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抗打印/扫描数字水印技术的研究进展 被引量:3

Research Progress of Print-Scan Resistant Digital Watermarking Technology
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摘要 国外对抗PS数字水印技术的研究主要集中在变换域水印算法上,主要有DCT域、DFT域、DWT域和其他变换域等;国内对抗PS数字水印技术的研究主要集中在空间域和变换域2种算法上。可从数字水印嵌入范围、数字水印检测系统应用、数字水印在企业中的应用3个方面,扩展抗PS数字水印技术的应用领域。目前,抗PS数字水印技术还不成熟,可从嵌入强度、嵌入信息容量、嵌入实用性等方向,进一步完善其研究与应用。 In foreign nations, the researches on the print-scan resistant digital watermarking technology mainly concentrate in the transform domain, which includes DCT domain, DFF domain, DWT domain and other transform domains, while in China the researches chiefly focus on the spatial domain and transform domain. The application fields of the print- scan resistant digital watermarking technology are discussed in three aspects, i.e. the embedding scope of digital watermark, watermarking applications in detection system, and digital watermarking applications in enterprises. At present, the watermarking technology is still not mature. Its researches and applications can be further improved in embedding strength, embedded information caoacitv, embedded nractical annlicabilitv and the other directions respectively.
出处 《包装学报》 2012年第3期49-53,共5页 Packaging Journal
基金 国家自然科学基金资助项目(61170101)
关键词 抗打印/扫描 数字水印 变换域 空间域 水印嵌入 print-scan resistant digital watermarking transform domain spatial domain watermark embedding
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