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随着数字化进程的不断推进,数字文件的加密和防伪是文件检验技术人员面临的关键问题。数字水印技术在保护版权以及防止伪造领域有着非常重要的作用,为文件的同版以及真伪鉴定或鉴别提供了可靠的技术支持。文章首先对数字水印技术相关概念、特征及其分类方式进行了简单概述,然后详细阐述了数字水印防伪技术在文件打印、复印、电子票据检验中的应用。
With the continuous advancement of digitalization, the encryption and security of digital files are the key issues for document inspection technicians. Digital watermarking technology plays a very important role in the field of copyright protection and forgery prevention. It provides reliable technical support for the same version of documents as well as authentication or authentication. First of all, this paper gives a brief overview of the concepts, features and classification methods of digital watermarking technology. Then it expounds the application of digital watermarking anti-counterfeiting technology in document printing, photocopying and electronic ticket inspection.