ compression. Moreover, watermark extraction can be performed without original image. Experimental results are demonstrate effectiveness this algorithm.
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